int nfs4_op_remove(struct nfs_argop4 *op, compound_data_t * data, struct nfs_resop4 *resp)
{
cache_entry_t *parent_entry = NULL;
fsal_attrib_list_t attr_parent;
fsal_name_t name;
cache_inode_status_t cache_status;
#ifdef _USE_PNFS
pnfs_file_t pnfs_file;
#endif
char __attribute__ ((__unused__)) funcname[] = "nfs4_op_remove";
resp->resop = NFS4_OP_REMOVE;
res_REMOVE4.status = NFS4_OK;
/* If there is no FH */
if(nfs4_Is_Fh_Empty(&(data->currentFH)))
{
res_REMOVE4.status = NFS4ERR_NOFILEHANDLE;
return res_REMOVE4.status;
}
/* If the filehandle is invalid */
if(nfs4_Is_Fh_Invalid(&(data->currentFH)))
{
res_REMOVE4.status = NFS4ERR_BADHANDLE;
return res_REMOVE4.status;
}
/* Tests if the Filehandle is expired (for volatile filehandle) */
if(nfs4_Is_Fh_Expired(&(data->currentFH)))
{
res_REMOVE4.status = NFS4ERR_FHEXPIRED;
return res_REMOVE4.status;
}
/* Pseudo Fs is explictely a Read-Only File system */
if(nfs4_Is_Fh_Pseudo(&(data->currentFH)))
{
res_REMOVE4.status = NFS4ERR_ROFS;
return res_REMOVE4.status;
}
/* If Filehandle points to a xattr object, manage it via the xattrs specific functions */
if(nfs4_Is_Fh_Xattr(&(data->currentFH)))
return nfs4_op_remove_xattr(op, data, resp);
/* Get the parent entry (aka the current one in the compound data) */
parent_entry = data->current_entry;
/* We have to keep track of the 'change' file attribute for reply structure */
memset(&(res_REMOVE4.REMOVE4res_u.resok4.cinfo.before), 0, sizeof(changeid4));
res_REMOVE4.REMOVE4res_u.resok4.cinfo.before =
(changeid4) parent_entry->internal_md.mod_time;
/* The operation delete object named arg_REMOVE4.target in directory pointed bt cuurentFH */
/* Make sur the currentFH is pointed a directory */
if(data->current_filetype != DIR_BEGINNING && data->current_filetype != DIR_CONTINUE)
{
res_REMOVE4.status = NFS4ERR_NOTDIR;
return res_REMOVE4.status;
}
/* Check for name length */
if(arg_REMOVE4.target.utf8string_len > FSAL_MAX_NAME_LEN)
{
res_REMOVE4.status = NFS4ERR_NAMETOOLONG;
return res_REMOVE4.status;
}
/* get the filename from the argument, it should not be empty */
if(arg_REMOVE4.target.utf8string_len == 0)
{
res_REMOVE4.status = NFS4ERR_INVAL;
return res_REMOVE4.status;
}
/* NFS4_OP_REMOVE can delete files as well as directory, it replaces NFS3_RMDIR and NFS3_REMOVE
* because of this, we have to know if object is a directory or not */
if((cache_status =
cache_inode_error_convert(FSAL_buffdesc2name
((fsal_buffdesc_t *) & arg_REMOVE4.target,
&name))) != CACHE_INODE_SUCCESS)
{
res_REMOVE4.status = nfs4_Errno(cache_status);
return res_REMOVE4.status;
}
/* Test RM7: remiving '.' should return NFS4ERR_BADNAME */
if(!FSAL_namecmp(&name, (fsal_name_t *) & FSAL_DOT)
|| !FSAL_namecmp(&name, (fsal_name_t *) & FSAL_DOT_DOT))
{
res_REMOVE4.status = NFS4ERR_BADNAME;
return res_REMOVE4.status;
}
if((cache_status = cache_inode_remove(parent_entry,
&name,
&attr_parent,
data->ht,
data->pclient,
data->pcontext,
&cache_status)) != CACHE_INODE_SUCCESS)
{
res_REMOVE4.status = nfs4_Errno(cache_status);
return res_REMOVE4.status;
}
/* We have to keep track of the 'change' file attribute for reply structure */
memset(&(res_REMOVE4.REMOVE4res_u.resok4.cinfo.before), 0, sizeof(changeid4));
res_REMOVE4.REMOVE4res_u.resok4.cinfo.after =
(changeid4) parent_entry->internal_md.mod_time;
/* Operation was not atomic .... */
res_REMOVE4.REMOVE4res_u.resok4.cinfo.atomic = TRUE;
/* If you reach this point, everything was ok */
res_REMOVE4.status = NFS4_OK;
return NFS4_OK;
} /* nfs4_op_remove */
/**
*
* cache_inode_lookup_sw: looks up for a name in a directory indicated by a
* cached entry.
*
* Looks up for a name in a directory indicated by a cached entry. The directory
* should have been cached before.
*
* @param pentry_parent [IN] entry for the parent directory to be managed.
* @param name [IN] name of the entry that we are looking for in the
* cache.
* @param pattr [OUT] attributes for the entry that we have found.
* @param ht [IN] hash table used for the cache, unused in this
* call.
* @param pclient [INOUT] ressource allocated by the client for the nfs
* management.
* @param pcontext [IN] FSAL credentials
* @param pstatus [OUT] returned status.
* @param use_mutex [IN] if TRUE, mutex management is done, not if equal
* to FALSE.
*
* @return CACHE_INODE_SUCCESS if operation is a success \n
* @return CACHE_INODE_LRU_ERROR if allocation error occured when validating the
* entry
*
*/
cache_entry_t *cache_inode_lookup_sw(cache_entry_t * pentry_parent,
fsal_name_t * pname,
cache_inode_policy_t policy,
fsal_attrib_list_t * pattr,
hash_table_t * ht,
cache_inode_client_t * pclient,
fsal_op_context_t * pcontext,
cache_inode_status_t * pstatus,
int use_mutex)
{
cache_inode_dir_entry_t dirent_key[1], *dirent;
struct avltree_node *dirent_node;
cache_inode_dir_entry_t *new_dir_entry;
cache_entry_t *pentry = NULL;
fsal_status_t fsal_status;
#ifdef _USE_MFSL
mfsl_object_t object_handle;
#else
fsal_handle_t object_handle;
#endif
fsal_handle_t dir_handle;
fsal_attrib_list_t object_attributes;
cache_inode_create_arg_t create_arg;
cache_inode_file_type_t type;
cache_inode_status_t cache_status;
cache_inode_fsal_data_t new_entry_fsdata;
fsal_accessflags_t access_mask = 0;
memset(&create_arg, 0, sizeof(create_arg));
memset( (char *)&new_entry_fsdata, 0, sizeof( new_entry_fsdata ) ) ;
/* Set the return default to CACHE_INODE_SUCCESS */
*pstatus = CACHE_INODE_SUCCESS;
/* stats */
(pclient->stat.nb_call_total)++;
(pclient->stat.func_stats.nb_call[CACHE_INODE_LOOKUP])++;
/* We should not renew entries when !use_mutex (because unless we
* make the flag explicit (shared vs. exclusive), we don't know
* whether a mutating operation is safe--and, the caller should have
* already renewed the entry */
if(use_mutex == TRUE) {
P_w(&pentry_parent->lock);
cache_status = cache_inode_renew_entry(pentry_parent, pattr, ht,
pclient, pcontext, pstatus);
if(cache_status != CACHE_INODE_SUCCESS)
{
V_w(&pentry_parent->lock);
inc_func_err_retryable(pclient, CACHE_INODE_GETATTR);
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_lookup: returning %d(%s) from cache_inode_renew_entry",
*pstatus, cache_inode_err_str(*pstatus));
return NULL;
}
/* RW Lock goes for writer to reader */
rw_lock_downgrade(&pentry_parent->lock);
}
if(pentry_parent->internal_md.type != DIRECTORY)
{
/* Parent is no directory base, return NULL */
*pstatus = CACHE_INODE_NOT_A_DIRECTORY;
/* stats */
(pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_LOOKUP])++;
if(use_mutex == TRUE)
V_r(&pentry_parent->lock);
return NULL;
}
/* if name is ".", use the input value */
if(!FSAL_namecmp(pname, (fsal_name_t *) & FSAL_DOT))
{
pentry = pentry_parent;
}
else if(!FSAL_namecmp(pname, (fsal_name_t *) & FSAL_DOT_DOT))
{
/* Directory do only have exactly one parent. This a limitation in all FS,
* which implies that hard link are forbidden on directories (so that
* they exists only in one dir). Because of this, the parent list is
* always limited to one element for a dir. Clients SHOULD never
* 'lookup( .. )' in something that is no dir. */
pentry =
cache_inode_lookupp_no_mutex(pentry_parent, ht, pclient, pcontext,
pstatus);
}
else
{
/* This is a "regular lookup" (not on "." or "..") */
/* Check is user (as specified by the credentials) is authorized to
* lookup the directory or not */
access_mask = FSAL_MODE_MASK_SET(FSAL_X_OK) |
FSAL_ACE4_MASK_SET(FSAL_ACE_PERM_LIST_DIR);
if(cache_inode_access_no_mutex(pentry_parent,
access_mask,
ht,
pclient,
pcontext,
pstatus) != CACHE_INODE_SUCCESS)
{
if(use_mutex == TRUE)
V_r(&pentry_parent->lock);
(pclient->stat.func_stats.nb_err_retryable[CACHE_INODE_GETATTR])++;
return NULL;
}
/* We first try avltree_lookup by name. If that fails, we dispatch to
* the fsal. */
FSAL_namecpy(&dirent_key->name, pname);
dirent_node = avltree_lookup(&dirent_key->node_n,
&pentry_parent->object.dir.dentries);
if (dirent_node) {
dirent = avltree_container_of(dirent_node, cache_inode_dir_entry_t,
node_n);
pentry = dirent->pentry;
}
if(pentry == NULL)
{
LogDebug(COMPONENT_CACHE_INODE, "Cache Miss detected");
dir_handle = pentry_parent->handle;
object_attributes.asked_attributes = pclient->attrmask;
#ifdef _USE_MFSL
#ifdef _USE_MFSL_ASYNC
if(!mfsl_async_is_object_asynchronous(&pentry_parent->mobject))
{
/* If the parent is asynchronous, rely on the content of the cache
* inode parent entry.
*
* /!\ If the fs behind the FSAL is touched in a non-nfs way,
* there will be huge incoherencies.
