cache_entry_t *
cache_inode_create(cache_entry_t *parent,
fsal_name_t *name,
cache_inode_file_type_t type,
fsal_accessmode_t mode,
cache_inode_create_arg_t *create_arg,
fsal_attrib_list_t *attr,
fsal_op_context_t *context,
cache_inode_status_t *status)
{
cache_entry_t *entry = NULL;
fsal_status_t fsal_status = {0, 0};
fsal_handle_t object_handle;
fsal_attrib_list_t object_attributes;
cache_inode_fsal_data_t fsal_data;
cache_inode_create_arg_t zero_create_arg;
memset(&zero_create_arg, 0, sizeof(zero_create_arg));
memset(&fsal_data, 0, sizeof(fsal_data));
memset(&object_handle, 0, sizeof(object_handle));
if (create_arg == NULL) {
create_arg = &zero_create_arg;
}
/* Set the return default to CACHE_INODE_SUCCESS */
*status = CACHE_INODE_SUCCESS;
if ((type != REGULAR_FILE) && (type != DIRECTORY) &&
(type != SYMBOLIC_LINK) && (type != SOCKET_FILE) &&
(type != FIFO_FILE) && (type != CHARACTER_FILE) &&
(type != BLOCK_FILE)) {
*status = CACHE_INODE_BAD_TYPE;
entry = NULL;
goto out;
}
/* Check if an entry of the same name exists */
entry = cache_inode_lookup(parent,
name,
attr,
context,
status);
if (entry != NULL) {
*status = CACHE_INODE_ENTRY_EXISTS;
if (entry->type != type) {
/* Incompatible types, returns NULL */
cache_inode_lru_unref(entry, LRU_FLAG_NONE);
entry = NULL;
goto out;
} else {
goto out;
}
}
/* The entry doesn't exist, so we can create it. */
object_attributes.asked_attributes = cache_inode_params.attrmask;
switch (type) {
case REGULAR_FILE:
fsal_status = FSAL_create(&parent->handle,
name, context, mode,
&object_handle, &object_attributes);
break;
case DIRECTORY:
fsal_status = FSAL_mkdir(&parent->handle,
name, context, mode,
&object_handle, &object_attributes);
break;
case SYMBOLIC_LINK:
fsal_status = FSAL_symlink(&parent->handle,
name, &create_arg->link_content,
context, mode, &object_handle,
&object_attributes);
break;
case SOCKET_FILE:
fsal_status = FSAL_mknode(&parent->handle, name, context,
mode, FSAL_TYPE_SOCK, NULL,
&object_handle, &object_attributes);
break;
case FIFO_FILE:
fsal_status = FSAL_mknode(&parent->handle, name, context,
mode, FSAL_TYPE_FIFO, NULL,
&object_handle, &object_attributes);
break;
case BLOCK_FILE:
fsal_status = FSAL_mknode(&parent->handle,
name, context,
mode, FSAL_TYPE_BLK,
&create_arg->dev_spec,
&object_handle, &object_attributes);
break;
case CHARACTER_FILE:
fsal_status = FSAL_mknode(&parent->handle,
name, context,
mode, FSAL_TYPE_CHR,
&create_arg->dev_spec,
&object_handle,
&object_attributes);
break;
default:
/* we should never go there */
*status = CACHE_INODE_INCONSISTENT_ENTRY;
entry = NULL;
goto out;
break;
}
/* Check for the result */
if (FSAL_IS_ERROR(fsal_status)) {
if (fsal_status.major == ERR_FSAL_STALE) {
LogEvent(COMPONENT_CACHE_INODE,
"FSAL returned STALE on create type %d",
type);
cache_inode_kill_entry(parent);
}
*status = cache_inode_error_convert(fsal_status);
entry = NULL;
goto out;
}
fsal_data.fh_desc.start = (caddr_t) &object_handle;
fsal_data.fh_desc.len = 0;
FSAL_ExpandHandle(context->export_context,
FSAL_DIGEST_SIZEOF,
&fsal_data.fh_desc);
entry = cache_inode_new_entry(&fsal_data,
&object_attributes,
type,
create_arg,
status);
if (entry == NULL) {
*status = CACHE_INODE_INSERT_ERROR;
return NULL;
}
PTHREAD_RWLOCK_WRLOCK(&parent->content_lock);
/* Add this entry to the directory (also takes an internal ref) */
cache_inode_add_cached_dirent(parent,
name, entry,
NULL,
status);
PTHREAD_RWLOCK_UNLOCK(&parent->content_lock);
if (*status != CACHE_INODE_SUCCESS) {
cache_inode_lru_unref(entry, LRU_FLAG_NONE);
entry = NULL;
goto out;
}
PTHREAD_RWLOCK_WRLOCK(&parent->attr_lock);
/* Update the parent cached attributes */
cache_inode_set_time_current(&parent->attributes.mtime);
parent->attributes.ctime = parent->attributes.mtime;
/* if the created object is a directory, it contains a link
to its parent : '..'. Thus the numlink attr must be increased. */
if (type == DIRECTORY) {
++(parent->attributes.numlinks);
}
PTHREAD_RWLOCK_UNLOCK(&parent->attr_lock);
/* Copy up the child attributes */
*attr = object_attributes;
*status = CACHE_INODE_SUCCESS;
out:
return entry;
}
cache_inode_status_t cache_inode_rdwr(cache_entry_t * pentry,
cache_inode_io_direction_t read_or_write,
fsal_seek_t * seek_descriptor,
fsal_size_t buffer_size,
fsal_size_t * pio_size,
fsal_attrib_list_t * pfsal_attr,
caddr_t buffer,
fsal_boolean_t * p_fsal_eof,
hash_table_t * ht,
cache_inode_client_t * pclient,
fsal_op_context_t * pcontext,
uint64_t stable,
cache_inode_status_t * pstatus)
{
int statindex = 0;
cache_content_