*/
#endif /* _USE_MFSL_ASYNC */
fsal_status = MFSL_lookup(&pentry_parent->mobject,
pname,
pcontext,
&pclient->mfsl_context,
&object_handle, &object_attributes, NULL);
#ifdef _USE_MFSL_ASYNC
}
else
{
LogMidDebug(COMPONENT_CACHE_INODE,
"cache_inode_lookup chose to bypass FSAL and trusted his cache for name=%s",
pname->name);
fsal_status.major = ERR_FSAL_NOENT;
fsal_status.minor = ENOENT;
}
#endif /* _USE_MFSL_ASYNC */
#else
fsal_status =
FSAL_lookup(&dir_handle, pname, pcontext, &object_handle,
&object_attributes);
#endif /* _USE_MFSL */
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
if(use_mutex == TRUE)
V_r(&pentry_parent->lock);
/* Stale File Handle to be detected and managed */
if(fsal_status.major == ERR_FSAL_STALE)
{
cache_inode_status_t kill_status;
LogEvent(COMPONENT_CACHE_INODE,
"cache_inode_lookup: Stale FSAL File Handle detected for pentry = %p, fsal_status=(%u,%u)",
pentry_parent, fsal_status.major, fsal_status.minor);
if(cache_inode_kill_entry(pentry_parent, NO_LOCK, ht, pclient, &kill_status) !=
CACHE_INODE_SUCCESS)
LogCrit(COMPONENT_CACHE_INODE,
"cache_inode_pentry_parent: Could not kill entry %p, status = %u",
pentry_parent, kill_status);
*pstatus = CACHE_INODE_FSAL_ESTALE;
}
/* stats */
(pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_LOOKUP])++;
return NULL;
}
type = cache_inode_fsal_type_convert(object_attributes.type);
/* If entry is a symlink, this value for be cached */
if(type == SYMBOLIC_LINK)
{
if( CACHE_INODE_KEEP_CONTENT( policy ) )
#ifdef _USE_MFSL
{
fsal_status =
MFSL_readlink(&object_handle, pcontext, &pclient->mfsl_context,
&create_arg.link_content, &object_attributes, NULL);
}
#else
{
fsal_status =
FSAL_readlink(&object_handle, pcontext, &create_arg.link_content,
&object_attributes);
}
else
{
fsal_status.major = ERR_FSAL_NO_ERROR ;
fsal_status.minor = 0 ;
}
#endif
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
if(use_mutex == TRUE)
V_r(&pentry_parent->lock);
/* Stale File Handle to be detected and managed */
if(fsal_status.major == ERR_FSAL_STALE)
{
cache_inode_status_t kill_status;
LogEvent(COMPONENT_CACHE_INODE,
"cache_inode_lookup: Stale FSAL File Handle detected for pentry = %p, fsal_status=(%u,%u)",
pentry_parent, fsal_status.major, fsal_status.minor);
if(cache_inode_kill_entry(pentry_parent, NO_LOCK, ht, pclient, &kill_status)
!= CACHE_INODE_SUCCESS)
LogCrit(COMPONENT_CACHE_INODE,
"cache_inode_pentry_parent: Could not kill entry %p, status = %u",
pentry_parent, kill_status);
*pstatus = CACHE_INODE_FSAL_ESTALE;
}
/* stats */
(pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_LOOKUP])++;
return NULL;
}
}
/* Allocation of a new entry in the cache */
#ifdef _USE_MFSL
new_entry_fsdata.handle = object_handle.handle;
#else
new_entry_fsdata.handle = object_handle;
#endif
new_entry_fsdata.cookie = 0;
if((pentry = cache_inode_new_entry( &new_entry_fsdata,
&object_attributes,
type,
policy,
&create_arg,
NULL,
ht,
pclient,
pcontext,
FALSE, /* This is a population and not a creation */
pstatus ) ) == NULL )
{
if(use_mutex == TRUE)
V_r(&pentry_parent->lock);
/* stats */
(pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_LOOKUP])++;
return NULL;
}
/* Entry was found in the FSAL, add this entry to the parent
* directory */
cache_status = cache_inode_add_cached_dirent(pentry_parent,
pname,
pentry,
ht,
&new_dir_entry,
pclient,
pcontext,
pstatus);
if(cache_status != CACHE_INODE_SUCCESS
&& cache_status != CACHE_INODE_ENTRY_EXISTS)
{
if(use_mutex == TRUE)
V_r(&pentry_parent->lock);
/* stats */
(pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_LOOKUP])++;
return NULL;
}
} /* cached lookup fail (try fsal) */
int nfs4_op_link(struct nfs_argop4 *op, compound_data_t * data, struct nfs_resop4 *resp)
{
char __attribute__ ((__unused__)) funcname[] = "nfs4_op_link";
cache_entry_t * dir_pentry = NULL;
cache_entry_t * file_pentry = NULL;
cache_inode_status_t cache_status;
fsal_attrib_list_t attr;
fsal_name_t newname;
resp->resop = NFS4_OP_LINK;
res_LINK4.status = NFS4_OK;
/* Do basic checks on a filehandle */
res_LINK4.status = nfs4_sanity_check_FH(data, 0LL);
if(res_LINK4.status != NFS4_OK)
return res_LINK4.status;
/* If there is no FH */
if(nfs4_Is_Fh_Empty(&(data->savedFH)))
{
res_LINK4.status = NFS4ERR_NOFILEHANDLE;
return res_LINK4.status;
}
/* If the filehandle is invalid */
if(nfs4_Is_Fh_Invalid(&(data->savedFH)))
{
res_LINK4.status = NFS4ERR_BADHANDLE;
return res_LINK4.status;
}
/* Tests if the Filehandle is expired (for volatile filehandle) */
if(nfs4_Is_Fh_Expired(&(data->savedFH)))
{
res_LINK4.status = NFS4ERR_FHEXPIRED;
return res_LINK4.status;
}
/* Pseudo Fs is explictely a Read-Only File system */
if(nfs4_Is_Fh_Pseudo(&(data->currentFH)))
{
res_LINK4.status = NFS4ERR_ROFS;
return res_LINK4.status;
}
/* If data->exportp is null, a junction from pseudo fs was traversed, credp and exportp have to be updated */
if(data->pexport == NULL)
{
res_LINK4.status = nfs4_SetCompoundExport(data);
if(res_LINK4.status != NFS4_OK)
return res_LINK4.status;
}
/*
* This operation creates a hard link, for the file represented by the saved FH, in directory represented by currentFH under the
* name arg_LINK4.target
*/
/* Crossing device is not allowed */
if(((file_handle_v4_t *) (data->currentFH.nfs_fh4_val))->exportid !=
((file_handle_v4_t *) (data->savedFH.nfs_fh4_val))->exportid)
{
res_LINK4.status = NFS4ERR_XDEV;
return res_LINK4.status;
}
/* If name is empty, return EINVAL */
if(arg_LINK4.newname.utf8string_len == 0)
{
res_LINK4.status = NFS4ERR_INVAL;
return res_LINK4.status;
}
/* Check for name to long */
if(arg_LINK4.newname.utf8string_len > FSAL_MAX_NAME_LEN)
{
res_LINK4.status = NFS4ERR_NAMETOOLONG;
return res_LINK4.status;
}
/* Convert the UFT8 objname to a regular string */
if((cache_status =
cache_inode_error_convert(FSAL_buffdesc2name
((fsal_buffdesc_t *) & arg_LINK4.newname,
&newname))) != CACHE_INODE_SUCCESS)
{
res_LINK4.status = nfs4_Errno(cache_status);
return res_LINK4.status;
}
/* Sanity check: never create a link named '.' or '..' */
if(!FSAL_namecmp(&newname, (fsal_name_t *) & FSAL_DOT)
|| !FSAL_namecmp(&newname, (fsal_name_t *) & FSAL_DOT_DOT))
{
res_LINK4.status = NFS4ERR_BADNAME;
return res_LINK4.status;
}
/* get info from compound data */
dir_pentry = data->current_entry;
/* Destination FH (the currentFH) must be a directory */
if(data->current_filetype != DIRECTORY)
{
res_LINK4.status = NFS4ERR_NOTDIR;
return res_LINK4.status;
}
/* Target object (the savedFH) must not be a directory */
if(data->saved_filetype == DIRECTORY)
{
res_LINK4.status = NFS4ERR_ISDIR;
return res_LINK4.status;
}
/* We have to keep track of the 'change' file attribute for reply structure */
if((cache_status = cache_inode_getattr(dir_pentry,
&attr,
data->pcontext,
&cache_status)) != CACHE_INODE_SUCCESS)
{
res_LINK4.status = nfs4_Errno(cache_status);
return res_LINK4.status;
}
res_LINK4.LINK4res_u.resok4.cinfo.before
= cache_inode_get_changeid4(dir_pentry);
/* Convert savedFH into a vnode */
file_pentry = data->saved_entry;
/* make the link */
if(cache_inode_link(file_pentry,
dir_pentry,
&newname,
&attr,
data->pcontext, &cache_status) != CACHE_INODE_SUCCESS)
{
res_LINK4.status = nfs4_Errno(cache_status);
return res_LINK4.status;
}
res_LINK4.LINK4res_u.resok4.cinfo.after
= cache_inode_get_changeid4(dir_pentry);
res_LINK4.LINK4res_u.resok4.cinfo.atomic = FALSE;
res_LINK4.status = NFS4_OK;
return NFS4_OK;
} /* nfs4_op_link */
int nfs4_op_lookup(struct nfs_argop4 *op, compound_data_t * data, struct nfs_resop4 *resp)
{
fsal_name_t name;
char strname[MAXNAMLEN];
#ifndef _NO_XATTRD
char objname[MAXNAMLEN];
#endif
unsigned int xattr_found = FALSE;
cache_entry_t *dir_pentry = NULL;
cache_entry_t *file_pentry = NULL;
fsal_attrib_list_t attrlookup;
cache_inode_status_t cache_status;
fsal_handle_t *pfsal_handle = NULL;
char __attribute__ ((__unused__)) funcname[] = "nfs4_op_lookup";
resp->resop = NFS4_OP_LOOKUP;
res_LOOKUP4.status = NFS4_OK;
/* If there is no FH */
if(nfs4_Is_Fh_Empty(&(data->currentFH)))
{
res_LOOKUP4.status = NFS4ERR_NOFILEHANDLE;
return res_LOOKUP4.status;
}
/* If the filehandle is invalid */
if(nfs4_Is_Fh_Invalid(&(data->currentFH)))
{
res_LOOKUP4.status = NFS4ERR_BADHANDLE;
return res_LOOKUP4.status;
}
/* Tests if the Filehandle is expired (for volatile filehandle) */
if(nfs4_Is_Fh_Expired(&(data->currentFH)))
{
res_LOOKUP4.status = NFS4ERR_FHEXPIRED;
return res_LOOKUP4.status;
}
/* Check for empty name */
if(op->nfs_argop4_u.oplookup.objname.utf8string_len == 0 ||
op->nfs_argop4_u.oplookup.objname.utf8string_val == NULL)
{
res_LOOKUP4.status = NFS4ERR_INVAL;
return res_LOOKUP4.status;
}
/* Check for name to long */
if(op->nfs_argop4_u.oplookup.objname.utf8string_len > FSAL_MAX_NAME_LEN)
{
res_LOOKUP4.status = NFS4ERR_NAMETOOLONG;
return res_LOOKUP4.status;
}
/* If Filehandle points to a pseudo fs entry, manage it via pseudofs specific functions */
if(nfs4_Is_Fh_Pseudo(&(data->currentFH)))
return nfs4_op_lookup_pseudo(op, data, resp);
#ifndef _NO_XATTRD
/* If Filehandle points to a xattr object, manage it via the xattrs specific functions */
if(nfs4_Is_Fh_Xattr(&(data->currentFH)))
return nfs4_op_lookup_xattr(op, data, resp);
#endif
/* UTF8 strings may not end with \0, but they carry their length */
utf82str(strname, sizeof(strname), &arg_LOOKUP4.objname);
#ifndef _NO_XATTRD
/* Is this a .xattr.d.<object> name ? */
if(nfs_XattrD_Name(strname, objname))
{
strcpy(strname, objname);
xattr_found = TRUE;
}
#endif
if((cache_status = cache_inode_error_convert(FSAL_str2name(strname,
MAXNAMLEN,
&name))) !=
CACHE_INODE_SUCCESS)
{
res_LOOKUP4.status = nfs4_Errno(cache_status);
return res_LOOKUP4.status;
}
/* No 'cd .' is allowed return NFS4ERR_BADNAME in this case */
/* No 'cd .. is allowed, return EINVAL in this case. NFS4_OP_LOOKUPP should be use instead */
if(!FSAL_namecmp(&name, (fsal_name_t *) & FSAL_DOT)
|| !FSAL_namecmp(&name, (fsal_name_t *) & FSAL_DOT_DOT))
{
res_LOOKUP4.status = NFS4ERR_BADNAME;
return res_LOOKUP4.status;
}
/* Do the lookup in the HPSS Namespace */
file_pentry = NULL;
dir_pentry = data->current_entry;
/* Sanity check: dir_pentry should be ACTUALLY a directory */
if(dir_pentry->internal_md.type != DIR_BEGINNING
&& dir_pentry->internal_md.type != DIR_CONTINUE)
{
/* This is not a directory */
if(dir_pentry->internal_md.type == SYMBOLIC_LINK)
res_LOOKUP4.status = NFS4ERR_SYMLINK;
else
res_LOOKUP4.status = NFS4ERR_NOTDIR;
/* Return failed status */
return res_LOOKUP4.status;
}
/* BUGAZOMEU: Faire la gestion des cross junction traverse */
if((file_pentry = cache_inode_lookup(dir_pentry,
&name,
&attrlookup,
data->ht,
data->pclient,
data->pcontext, &cache_status)) != NULL)
{
/* Extract the fsal attributes from the cache inode pentry */
pfsal_handle = cache_inode_get_fsal_handle(file_pentry, &cache_status);
if(cache_status != CACHE_INODE_SUCCESS)
{
res_LOOKUP4.status = NFS4ERR_SERVERFAULT;
return res_LOOKUP4.status;
}
/* Convert it to a file handle */
if(!nfs4_FSALToFhandle(&data->currentFH, pfsal_handle, data))
{
res_LOOKUP4.status = NFS4ERR_SERVERFAULT;
return res_LOOKUP4.status;
}
/* Copy this to the mounted on FH (if no junction is traversed */
memcpy((char *)(data->mounted_on_FH.nfs_fh4_val),
(char *)(data->currentFH.nfs_fh4_val), data->currentFH.nfs_fh4_len);
data->mounted_on_FH.nfs_fh4_len = data->currentFH.nfs_fh4_len;
#if 0
print_buff((char *)cache_inode_get_fsal_handle(file_pentry, &cache_status),
sizeof(fsal_handle_t));
print_buff((char *)cache_inode_get_fsal_handle(dir_pentry, &cache_status),
sizeof(fsal_handle_t));
#endif
if(isFullDebug(COMPONENT_NFS_V4))
{
LogFullDebug(COMPONENT_NFS_V4,
"----> nfs4_op_lookup: name=%s dir_pentry=%p looked up pentry=%p",
strname, dir_pentry, file_pentry);
LogFullDebug(COMPONENT_NFS_V4,
"----> FSAL handle parent puis fils dans nfs4_op_lookup");
print_buff(COMPONENT_NFS_V4,
(char *)cache_inode_get_fsal_handle(file_pentry, &cache_status),
sizeof(fsal_handle_t));
print_buff(COMPONENT_NFS_V4,
(char *)cache_inode_get_fsal_handle(dir_pentry, &cache_status),
sizeof(fsal_handle_t));
}
LogHandleNFS4("NFS4 LOOKUP CURRENT FH: ", &data->currentFH);
/* Keep the pointer within the compound data */
data->current_entry = file_pentry;
data->current_filetype = file_pentry->internal_md.type;
/* Return successfully */
res_LOOKUP4.status = NFS4_OK;
#ifndef _NO_XATTRD
/* If this is a xattr ghost directory name, update the FH */
if(xattr_found == TRUE)
res_LOOKUP4.status = nfs4_fh_to_xattrfh(&(data->currentFH), &(data->currentFH));
#endif
if((data->current_entry->internal_md.type == DIR_BEGINNING) &&
(data->current_entry->object.dir_begin.referral != NULL))
{
if(!nfs4_Set_Fh_Referral(&(data->currentFH)))
{
res_LOOKUP4.status = NFS4ERR_SERVERFAULT;
return res_LOOKUP4.status;
}
}
return NFS4_OK;
}
/* If the part of the code is reached, then something wrong occured in the lookup process, status is not HPSS_E_NOERROR
* and contains the code for the error */
res_LOOKUP4.status = nfs4_Errno(cache_status);
return res_LOOKUP4.status;
} /* nfs4_op_lookup */
fsal_status_t PROXYFSAL_lookup(proxyfsal_handle_t * parent_directory_handle, /* IN */
fsal_name_t * p_filename, /* IN */
proxyfsal_op_context_t * p_context, /* IN */
proxyfsal_handle_t * object_handle, /* OUT */
fsal_attrib_list_t * object_attributes /* [ IN/OUT ] */
)
{
int rc;
COMPOUND4args argnfs4;
COMPOUND4res resnfs4;
nfs_fh4 nfs4fh;
bitmap4 bitmap;
uint32_t bitmap_val[2];
component4 name;
char nameval[MAXNAMLEN];
fsal_attrib_list_t attributes;
unsigned int index_getfh = 0;
unsigned int index_getattr = 0;
#define FSAL_LOOKUP_NB_OP_ALLOC 4
nfs_argop4 argoparray[FSAL_LOOKUP_NB_OP_ALLOC];
nfs_resop4 resoparray[FSAL_LOOKUP_NB_OP_ALLOC];
uint32_t bitmap_res[2];
fsal_proxy_internal_fattr_t fattr_internal;
char padfilehandle[FSAL_PROXY_FILEHANDLE_MAX_LEN];
struct timeval timeout = TIMEOUTRPC;
/* sanity checks
* note : object_attributes is optionnal
* parent_directory_handle may be null for getting FS root.
*/
if(!object_handle || !p_context)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_lookup);
/* Setup results structures */
argnfs4.argarray.argarray_val = argoparray;
resnfs4.resarray.resarray_val = resoparray;
fsal_internal_proxy_setup_fattr(&fattr_internal);
argnfs4.minorversion = 0;
argnfs4.argarray.argarray_len = 0;
/* >> retrieve root handle filehandle here << */
bitmap.bitmap4_val = bitmap_val;
bitmap.bitmap4_len = 2;
fsal_internal_proxy_create_fattr_bitmap(&bitmap);
if(!parent_directory_handle)
{
/* check that p_filename is NULL,
* else, parent_directory_handle should not
* be NULL.
*/
if(p_filename != NULL)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_lookup);
/* argnfs4.tag.utf8string_val = "GANESHA NFSv4 Proxy: Lookup Root" ; */
argnfs4.tag.utf8string_val = NULL;
argnfs4.tag.utf8string_len = 0;
#define FSAL_LOOKUP_IDX_OP_PUTROOTFH 0
#define FSAL_LOOKUP_IDX_OP_GETATTR_ROOT 1
#define FSAL_LOOKUP_IDX_OP_GETFH_ROOT 2
COMPOUNDV4_ARG_ADD_OP_PUTROOTFH(argnfs4);
COMPOUNDV4_ARG_ADD_OP_GETATTR(argnfs4, bitmap);
COMPOUNDV4_ARG_ADD_OP_GETFH(argnfs4);
index_getattr = FSAL_LOOKUP_IDX_OP_GETATTR_ROOT;
index_getfh = FSAL_LOOKUP_IDX_OP_GETFH_ROOT;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETATTR_ROOT].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_val = bitmap_res;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETATTR_ROOT].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_len = 2;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETATTR_ROOT].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_val =
(char *)&fattr_internal;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETATTR_ROOT].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_len =
sizeof(fattr_internal);
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETFH_ROOT].nfs_resop4_u.opgetfh.
GETFH4res_u.resok4.object.nfs_fh4_val = (char *)padfilehandle;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETFH_ROOT].nfs_resop4_u.opgetfh.
GETFH4res_u.resok4.object.nfs_fh4_len = FSAL_PROXY_FILEHANDLE_MAX_LEN;
}
else /* this is a real lookup(parent, name) */
{
PRINT_HANDLE("PROXYFSAL_lookup parent", parent_directory_handle);
/* the filename should not be null */
if(p_filename == NULL)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_lookup);
/* >> Be careful about junction crossing, symlinks, hardlinks,...
* You may check the parent type if it's sored into the handle <<
*/
switch (parent_directory_handle->data.object_type_reminder)
{
case FSAL_TYPE_DIR:
/* OK */
break;
case FSAL_TYPE_JUNCTION:
/* This is a junction */
Return(ERR_FSAL_XDEV, 0, INDEX_FSAL_lookup);
case FSAL_TYPE_FILE:
case FSAL_TYPE_LNK:
case FSAL_TYPE_XATTR:
/* not a directory */
Return(ERR_FSAL_NOTDIR, 0, INDEX_FSAL_lookup);
default:
Return(ERR_FSAL_SERVERFAULT, 0, INDEX_FSAL_lookup);
}
/* >> Call your filesystem lookup function here << */
if(fsal_internal_proxy_extract_fh(&nfs4fh, parent_directory_handle) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_lookup);
memset((char *)&name, 0, sizeof(component4));
name.utf8string_val = nameval;
if(fsal_internal_proxy_fsal_name_2_utf8(p_filename, &name) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_lookup);
if(!FSAL_namecmp(p_filename, (fsal_name_t *) & FSAL_DOT))
{
/* argnfs4.tag.utf8string_val = "GANESHA NFSv4 Proxy: Lookup current" ; */
argnfs4.tag.utf8string_val = NULL;
argnfs4.tag.utf8string_len = 0;
#define FSAL_LOOKUP_IDX_OP_DOT_PUTFH 0
#define FSAL_LOOKUP_IDX_OP_DOT_GETATTR 1
#define FSAL_LOOKUP_IDX_OP_DOT_GETFH 2
COMPOUNDV4_ARG_ADD_OP_PUTFH(argnfs4, nfs4fh);
COMPOUNDV4_ARG_ADD_OP_GETATTR(argnfs4, bitmap);
COMPOUNDV4_ARG_ADD_OP_GETFH(argnfs4);
index_getattr = FSAL_LOOKUP_IDX_OP_DOT_GETATTR;
index_getfh = FSAL_LOOKUP_IDX_OP_DOT_GETFH;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_val =
bitmap_res;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_len = 2;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_val =
(char *)&fattr_internal;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_len =
sizeof(fattr_internal);
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_GETFH].nfs_resop4_u.
opgetfh.GETFH4res_u.resok4.object.nfs_fh4_val = (char *)padfilehandle;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_GETFH].nfs_resop4_u.
opgetfh.GETFH4res_u.resok4.object.nfs_fh4_len =
FSAL_PROXY_FILEHANDLE_MAX_LEN;
}
else if(!FSAL_namecmp(p_filename, (fsal_name_t *) & FSAL_DOT_DOT))
{
/* argnfs4.tag.utf8string_val = "GANESHA NFSv4 Proxy: Lookup parent" ; */
argnfs4.tag.utf8string_val = NULL;
argnfs4.tag.utf8string_len = 0;
#define FSAL_LOOKUP_IDX_OP_DOT_DOT_PUTFH 0
#define FSAL_LOOKUP_IDX_OP_DOT_DOT_LOOKUPP 1
#define FSAL_LOOKUP_IDX_OP_DOT_DOT_GETATTR 2
#define FSAL_LOOKUP_IDX_OP_DOT_DOT_GETFH 3
COMPOUNDV4_ARG_ADD_OP_PUTFH(argnfs4, nfs4fh);
COMPOUNDV4_ARG_ADD_OP_LOOKUPP(argnfs4);
COMPOUNDV4_ARG_ADD_OP_GETATTR(argnfs4, bitmap);
COMPOUNDV4_ARG_ADD_OP_GETFH(argnfs4);
index_getattr = FSAL_LOOKUP_IDX_OP_DOT_DOT_GETATTR;
index_getfh = FSAL_LOOKUP_IDX_OP_DOT_DOT_GETFH;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_DOT_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_val =
bitmap_res;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_DOT_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_len = 2;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_DOT_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_val =
(char *)&fattr_internal;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_DOT_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_len =
sizeof(fattr_internal);
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_DOT_GETFH].nfs_resop4_u.
opgetfh.GETFH4res_u.resok4.object.nfs_fh4_val = (char *)padfilehandle;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_DOT_DOT_GETFH].nfs_resop4_u.
opgetfh.GETFH4res_u.resok4.object.nfs_fh4_len =
FSAL_PROXY_FILEHANDLE_MAX_LEN;
}
else
{
/* argnfs4.tag.utf8string_val = "GANESHA NFSv4 Proxy: Lookup name" ; */
argnfs4.tag.utf8string_val = NULL;
argnfs4.tag.utf8string_len = 0;
#define FSAL_LOOKUP_IDX_OP_PUTFH 0
#define FSAL_LOOKUP_IDX_OP_LOOKUP 1
#define FSAL_LOOKUP_IDX_OP_GETATTR 2
#define FSAL_LOOKUP_IDX_OP_GETFH 3
COMPOUNDV4_ARG_ADD_OP_PUTFH(argnfs4, nfs4fh);
COMPOUNDV4_ARG_ADD_OP_LOOKUP(argnfs4, name);
COMPOUNDV4_ARG_ADD_OP_GETATTR(argnfs4, bitmap);
COMPOUNDV4_ARG_ADD_OP_GETFH(argnfs4);
index_getattr = FSAL_LOOKUP_IDX_OP_GETATTR;
index_getfh = FSAL_LOOKUP_IDX_OP_GETFH;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_val =
bitmap_res;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attrmask.bitmap4_len = 2;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_val =
(char *)&fattr_internal;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETATTR].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes.attr_vals.attrlist4_len =
sizeof(fattr_internal);
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETFH].nfs_resop4_u.opgetfh.
GETFH4res_u.resok4.object.nfs_fh4_val = (char *)padfilehandle;
resnfs4.resarray.resarray_val[FSAL_LOOKUP_IDX_OP_GETFH].nfs_resop4_u.opgetfh.
GETFH4res_u.resok4.object.nfs_fh4_len = FSAL_PROXY_FILEHANDLE_MAX_LEN;
}
}
TakeTokenFSCall();
/* Call the NFSv4 function */
COMPOUNDV4_EXECUTE(p_context, argnfs4, resnfs4, rc);
if(rc != RPC_SUCCESS)
{
ReleaseTokenFSCall();
Return(ERR_FSAL_IO, rc, INDEX_FSAL_lookup);
}
ReleaseTokenFSCall();
if(resnfs4.status != NFS4_OK)
return fsal_internal_proxy_error_convert(resnfs4.status, INDEX_FSAL_lookup);
/* Use NFSv4 service function to build the FSAL_attr */
if(nfs4_Fattr_To_FSAL_attr(&attributes,
&resnfs4.resarray.resarray_val[index_getattr].nfs_resop4_u.
opgetattr.GETATTR4res_u.resok4.obj_attributes) != NFS4_OK)
{
FSAL_CLEAR_MASK(object_attributes->asked_attributes);
FSAL_SET_MASK(object_attributes->asked_attributes, FSAL_ATTR_RDATTR_ERR);
Return(ERR_FSAL_INVAL, 0, INDEX_FSAL_lookup);
}
if(object_attributes)
{
memcpy(object_attributes, &attributes, sizeof(attributes));
}
/* Build the handle */
if(fsal_internal_proxy_create_fh
(&resnfs4.resarray.resarray_val[index_getfh].nfs_resop4_u.opgetfh.GETFH4res_u.
resok4.object, attributes.type, attributes.fileid, object_handle) == FALSE)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_lookup);
PRINT_HANDLE("PROXYFSAL_lookup object found", object_handle);
/* Return attributes if asked */
if(object_attributes)
{
memcpy(object_attributes, &attributes, sizeof(attributes));
}
/* lookup complete ! */
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_lookup);
}
/**
*
* cache_inode_readdir_nonamecache: Reads a directory without populating the name cache (no dirents created).
*
* Reads a directory without populating the name cache (no dirents created).
*
* @param pentry [IN] entry for the parent directory to be read.
* @param cookie [IN] cookie for the readdir operation (basically the offset).
* @param nbwanted [IN] Maximum number of directory entries wanted.
* @param peod_met [OUT] A flag to know if end of directory was met during this call.
* @param dirent_array [OUT] the resulting array of found directory entries.
* @param ht [IN] hash table used for the cache, unused in this call.
* @param unlock [OUT] the caller shall release read-lock on pentry when done
* @param pclient [INOUT] ressource allocated by the client for the nfs management.
* @param pcontext [IN] FSAL credentials
* @param pstatus [OUT] returned status.
*
* @return CACHE_INODE_SUCCESS if operation is a success \n
*
*/
static cache_inode_status_t cache_inode_readdir_nonamecache( cache_entry_t * pentry_dir,
cache_inode_policy_t policy,
uint64_t cookie,
unsigned int nbwanted,
unsigned int *pnbfound,
uint64_t *pend_cookie,
cache_inode_endofdir_t *peod_met,
cache_inode_dir_entry_t **dirent_array,
hash_table_t *ht,
int *unlock,
cache_inode_client_t *pclient,
fsal_op_context_t *pcontext,
cache_inode_status_t *pstatus)
{
fsal_dir_t fsal_dirhandle;
fsal_status_t fsal_status;
fsal_attrib_list_t dir_attributes;
fsal_cookie_t begin_cookie;
fsal_cookie_t end_cookie;
fsal_count_t iter;
fsal_boolean_t fsal_eod;
fsal_dirent_t fsal_dirent_array[FSAL_READDIR_SIZE + 20];
cache_inode_fsal_data_t entry_fsdata;
/* Set the return default to CACHE_INODE_SUCCESS */
*pstatus = CACHE_INODE_SUCCESS;
/* Only DIRECTORY entries are concerned */
if(pentry_dir->internal_md.type != DIRECTORY)
{
*pstatus = CACHE_INODE_BAD_TYPE;
return *pstatus;
}
LogFullDebug(COMPONENT_NFS_READDIR,
"About to readdir in cache_inode_readdir_nonamecache: pentry=%p "
"cookie=%"PRIu64, pentry_dir, cookie ) ;
/* Open the directory */
dir_attributes.asked_attributes = pclient->attrmask;
#ifdef _USE_MFSL
fsal_status = MFSL_opendir(&pentry_dir->mobject,
pcontext,
&pclient->mfsl_context, &fsal_dirhandle, &dir_attributes, NULL);
#else
fsal_status = FSAL_opendir(&pentry_dir->object.dir.handle,
pcontext, &fsal_dirhandle, &dir_attributes);
#endif
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
if(fsal_status.major == ERR_FSAL_STALE)
{
cache_inode_status_t kill_status;
LogEvent(COMPONENT_CACHE_INODE,
"cache_inode_readdir: Stale FSAL File Handle detected for pentry = %p, fsal_status=(%u,%u)",
pentry_dir, fsal_status.major, fsal_status.minor);
if(cache_inode_kill_entry(pentry_dir, WT_LOCK, ht, pclient, &kill_status) !=
CACHE_INODE_SUCCESS)
LogCrit(COMPONENT_CACHE_INODE,
"cache_inode_readdir: Could not kill entry %p, status = %u",
pentry_dir, kill_status);
*pstatus = CACHE_INODE_FSAL_ESTALE;
}
return *pstatus;
}
/* Loop for readding the directory */
// memcpy( &(begin_cookie.data), &cookie, sizeof( uint64_t ) ) ;
FSAL_SET_COOKIE_BY_OFFSET( begin_cookie, cookie ) ;
fsal_eod = FALSE;
#ifdef _USE_MFSL
fsal_status = MFSL_readdir( &fsal_dirhandle,
begin_cookie,
pclient->attrmask,
nbwanted * sizeof(fsal_dirent_t),
fsal_dirent_array,
&end_cookie,
(fsal_count_t *)pnbfound,
&fsal_eod,
&pclient->mfsl_context,
NULL);
#else
fsal_status = FSAL_readdir( &fsal_dirhandle,
begin_cookie,
pclient->attrmask,
nbwanted * sizeof(fsal_dirent_t),
fsal_dirent_array,
&end_cookie,
(fsal_count_t *)pnbfound,
&fsal_eod);
#endif
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
return *pstatus;
}
for( iter = 0 ; iter < *pnbfound ; iter ++ )
{
/* cache_inode_readdir does not return . or .. */
if(!FSAL_namecmp(&(fsal_dirent_array[iter].name), (fsal_name_t *) & FSAL_DOT) ||
!FSAL_namecmp(&(fsal_dirent_array[iter].name), (fsal_name_t *) & FSAL_DOT_DOT))
continue;
/* Get the related pentry without populating the name cache (but eventually populating the attrs cache */
entry_fsdata.handle = fsal_dirent_array[iter].handle;
entry_fsdata.cookie = 0; /* XXX needed? */
/* Allocate a dirent to be returned to the client */
/** @todo Make sure this piece of memory once the data are used */
GetFromPool( dirent_array[iter], &pclient->pool_dir_entry, cache_inode_dir_entry_t);
if( dirent_array[iter] == NULL )
{
*pstatus = CACHE_INODE_MALLOC_ERROR;
return *pstatus;
}
/* fills in the dirent_array */
if( ( dirent_array[iter]->pentry= cache_inode_get( &entry_fsdata,
policy,
&fsal_dirent_array[iter].attributes,
ht,
pclient,
pcontext,
pstatus ) ) == NULL )
return *pstatus ;
fsal_status = FSAL_namecpy( &dirent_array[iter]->name, &fsal_dirent_array[iter].name ) ;
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
return *pstatus;
}
(void) FSAL_cookie_to_uint64( &fsal_dirent_array[iter].handle,
pcontext,
&fsal_dirent_array[iter].cookie,
&dirent_array[iter]->fsal_cookie);
dirent_array[iter]->cookie = dirent_array[iter]->fsal_cookie ;
} /* for( iter = 0 ; iter < nbfound ; iter ++ ) */
if( fsal_eod == TRUE )
*peod_met = END_OF_DIR ;
else
*peod_met = TO_BE_CONTINUED ;
/* Do not forget to set returned end cookie */
//memcpy( pend_cookie, &(end_cookie.data), sizeof( uint64_t ) ) ;
FSAL_SET_POFFSET_BY_COOKIE( end_cookie, pend_cookie ) ;
LogFullDebug(COMPONENT_NFS_READDIR,
"End of readdir in cache_inode_readdir_nonamecache: pentry=%p "
"cookie=%"PRIu64, pentry_dir, *pend_cookie ) ;
/* Close the directory */
#ifdef _USE_MFSL
fsal_status = MFSL_closedir(&fsal_dirhandle, &pclient->mfsl_context, NULL);
#else
fsal_status = FSAL_closedir(&fsal_dirhandle);
#endif
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
return *pstatus;
}
return CACHE_INODE_SUCCESS ;
} /* cache_inode_readdir_nomanecache */
/**
*
* cache_inode_readdir_populate: fully reads a directory in FSAL and caches
* the related entries.
*
* fully reads a directory in FSAL and caches the related entries. No MT
* safety managed here !!
*
* @param pentry [IN] entry for the parent directory to be read. This must be
* a DIRECTORY
* @param ht [IN] hash table used for the cache, unused in this call.
* @param pclient [INOUT] ressource allocated by the client for the nfs
* management.
* @param pcontext [IN] FSAL credentials
* @param pstatus [OUT] returned status.
*
*/
cache_inode_status_t cache_inode_readdir_populate(
cache_entry_t * pentry_dir,
cache_inode_policy_t policy,
hash_table_t * ht,
cache_inode_client_t * pclient,
fsal_op_context_t * pcontext,
cache_inode_status_t * pstatus)
{
fsal_dir_t fsal_dirhandle;
fsal_status_t fsal_status;
fsal_attrib_list_t dir_attributes;
fsal_cookie_t begin_cookie;
fsal_cookie_t end_cookie;
fsal_count_t nbfound;
fsal_count_t iter;
fsal_boolean_t fsal_eod;
cache_entry_t *pentry = NULL;
cache_entry_t *pentry_parent = pentry_dir;
fsal_attrib_list_t object_attributes;
cache_inode_create_arg_t create_arg;
cache_inode_file_type_t type;
cache_inode_status_t cache_status;
fsal_dirent_t array_dirent[FSAL_READDIR_SIZE + 20];
cache_inode_fsal_data_t new_entry_fsdata;
cache_inode_dir_entry_t *new_dir_entry = NULL;
uint64_t i = 0;
/* Set the return default to CACHE_INODE_SUCCESS */
*pstatus = CACHE_INODE_SUCCESS;
/* Only DIRECTORY entries are concerned */
if(pentry_dir->internal_md.type != DIRECTORY)
{
*pstatus = CACHE_INODE_BAD_TYPE;
return *pstatus;
}
#ifdef _USE_MFSL_ASYNC
/* If entry is asynchronous (via MFSL), it should not be repopulated until
it is synced */
if(MFSL_ASYNC_is_synced(&pentry_dir->mobject) == FALSE)
{
/* Directory is asynchronous, do not repopulate it and let it
* in the state 'has_been_readdir == FALSE' */
*pstatus = CACHE_INODE_SUCCESS;
return *pstatus;
}
#endif
/* If directory is already populated , there is no job to do */
if(pentry_dir->object.dir.has_been_readdir == CACHE_INODE_YES)
{
*pstatus = CACHE_INODE_SUCCESS;
return *pstatus;
}
/* Invalidate all the dirents */
if(cache_inode_invalidate_all_cached_dirent(pentry_dir,
ht,
pclient,
pstatus) != CACHE_INODE_SUCCESS)
return *pstatus;
/* Open the directory */
dir_attributes.asked_attributes = pclient->attrmask;
#ifdef _USE_MFSL
fsal_status = MFSL_opendir(&pentry_dir->mobject,
pcontext,
&pclient->mfsl_context, &fsal_dirhandle, &dir_attributes, NULL);
#else
fsal_status = FSAL_opendir(&pentry_dir->object.dir.handle,
pcontext, &fsal_dirhandle, &dir_attributes);
#endif
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
if(fsal_status.major == ERR_FSAL_STALE)
{
cache_inode_status_t kill_status;
LogEvent(COMPONENT_CACHE_INODE,
"cache_inode_readdir: Stale FSAL File Handle detected for pentry = %p, fsal_status=(%u,%u)",
pentry_dir, fsal_status.major, fsal_status.minor);
if(cache_inode_kill_entry(pentry_dir, WT_LOCK, ht, pclient, &kill_status) !=
CACHE_INODE_SUCCESS)
LogCrit(COMPONENT_CACHE_INODE,
"cache_inode_readdir: Could not kill entry %p, status = %u",
pentry_dir, kill_status);
*pstatus = CACHE_INODE_FSAL_ESTALE;
}
return *pstatus;
}
/* Loop for readding the directory */
FSAL_SET_COOKIE_BEGINNING(begin_cookie);
FSAL_SET_COOKIE_BEGINNING(end_cookie);
fsal_eod = FALSE;
do
{
#ifdef _USE_MFSL
fsal_status = MFSL_readdir(&fsal_dirhandle,
begin_cookie,
pclient->attrmask,
FSAL_READDIR_SIZE * sizeof(fsal_dirent_t),
array_dirent,
&end_cookie,
&nbfound, &fsal_eod, &pclient->mfsl_context, NULL);
#else
fsal_status = FSAL_readdir(&fsal_dirhandle,
begin_cookie,
pclient->attrmask,
FSAL_READDIR_SIZE * sizeof(fsal_dirent_t),
array_dirent, &end_cookie, &nbfound, &fsal_eod);
#endif
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
return *pstatus;
}
for(iter = 0; iter < nbfound; iter++)
{
LogFullDebug(COMPONENT_NFS_READDIR,
"cache readdir populate found entry %s",
array_dirent[iter].name.name);
/* It is not needed to cache '.' and '..' */
if(!FSAL_namecmp(&(array_dirent[iter].name), (fsal_name_t *) & FSAL_DOT) ||
!FSAL_namecmp(&(array_dirent[iter].name), (fsal_name_t *) & FSAL_DOT_DOT))
{
LogFullDebug(COMPONENT_NFS_READDIR,
"cache readdir populate : do not cache . and ..");
continue;
}
/* If dir entry is a symbolic link, its content has to be read */
if((type =
cache_inode_fsal_type_convert(array_dirent[iter].attributes.type)) ==
SYMBOLIC_LINK)
{
#ifdef _USE_MFSL
mfsl_object_t tmp_mfsl;
#endif
/* Let's read the link for caching its value */
object_attributes.asked_attributes = pclient->attrmask;
if( CACHE_INODE_KEEP_CONTENT( pentry_dir->policy ) )
{
#ifdef _USE_MFSL
tmp_mfsl.handle = array_dirent[iter].handle;
fsal_status = MFSL_readlink(&tmp_mfsl,
pcontext,
&pclient->mfsl_context,
&create_arg.link_content, &object_attributes, NULL);
#else
fsal_status = FSAL_readlink(&array_dirent[iter].handle,
pcontext,
&create_arg.link_content, &object_attributes);
#endif
}
else
{
fsal_status.major = ERR_FSAL_NO_ERROR ;
fsal_status.minor = 0 ;
}
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
if(fsal_status.major == ERR_FSAL_STALE)
{
cache_inode_status_t kill_status;
LogEvent(COMPONENT_CACHE_INODE,
"cache_inode_readdir: Stale FSAL File Handle detected for pentry = %p, fsal_status=(%u,%u)",
pentry_dir, fsal_status.major, fsal_status.minor );
if(cache_inode_kill_entry(pentry_dir, WT_LOCK, ht, pclient, &kill_status) !=
CACHE_INODE_SUCCESS)
LogCrit(COMPONENT_CACHE_INODE,
"cache_inode_readdir: Could not kill entry %p, status = %u",
pentry_dir, kill_status);
*pstatus = CACHE_INODE_FSAL_ESTALE;
}
return *pstatus;
}
}
/* Try adding the entry, if it exists then this existing entry is
returned */
new_entry_fsdata.handle = array_dirent[iter].handle;
new_entry_fsdata.cookie = 0; /* XXX needed? */
if((pentry = cache_inode_new_entry( &new_entry_fsdata,
&array_dirent[iter].attributes,
type,
policy,
&create_arg,
NULL,
ht,
pclient,
pcontext,
FALSE, /* This is population and no creation */
pstatus)) == NULL)
return *pstatus;
cache_status = cache_inode_add_cached_dirent(
pentry_parent,
&(array_dirent[iter].name),
pentry,
ht,
&new_dir_entry,
pclient,
pcontext,
pstatus);
if(cache_status != CACHE_INODE_SUCCESS
&& cache_status != CACHE_INODE_ENTRY_EXISTS)
return *pstatus;
/*
* Remember the FSAL readdir cookie associated with this dirent. This
* is needed for partial directory reads.
*
* to_uint64 should be a lightweight operation--it is in the current
* default implementation. We think the right thing -should- happen
* therefore with if _USE_MFSL.
*
* I'm ignoring the status because the default operation is a memcmp--
* we lready -have- the cookie. */
if (cache_status != CACHE_INODE_ENTRY_EXISTS) {
(void) FSAL_cookie_to_uint64(&array_dirent[iter].handle,
pcontext, &array_dirent[iter].cookie,
&new_dir_entry->fsal_cookie);
/* we are filling in all entries, and the cookie avl was
* cleared before adding dirents */
new_dir_entry->cookie = i; /* still an offset */
(void) avltree_insert(&new_dir_entry->node_c,
&pentry_parent->object.dir.cookies);
} /* !exist */
} /* iter */
/* Get prepared for next step */
begin_cookie = end_cookie;
/* next offset */
i++;
}
while(fsal_eod != TRUE);
/* Close the directory */
#ifdef _USE_MFSL
fsal_status = MFSL_closedir(&fsal_dirhandle, &pclient->mfsl_context, NULL);
#else
fsal_status = FSAL_closedir(&fsal_dirhandle);
#endif
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
return *pstatus;
}
/* End of work */
pentry_dir->object.dir.has_been_readdir = CACHE_INODE_YES;
*pstatus = CACHE_INODE_SUCCESS;
return *pstatus;
} /* cache_inode_readdir_populate */
int nfs4_op_create(struct nfs_argop4 *op, compound_data_t * data, struct nfs_resop4 *resp)
{
cache_entry_t *pentry_parent = NULL;
cache_entry_t *pentry_new = NULL;
fsal_attrib_list_t attr_parent;
fsal_attrib_list_t attr_new;
fsal_attrib_list_t sattr;
fsal_handle_t *pnewfsal_handle = NULL;
nfs_fh4 newfh4;
cache_inode_status_t cache_status;
int convrc = 0;
fsal_accessmode_t mode = 0600;
fsal_name_t name;
cache_inode_create_arg_t create_arg;
char __attribute__ ((__unused__)) funcname[] = "nfs4_op_create";
unsigned int i = 0;
resp->resop = NFS4_OP_CREATE;
res_CREATE4.status = NFS4_OK;
/* If the filehandle is Empty */
if(nfs4_Is_Fh_Empty(&(data->currentFH)))
{
res_CREATE4.status = NFS4ERR_NOFILEHANDLE;
return res_CREATE4.status;
}
/* If the filehandle is invalid */
if(nfs4_Is_Fh_Invalid(&(data->currentFH)))
{
res_CREATE4.status = NFS4ERR_BADHANDLE;
return res_CREATE4.status;
}
/* Tests if the Filehandle is expired (for volatile filehandle) */
if(nfs4_Is_Fh_Expired(&(data->currentFH)))
{
res_CREATE4.status = NFS4ERR_FHEXPIRED;
return res_CREATE4.status;
}
/* Pseudo Fs is explictely a Read-Only File system */
if(nfs4_Is_Fh_Pseudo(&(data->currentFH)))
{
res_CREATE4.status = NFS4ERR_ROFS;
return res_CREATE4.status;
}
/* Ask only for supported attributes */
if(!nfs4_Fattr_Supported(&arg_CREATE4.createattrs))
{
res_CREATE4.status = NFS4ERR_ATTRNOTSUPP;
return res_CREATE4.status;
}
/* Do not use READ attr, use WRITE attr */
if(!nfs4_Fattr_Check_Access(&arg_CREATE4.createattrs, FATTR4_ATTR_WRITE))
{
res_CREATE4.status = NFS4ERR_INVAL;
return res_CREATE4.status;
}
/* Check for name to long */
if(arg_CREATE4.objname.utf8string_len > FSAL_MAX_NAME_LEN)
{
res_CREATE4.status = NFS4ERR_NAMETOOLONG;
return res_CREATE4.status;
}
/*
* This operation is used to create a non-regular file,
* this means: - a symbolic link
* - a block device file
* - a character device file
* - a socket file
* - a fifo
* - a directory
*
* You can't use this operation to create a regular file, you have to use NFS4_OP_OPEN for this
*/
/* Convert the UFT8 objname to a regular string */
if(arg_CREATE4.objname.utf8string_len == 0)
{
res_CREATE4.status = NFS4ERR_INVAL;
return res_CREATE4.status;
}
if(utf82str(name.name, &arg_CREATE4.objname) == -1)
{
res_CREATE4.status = NFS4ERR_INVAL;
return res_CREATE4.status;
}
name.len = strlen(name.name);
/* Sanuty check: never create a directory named '.' or '..' */
if(arg_CREATE4.objtype.type == NF4DIR)
{
if(!FSAL_namecmp(&name, (fsal_name_t *) & FSAL_DOT)
|| !FSAL_namecmp(&name, (fsal_name_t *) & FSAL_DOT_DOT))
{
res_CREATE4.status = NFS4ERR_BADNAME;
return res_CREATE4.status;
}
}
/* Filename should contain not slash */
for(i = 0; i < name.len; i++)
{
if(name.name[i] == '/')
{
res_CREATE4.status = NFS4ERR_BADCHAR;
return res_CREATE4.status;
}
}
/* Convert current FH into a cached entry, the current_pentry (assocated with the current FH will be used for this */
pentry_parent = data->current_entry;
/* The currentFH must point to a directory (objects are always created within a directory) */
if(data->current_filetype != DIR_BEGINNING && data->current_filetype != DIR_CONTINUE)
{
res_CREATE4.status = NFS4ERR_NOTDIR;
return res_CREATE4.status;
}
/* get attributes of parent directory, for 'change4' info replyed */
if((cache_status = cache_inode_getattr(pentry_parent,
&attr_parent,
data->ht,
data->pclient,
data->pcontext,
&cache_status)) != CACHE_INODE_SUCCESS)
{
res_CREATE4.status = nfs4_Errno(cache_status);
return res_CREATE4.status;
}
/* Change info for client cache coherency, pentry internal_md is used for that */
memset(&(res_CREATE4.CREATE4res_u.resok4.cinfo.before), 0, sizeof(changeid4));
res_CREATE4.CREATE4res_u.resok4.cinfo.before =
(changeid4) pentry_parent->internal_md.mod_time;
/* Convert the incoming fattr4 to a vattr structure, if such arguments are supplied */
if(arg_CREATE4.createattrs.attrmask.bitmap4_len != 0)
{
/* Arguments were supplied, extract them */
convrc = nfs4_Fattr_To_FSAL_attr(&sattr, &(arg_CREATE4.createattrs));
if(convrc == 0)
{
res_CREATE4.status = NFS4ERR_ATTRNOTSUPP;
return res_CREATE4.status;
}
if(convrc == -1)
{
res_CREATE4.status = NFS4ERR_BADXDR;
return res_CREATE4.status;
}
}
/* Create either a symbolic link or a directory */
switch (arg_CREATE4.objtype.type)
{
case NF4LNK:
/* Convert the name to link from into a regular string */
if(arg_CREATE4.objtype.createtype4_u.linkdata.utf8string_len == 0)
{
res_CREATE4.status = NFS4ERR_INVAL;
return res_CREATE4.status;
}
else
{
if(utf82str
(create_arg.link_content.path,
&arg_CREATE4.objtype.createtype4_u.linkdata) == -1)
{
res_CREATE4.status = NFS4ERR_INVAL;
return res_CREATE4.status;
}
create_arg.link_content.len = strlen(create_arg.link_content.path);
}
/* do the symlink operation */
if((pentry_new = cache_inode_create(pentry_parent,
&name,
SYMBOLIC_LINK,
mode,
&create_arg,
&attr_new,
data->ht,
data->pclient,
data->pcontext, &cache_status)) == NULL)
{
res_CREATE4.status = nfs4_Errno(cache_status);
return res_CREATE4.status;
}
/* If entry exists pentry_new is not null but cache_status was set */
if(cache_status == CACHE_INODE_ENTRY_EXISTS)
{
res_CREATE4.status = NFS4ERR_EXIST;
return res_CREATE4.status;
}
break;
case NF4DIR:
/* Create a new directory */
/* do the symlink operation */
if((pentry_new = cache_inode_create(pentry_parent,
&name,
DIR_BEGINNING,
mode,
&create_arg,
&attr_new,
data->ht,
data->pclient,
data->pcontext, &cache_status)) == NULL)
{
res_CREATE4.status = nfs4_Errno(cache_status);
return res_CREATE4.status;
}
/* If entry exists pentry_new is not null but cache_status was set */
if(cache_status == CACHE_INODE_ENTRY_EXISTS)
{
res_CREATE4.status = NFS4ERR_EXIST;
return res_CREATE4.status;
}
break;
case NF4SOCK:
/* Create a new socket file */
if((pentry_new = cache_inode_create(pentry_parent,
&name,
SOCKET_FILE,
mode,
NULL,
&attr_new,
data->ht,
data->pclient,
data->pcontext, &cache_status)) == NULL)
{
res_CREATE4.status = nfs4_Errno(cache_status);
return res_CREATE4.status;
}
/* If entry exists pentry_new is not null but cache_status was set */
if(cache_status == CACHE_INODE_ENTRY_EXISTS)
{
res_CREATE4.status = NFS4ERR_EXIST;
return res_CREATE4.status;
}
break;
case NF4FIFO:
/* Create a new socket file */
if((pentry_new = cache_inode_create(pentry_parent,
&name,
FIFO_FILE,
mode,
NULL,
&attr_new,
data->ht,
data->pclient,
data->pcontext, &cache_status)) == NULL)
{
res_CREATE4.status = nfs4_Errno(cache_status);
return res_CREATE4.status;
}
/* If entry exists pentry_new is not null but cache_status was set */
if(cache_status == CACHE_INODE_ENTRY_EXISTS)
{
res_CREATE4.status = NFS4ERR_EXIST;
return res_CREATE4.status;
}
break;
case NF4CHR:
create_arg.dev_spec.major = arg_CREATE4.objtype.createtype4_u.devdata.specdata1;
create_arg.dev_spec.minor = arg_CREATE4.objtype.createtype4_u.devdata.specdata2;
/* Create a new socket file */
if((pentry_new = cache_inode_create(pentry_parent,
&name,
CHARACTER_FILE,
mode,
&create_arg,
&attr_new,
data->ht,
data->pclient,
data->pcontext, &cache_status)) == NULL)
{
res_CREATE4.status = nfs4_Errno(cache_status);
return res_CREATE4.status;
}
/* If entry exists pentry_new is not null but cache_status was set */
if(cache_status == CACHE_INODE_ENTRY_EXISTS)
{
res_CREATE4.status = NFS4ERR_EXIST;
return res_CREATE4.status;
}
break;
case NF4BLK:
create_arg.dev_spec.major = arg_CREATE4.objtype.createtype4_u.devdata.specdata1;
create_arg.dev_spec.minor = arg_CREATE4.objtype.createtype4_u.devdata.specdata2;
/* Create a new socket file */
if((pentry_new = cache_inode_create(pentry_parent,
&name,
BLOCK_FILE,
mode,
&create_arg,
&attr_new,
data->ht,
data->pclient,
data->pcontext, &cache_status)) == NULL)
{
res_CREATE4.status = nfs4_Errno(cache_status);
return res_CREATE4.status;
}
/* If entry exists pentry_new is not null but cache_status was set */
if(cache_status == CACHE_INODE_ENTRY_EXISTS)
{
res_CREATE4.status = NFS4ERR_EXIST;
return res_CREATE4.status;
}
break;
default:
/* Should never happen, but return NFS4ERR_BADTYPE in this case */
res_CREATE4.status = NFS4ERR_BADTYPE;
return res_CREATE4.status;
break;
} /* switch( arg_CREATE4.objtype.type ) */
/* Now produce the filehandle to this file */
if((pnewfsal_handle = cache_inode_get_fsal_handle(pentry_new, &cache_status)) == NULL)
{
res_CREATE4.status = nfs4_Errno(cache_status);
return res_CREATE4.status;
}
/* Allocation of a new file handle */
if(nfs4_AllocateFH(&newfh4) != NFS4_OK)
{
res_CREATE4.status = NFS4ERR_SERVERFAULT;
return res_CREATE4.status;
}
/* Building the new file handle */
if(!nfs4_FSALToFhandle(&newfh4, pnewfsal_handle, data))
{
res_CREATE4.status = NFS4ERR_SERVERFAULT;
return res_CREATE4.status;
}
/* This new fh replaces the current FH */
data->currentFH.nfs_fh4_len = newfh4.nfs_fh4_len;
memcpy(data->currentFH.nfs_fh4_val, newfh4.nfs_fh4_val, newfh4.nfs_fh4_len);
/* No do not need newfh any more */
Mem_Free((char *)newfh4.nfs_fh4_val);
/* Set the mode if requested */
/* Use the same fattr mask for reply, if one attribute was not settable, NFS4ERR_ATTRNOTSUPP was replyied */
res_CREATE4.CREATE4res_u.resok4.attrset.bitmap4_len =
arg_CREATE4.createattrs.attrmask.bitmap4_len;
if(arg_CREATE4.createattrs.attrmask.bitmap4_len != 0)
{
if((cache_status = cache_inode_setattr(pentry_new,
&sattr,
data->ht,
data->pclient,
data->pcontext,
&cache_status)) != CACHE_INODE_SUCCESS)
{
res_CREATE4.status = nfs4_Errno(cache_status);
return res_CREATE4.status;
}
/* Allocate a new bitmap */
res_CREATE4.CREATE4res_u.resok4.attrset.bitmap4_val =
(unsigned int *)Mem_Alloc(res_CREATE4.CREATE4res_u.resok4.attrset.bitmap4_len *
sizeof(u_int));
if(res_CREATE4.CREATE4res_u.resok4.attrset.bitmap4_val == NULL)
{
res_CREATE4.status = NFS4ERR_SERVERFAULT;
return res_CREATE4.status;
}
memset(res_CREATE4.CREATE4res_u.resok4.attrset.bitmap4_val, 0,
res_CREATE4.CREATE4res_u.resok4.attrset.bitmap4_len);
memcpy(res_CREATE4.CREATE4res_u.resok4.attrset.bitmap4_val,
arg_CREATE4.createattrs.attrmask.bitmap4_val,
res_CREATE4.CREATE4res_u.resok4.attrset.bitmap4_len * sizeof(u_int));
}
/* Get the change info on parent directory after the operation was successfull */
if((cache_status = cache_inode_getattr(pentry_parent,
&attr_parent,
data->ht,
data->pclient,
data->pcontext,
&cache_status)) != CACHE_INODE_SUCCESS)
{
res_CREATE4.status = nfs4_Errno(cache_status);
return res_CREATE4.status;
}
memset(&(res_CREATE4.CREATE4res_u.resok4.cinfo.after), 0, sizeof(changeid4));
res_CREATE4.CREATE4res_u.resok4.cinfo.after =
(changeid4) pentry_parent->internal_md.mod_time;
/* Operation is supposed to be atomic .... */
res_CREATE4.CREATE4res_u.resok4.cinfo.atomic = TRUE;
LogFullDebug(COMPONENT_NFS_V4, " CREATE CINFO before = %llu after = %llu atomic = %d\n",
res_CREATE4.CREATE4res_u.resok4.cinfo.before,
res_CREATE4.CREATE4res_u.resok4.cinfo.after,
res_CREATE4.CREATE4res_u.resok4.cinfo.atomic);
/* @todo : BUGAZOMEU: fair ele free dans cette fonction */
/* Keep the vnode entry for the file in the compound data */
data->current_entry = pentry_new;
data->current_filetype = pentry_new->internal_md.type;
/* If you reach this point, then no error occured */
res_CREATE4.status = NFS4_OK;
return res_CREATE4.status;
} /* nfs4_op_create */
int nfs4_op_rename(struct nfs_argop4 *op, compound_data_t * data, struct nfs_resop4 *resp)
{
char __attribute__ ((__unused__)) funcname[] = "nfs4_op_rename";
cache_entry_t * dst_entry = NULL;
cache_entry_t * src_entry = NULL;
cache_entry_t * tst_entry_dst = NULL;
cache_entry_t * tst_entry_src = NULL;
fsal_attrib_list_t attr_dst;
fsal_attrib_list_t attr_src;
fsal_attrib_list_t attr_tst_dst;
fsal_attrib_list_t attr_tst_src;
cache_inode_status_t cache_status;
fsal_status_t fsal_status;
fsal_handle_t * handlenew = NULL;
fsal_handle_t * handleold = NULL;
fsal_name_t oldname;
fsal_name_t newname;
resp->resop = NFS4_OP_RENAME;
res_RENAME4.status = NFS4_OK;
/* Do basic checks on a filehandle */
res_RENAME4.status = nfs4_sanity_check_FH(data, 0LL);
if(res_RENAME4.status != NFS4_OK)
return res_RENAME4.status;
/* Do basic checks on saved filehandle */
/* If there is no FH */
if(nfs4_Is_Fh_Empty(&(data->savedFH)))
{
res_RENAME4.status = NFS4ERR_NOFILEHANDLE;
return res_RENAME4.status;
}
/* If the filehandle is invalid */
if(nfs4_Is_Fh_Invalid(&(data->savedFH)))
{
res_RENAME4.status = NFS4ERR_BADHANDLE;
return res_RENAME4.status;
}
/* Tests if the Filehandle is expired (for volatile filehandle) */
if(nfs4_Is_Fh_Expired(&(data->savedFH)))
{
res_RENAME4.status = NFS4ERR_FHEXPIRED;
return res_RENAME4.status;
}
/* Pseudo Fs is explictely a Read-Only File system */
if(nfs4_Is_Fh_Pseudo(&(data->savedFH)))
{
res_RENAME4.status = NFS4ERR_ROFS;
return res_RENAME4.status;
}
if (nfs_in_grace())
{
res_RENAME4.status = NFS4ERR_GRACE;
return res_RENAME4.status;
}
/* get the names from the RPC input */
cache_status = utf8_to_name(&arg_RENAME4.oldname, &oldname);
if(cache_status != CACHE_INODE_SUCCESS)
{
res_RENAME4.status = nfs4_Errno(cache_status);
return res_RENAME4.status;
}
cache_status = utf8_to_name(&arg_RENAME4.newname, &newname);
if(cache_status != CACHE_INODE_SUCCESS)
{
res_RENAME4.status = nfs4_Errno(cache_status);
return res_RENAME4.status;
}
/* Sanuty check: never rename to '.' or '..' */
if(!FSAL_namecmp(&newname, (fsal_name_t *) & FSAL_DOT)
|| !FSAL_namecmp(&newname, (fsal_name_t *) & FSAL_DOT_DOT))
{
res_RENAME4.status = NFS4ERR_BADNAME;
return res_RENAME4.status;
}
/* Sanuty check: never rename to '.' or '..' */
if(!FSAL_namecmp(&oldname, (fsal_name_t *) & FSAL_DOT)
|| !FSAL_namecmp(&oldname, (fsal_name_t *) & FSAL_DOT_DOT))
{
res_RENAME4.status = NFS4ERR_BADNAME;
return res_RENAME4.status;
}
/*
* This operation renames
* - the object in directory pointed by savedFH, named arg_RENAME4.oldname
* into
* - an object in directory pointed by currentFH, named arg_RENAME4.newname
*
* Because of this, we will use 2 entry and we have verified both currentFH and savedFH */
/* No Cross Device */
if(((file_handle_v4_t *) (data->currentFH.nfs_fh4_val))->exportid !=
((file_handle_v4_t *) (data->savedFH.nfs_fh4_val))->exportid)
{
res_RENAME4.status = NFS4ERR_XDEV;
return res_RENAME4.status;
}
/* destination must be a directory */
dst_entry = data->current_entry;
if(data->current_filetype != DIRECTORY)
{
res_RENAME4.status = NFS4ERR_NOTDIR;
return res_RENAME4.status;
}
/* Convert saved FH into a vnode */
src_entry = data->saved_entry;
/* Source must be a directory */
if(data->saved_filetype != DIRECTORY)
{
res_RENAME4.status = NFS4ERR_NOTDIR;
return res_RENAME4.status;
}
/* Renaming a file to himself is allowed, returns NFS4_OK */
if(src_entry == dst_entry)
{
if(!FSAL_namecmp(&oldname, &newname))
{
res_RENAME4.status = NFS4_OK;
return res_RENAME4.status;
}
}
/* For the change_info4, get the 'change' attributes for both directories */
if((cache_status = cache_inode_getattr(src_entry,
&attr_src,
data->pcontext,
&cache_status)) != CACHE_INODE_SUCCESS)
{
res_RENAME4.status = nfs4_Errno(cache_status);
return res_RENAME4.status;
}
#ifdef BUGAZOMEU
/* Ne devrait pas se produire dans le cas de exportid differents */
/* Both object must resides on the same filesystem, return NFS4ERR_XDEV if not */
if(attr_src.va_rdev != attr_dst.va_rdev)
{
res_RENAME4.status = NFS4ERR_XDEV;
return res_RENAME4.status;
}
#endif
/* Lookup oldfile to see if it exists (refcount +1) */
if((tst_entry_src = cache_inode_lookup(src_entry,
&oldname,
&attr_tst_src,
data->pcontext,
&cache_status)) == NULL)
{
res_RENAME4.status = nfs4_Errno(cache_status);
goto release;
}
/* Lookup file with new name to see if it already exists (refcount +1),
* I expect to get NO_ERROR or ENOENT, anything else means an error */
tst_entry_dst = cache_inode_lookup(dst_entry,
&newname,
&attr_tst_dst,
data->pcontext,
&cache_status);
if((cache_status != CACHE_INODE_SUCCESS) &&
(cache_status != CACHE_INODE_NOT_FOUND))
{
/* Unexpected status at this step, exit with an error */
res_RENAME4.status = nfs4_Errno(cache_status);
goto release;
}
if(cache_status == CACHE_INODE_NOT_FOUND)
tst_entry_dst = NULL; /* Just to make sure */
/* Renaming a file to one of its own hardlink is allowed, return NFS4_OK */
if(tst_entry_src == tst_entry_dst) {
res_RENAME4.status = NFS4_OK;
goto release;
}
/* Renaming dir into existing file should return NFS4ERR_EXIST */
if ((tst_entry_src->type == DIRECTORY) &&
((tst_entry_dst != NULL) &&
(tst_entry_dst->type == REGULAR_FILE)))
{
res_RENAME4.status = NFS4ERR_EXIST;
goto release;
}
/* Renaming file into existing dir should return NFS4ERR_EXIST */
if(tst_entry_src->type == REGULAR_FILE)
{
if(tst_entry_dst != NULL)
{
if(tst_entry_dst->type == DIRECTORY)
{
res_RENAME4.status = NFS4ERR_EXIST;
goto release;
}
}
}
/* Renaming dir1 into existing, nonempty dir2 should return NFS4ERR_EXIST
* Renaming file into existing, nonempty dir should return NFS4ERR_EXIST */
if(tst_entry_dst != NULL)
{
if((tst_entry_dst->type == DIRECTORY)
&& ((tst_entry_src->type == DIRECTORY)
|| (tst_entry_src->type == REGULAR_FILE)))
{
if(cache_inode_is_dir_empty_WithLock(tst_entry_dst) ==
CACHE_INODE_DIR_NOT_EMPTY)
{
res_RENAME4.status = NFS4ERR_EXIST;
goto release;
}
}
}
res_RENAME4.RENAME4res_u.resok4.source_cinfo.before
= cache_inode_get_changeid4(src_entry);
res_RENAME4.RENAME4res_u.resok4.target_cinfo.before
= cache_inode_get_changeid4(dst_entry);
if(cache_status == CACHE_INODE_SUCCESS)
{
/* New entry already exists, its attributes are in attr_tst_*,
check for old entry to see if types are compatible */
handlenew = &tst_entry_dst->handle;
handleold = &tst_entry_src->handle;
if(!FSAL_handlecmp(handlenew, handleold, &fsal_status))
{
/* For the change_info4, get the 'change' attributes for both directories */
res_RENAME4.RENAME4res_u.resok4.source_cinfo.before
= cache_inode_get_changeid4(src_entry);
res_RENAME4.RENAME4res_u.resok4.target_cinfo.before
= cache_inode_get_changeid4(dst_entry);
res_RENAME4.RENAME4res_u.resok4.target_cinfo.atomic = FALSE;
res_RENAME4.RENAME4res_u.resok4.source_cinfo.atomic = FALSE;
res_RENAME4.status = NFS4_OK;
goto release;
}
else
{
/* Destination exists and is something different from source */
if(( tst_entry_src->type == REGULAR_FILE &&
tst_entry_dst->type == REGULAR_FILE ) ||
( tst_entry_src->type == DIRECTORY &&
tst_entry_dst->type == DIRECTORY ))
{
if(cache_inode_rename(src_entry,
&oldname,
dst_entry,
&newname,
&attr_src,
&attr_dst,
data->pcontext, &cache_status) != CACHE_INODE_SUCCESS)
{
res_RENAME4.status = nfs4_Errno(cache_status);
goto release;
}
}
else
{
res_RENAME4.status = NFS4ERR_EXIST;
goto release;
}
}
}
else
{
/* New entry does not already exist, call cache_entry_rename */
if(cache_inode_rename(src_entry,
&oldname,
dst_entry,
&newname,
&attr_src,
&attr_dst,
data->pcontext, &cache_status) != CACHE_INODE_SUCCESS)
{
res_RENAME4.status = nfs4_Errno(cache_status);
goto release;
}
}
/* If you reach this point, then everything was alright */
/* For the change_info4, get the 'change' attributes for both directories */
res_RENAME4.RENAME4res_u.resok4.source_cinfo.after =
cache_inode_get_changeid4(src_entry);
res_RENAME4.RENAME4res_u.resok4.target_cinfo.after =
cache_inode_get_changeid4(dst_entry);
res_RENAME4.RENAME4res_u.resok4.target_cinfo.atomic = FALSE;
res_RENAME4.RENAME4res_u.resok4.source_cinfo.atomic = FALSE;
res_RENAME4.status = nfs4_Errno(cache_status);
release:
if (tst_entry_src)
(void) cache_inode_put(tst_entry_src);
if (tst_entry_dst)
(void) cache_inode_put(tst_entry_dst);
return (res_RENAME4.status);
} /* nfs4_op_rename */
int nfs4_op_remove(struct nfs_argop4 *op, compound_data_t * data, struct nfs_resop4 *resp)
{
char __attribute__ ((__unused__)) funcname[] = "nfs4_op_remove";
cache_entry_t * parent_entry = NULL;
fsal_attrib_list_t attr_parent;
fsal_name_t name;
cache_inode_status_t cache_status;
resp->resop = NFS4_OP_REMOVE;
res_REMOVE4.status = NFS4_OK;
/*
* Do basic checks on a filehandle
* Delete arg_REMOVE4.target in directory pointed by currentFH
* Make sure the currentFH is pointed a directory
*/
res_REMOVE4.status = nfs4_sanity_check_FH(data, DIRECTORY);
if(res_REMOVE4.status != NFS4_OK)
return res_REMOVE4.status;
/* Pseudo Fs is explictely a Read-Only File system */
if(nfs4_Is_Fh_Pseudo(&(data->currentFH)))
{
res_REMOVE4.status = NFS4ERR_ROFS;
return res_REMOVE4.status;
}
if (nfs_in_grace())
{
res_REMOVE4.status = NFS4ERR_GRACE;
return res_REMOVE4.status;
}
/* If Filehandle points to a xattr object, manage it via the xattrs specific functions */
if(nfs4_Is_Fh_Xattr(&(data->currentFH)))
return nfs4_op_remove_xattr(op, data, resp);
/* Get the parent entry (aka the current one in the compound data) */
parent_entry = data->current_entry;
/* We have to keep track of the 'change' file attribute for reply structure */
memset(&(res_REMOVE4.REMOVE4res_u.resok4.cinfo.before), 0, sizeof(changeid4));
res_REMOVE4.REMOVE4res_u.resok4.cinfo.before =
cache_inode_get_changeid4(parent_entry);
/* Check for name length */
if(arg_REMOVE4.target.utf8string_len > FSAL_MAX_NAME_LEN)
{
res_REMOVE4.status = NFS4ERR_NAMETOOLONG;
return res_REMOVE4.status;
}
/* get the filename from the argument, it should not be empty */
if(arg_REMOVE4.target.utf8string_len == 0)
{
res_REMOVE4.status = NFS4ERR_INVAL;
return res_REMOVE4.status;
}
/* NFS4_OP_REMOVE can delete files as well as directory, it replaces NFS3_RMDIR and NFS3_REMOVE
* because of this, we have to know if object is a directory or not */
if((cache_status =
cache_inode_error_convert(FSAL_buffdesc2name
((fsal_buffdesc_t *) & arg_REMOVE4.target,
&name))) != CACHE_INODE_SUCCESS)
{
res_REMOVE4.status = nfs4_Errno(cache_status);
return res_REMOVE4.status;
}
/* Test RM7: remiving '.' should return NFS4ERR_BADNAME */
if(!FSAL_namecmp(&name, (fsal_name_t *) & FSAL_DOT)
|| !FSAL_namecmp(&name, (fsal_name_t *) & FSAL_DOT_DOT))
{
res_REMOVE4.status = NFS4ERR_BADNAME;
return res_REMOVE4.status;
}
if((cache_status = cache_inode_remove(parent_entry,
&name,
&attr_parent,
data->pcontext,
&cache_status)) != CACHE_INODE_SUCCESS)
{
res_REMOVE4.status = nfs4_Errno(cache_status);
return res_REMOVE4.status;
}
res_REMOVE4.REMOVE4res_u.resok4.cinfo.after
= cache_inode_get_changeid4(parent_entry);
/* Operation was not atomic .... */
res_REMOVE4.REMOVE4res_u.resok4.cinfo.atomic = FALSE;
/* If you reach this point, everything was ok */
res_REMOVE4.status = NFS4_OK;
return NFS4_OK;
} /* nfs4_op_remove */
/**
* @brief Get the handle of a file from a fsal_posixdb_child array, knowing its name
*
* @param p_context
* @param p_parent_dir_handle
* Handle of the parent directory
* @param p_fsalname
* Name of the object
* @param p_infofs
* Information about the file (taken from the filesystem) to be compared to information stored in database
* @param p_children
* fsal_posixdb_child array (that contains the entries of the directory stored in the db)
* @param p_object_handle
* Handle of the file.
*
* @return
* ERR_FSAL_NOERR, if no error
* Anothere error code else.
*/
fsal_status_t fsal_internal_getInfoFromChildrenList(posixfsal_op_context_t * p_context, /* IN */
posixfsal_handle_t * p_parent_dir_handle, /* IN */
fsal_name_t * p_fsalname, /* IN */
fsal_posixdb_fileinfo_t * p_infofs, /* IN */
fsal_posixdb_child * p_children, /* IN */
unsigned int children_count, /* IN */
posixfsal_handle_t * p_object_handle) /* OUT */
{
fsal_posixdb_status_t stdb;
fsal_status_t st;
int cmp = -1; /* when no children is available */
unsigned int count;
/* sanity check */
if(!p_context || !p_parent_dir_handle || !p_fsalname || (!p_children && children_count)
|| !p_object_handle)
ReturnCode(ERR_FSAL_FAULT, 0);
/* check if the filename is in the list */
for(count = 0; count < children_count; count++)
{
cmp = FSAL_namecmp(p_fsalname, &(p_children[count].name));
if(!cmp)
break;
/* maybe a sorted list could give better result */
}
switch (cmp)
{
case 0:
/* Entry found : check consistency */
if(fsal_posixdb_consistency_check(&(p_children[count].handle.data.info), p_infofs))
{
/* Entry not consistent */
/* Delete the Handle entry, then add a new one (with a Parent entry) */
stdb =
fsal_posixdb_deleteHandle(p_context->p_conn, &(p_children[count].handle));
if(FSAL_POSIXDB_IS_ERROR(stdb) && FSAL_IS_ERROR(st = posixdb2fsal_error(stdb)))
return st;
/* don't break, add a new entry */
}
else
{
memcpy(p_object_handle, &(p_children[count].handle),
sizeof(posixfsal_handle_t));
break;
}
default:
/* not found ! Add it */
st = fsal_internal_posixdb_add_entry(p_context->p_conn,
p_fsalname,
p_infofs,
p_parent_dir_handle, p_object_handle);
if(FSAL_IS_ERROR(st))
return st;
}
ReturnCode(ERR_FSAL_NO_ERROR, 0);
}
int nfs_Rename(nfs_arg_t * parg /* IN */ ,
exportlist_t * pexport /* IN */ ,
fsal_op_context_t * pcontext /* IN */ ,
cache_inode_client_t * pclient /* IN */ ,
hash_table_t * ht /* INOUT */ ,
struct svc_req *preq /* IN */ ,
nfs_res_t * pres /* OUT */ )
{
static char __attribute__ ((__unused__)) funcName[] = "nfs_Rename";
char *str_entry_name = NULL;
fsal_name_t entry_name;
char *str_new_entry_name = NULL;
fsal_name_t new_entry_name;
cache_entry_t *pentry = NULL;
cache_entry_t *new_pentry = NULL;
cache_entry_t *parent_pentry = NULL;
cache_entry_t *new_parent_pentry = NULL;
cache_entry_t *should_not_exists = NULL;
cache_entry_t *should_exists = NULL;
cache_inode_status_t cache_status;
int rc;
fsal_attrib_list_t *ppre_attr;
fsal_attrib_list_t pre_attr;
fsal_attrib_list_t *pnew_pre_attr;
fsal_attrib_list_t new_attr;
fsal_attrib_list_t new_parent_attr;
fsal_attrib_list_t attr;
fsal_attrib_list_t tst_attr;
cache_inode_file_type_t parent_filetype;
cache_inode_file_type_t new_parent_filetype;
if(preq->rq_vers == NFS_V3)
{
/* to avoid setting it on each error case */
pres->res_rename3.RENAME3res_u.resfail.fromdir_wcc.before.attributes_follow = FALSE;
pres->res_rename3.RENAME3res_u.resfail.fromdir_wcc.after.attributes_follow = FALSE;
pres->res_rename3.RENAME3res_u.resfail.todir_wcc.before.attributes_follow = FALSE;
pres->res_rename3.RENAME3res_u.resfail.todir_wcc.after.attributes_follow = FALSE;
ppre_attr = NULL;
pnew_pre_attr = NULL;
}
/* Convert fromdir file handle into a cache_entry */
if((parent_pentry = nfs_FhandleToCache(preq->rq_vers,
&(parg->arg_rename2.from.dir),
&(parg->arg_rename3.from.dir),
NULL,
&(pres->res_dirop2.status),
&(pres->res_create3.status),
NULL,
&pre_attr, pcontext, pclient, ht, &rc)) == NULL)
{
/* Stale NFS FH ? */
return rc;
}
/* Convert todir file handle into a cache_entry */
if((new_parent_pentry = nfs_FhandleToCache(preq->rq_vers,
&(parg->arg_rename2.to.dir),
&(parg->arg_rename3.to.dir),
NULL,
&(pres->res_dirop2.status),
&(pres->res_create3.status),
NULL,
&new_parent_attr,
pcontext, pclient, ht, &rc)) == NULL)
{
/* Stale NFS FH ? */
return rc;
}
/* get the attr pointers */
ppre_attr = &pre_attr;
pnew_pre_attr = &new_parent_attr;
/* Get the filetypes */
parent_filetype = cache_inode_fsal_type_convert(pre_attr.type);
new_parent_filetype = cache_inode_fsal_type_convert(new_parent_attr.type);
/*
* Sanity checks: we must manage directories
*/
if((parent_filetype != DIR_BEGINNING && parent_filetype != DIR_CONTINUE) ||
(new_parent_filetype != DIR_BEGINNING && new_parent_filetype != DIR_CONTINUE))
{
switch (preq->rq_vers)
{
case NFS_V2:
pres->res_stat2 = NFSERR_NOTDIR;
break;
case NFS_V3:
pres->res_rename3.status = NFS3ERR_NOTDIR;
break;
}
return NFS_REQ_OK;
}
switch (preq->rq_vers)
{
case NFS_V2:
str_entry_name = parg->arg_rename2.from.name;
str_new_entry_name = parg->arg_rename2.to.name;
break;
case NFS_V3:
str_entry_name = parg->arg_rename3.from.name;
str_new_entry_name = parg->arg_rename3.to.name;
break;
}
pentry = new_pentry = NULL;
if(str_entry_name == NULL ||
strlen(str_entry_name) == 0 ||
str_new_entry_name == NULL ||
strlen(str_new_entry_name) == 0 ||
FSAL_IS_ERROR(FSAL_str2name(str_entry_name, FSAL_MAX_NAME_LEN, &entry_name)) ||
FSAL_IS_ERROR(FSAL_str2name(str_new_entry_name, FSAL_MAX_NAME_LEN, &new_entry_name)))
{
cache_status = CACHE_INODE_INVALID_ARGUMENT;
}
else
{
/*
* Lookup file to see if new entry exists
*
*/
should_not_exists = cache_inode_lookup(new_parent_pentry,
&new_entry_name,
&tst_attr,
ht, pclient, pcontext, &cache_status);
if(cache_status == CACHE_INODE_NOT_FOUND)
{
/* We need to lookup over the old entry also */
should_exists = cache_inode_lookup(parent_pentry,
&entry_name,
&tst_attr,
ht, pclient, pcontext, &cache_status);
/* Rename entry */
if(cache_status == CACHE_INODE_SUCCESS)
cache_inode_rename(parent_pentry,
&entry_name,
new_parent_pentry,
&new_entry_name,
&attr, &new_attr, ht, pclient, pcontext, &cache_status);
if(cache_status == CACHE_INODE_SUCCESS)
{
switch (preq->rq_vers)
{
case NFS_V2:
pres->res_stat2 = NFS_OK;
break;
case NFS_V3:
/*
* Build Weak Cache Coherency
* data
*/
nfs_SetWccData(pcontext, pexport,
parent_pentry,
ppre_attr,
&attr,
&(pres->res_rename3.RENAME3res_u.resok.fromdir_wcc));
nfs_SetWccData(pcontext, pexport,
new_parent_pentry,
pnew_pre_attr,
&new_attr,
&(pres->res_rename3.RENAME3res_u.resok.todir_wcc));
pres->res_rename3.status = NFS3_OK;
break;
}
return NFS_REQ_OK;
}
}
else
{
/* If name are the same (basically renaming a/file1 to a/file1, this is a non-erroneous situation to be managed */
if(new_parent_pentry == parent_pentry)
{
if(!FSAL_namecmp(&new_entry_name, &entry_name))
{
/* trying to rename a file to himself, this is allowed */
cache_status = CACHE_INODE_SUCCESS;
switch (preq->rq_vers)
{
case NFS_V2:
pres->res_stat2 = NFS_OK;
break;
case NFS_V3:
/*
* Build Weak Cache Coherency
* data
*/
nfs_SetWccData(pcontext, pexport,
parent_pentry,
ppre_attr,
&attr,
&(pres->res_rename3.RENAME3res_u.resok.fromdir_wcc));
nfs_SetWccData(pcontext, pexport,
parent_pentry,
ppre_attr,
&attr,
&(pres->res_rename3.RENAME3res_u.resok.todir_wcc));
pres->res_rename3.status = NFS3_OK;
break;
}
return NFS_REQ_OK;
}
}
/* New entry already exists. In this case (see RFC), entry should be compatible: Both are non-directories or
* both are directories and 'todir' is empty. If compatible, old 'todir' entry is scratched, if not returns EEXISTS */
if(should_not_exists != NULL)
{
/* We need to lookup over the old entry also */
if((should_exists = cache_inode_lookup(parent_pentry,
&entry_name,
&tst_attr,
ht,
pclient,
pcontext, &cache_status)) != NULL)
{
if(cache_inode_type_are_rename_compatible
(should_exists, should_not_exists))
{
/* Remove the old entry before renaming it */
if(cache_inode_remove(new_parent_pentry,
&new_entry_name,
&tst_attr,
ht,
pclient,
pcontext,
&cache_status) == CACHE_INODE_SUCCESS)
{
if(cache_inode_rename(parent_pentry,
&entry_name,
new_parent_pentry,
&new_entry_name,
&attr,
&new_attr,
ht,
pclient,
pcontext,
&cache_status) == CACHE_INODE_SUCCESS)
{
/* trying to rename a file to himself, this is allowed */
switch (preq->rq_vers)
{
case NFS_V2:
pres->res_stat2 = NFS_OK;
break;
case NFS_V3:
/*
* Build Weak Cache Coherency
* data
*/
nfs_SetWccData(pcontext, pexport,
parent_pentry,
ppre_attr,
&attr,
&(pres->res_rename3.RENAME3res_u.resok.
fromdir_wcc));
nfs_SetWccData(pcontext, pexport,
parent_pentry,
ppre_attr,
&attr,
&(pres->res_rename3.RENAME3res_u.resok.
todir_wcc));
pres->res_rename3.status = NFS3_OK;
break;
}
return NFS_REQ_OK;
}
}
}
} /* if( cache_inode_type_are_rename_compatible( should_exists, should_not_exists ) ) */
}
/* if( ( should_exists = cache_inode_lookup( parent_pentry, .... */
/* If this point is reached, then destination object already exists with that name in the directory
and types are not compatible, we should return that the file exists */
cache_status = CACHE_INODE_ENTRY_EXISTS;
} /* if( should_not_exists != NULL ) */
}
/* If we are here, there was an error */
if(nfs_RetryableError(cache_status))
{
return NFS_REQ_DROP;
}
nfs_SetFailedStatus(pcontext, pexport,
preq->rq_vers,
cache_status,
&pres->res_stat2,
&pres->res_rename3.status,
NULL, NULL,
parent_pentry,
ppre_attr,
&(pres->res_rename3.RENAME3res_u.resfail.fromdir_wcc),
new_parent_pentry,
pnew_pre_attr, &(pres->res_rename3.RENAME3res_u.resfail.todir_wcc));
return NFS_REQ_OK;
} /* nfs_Rename */
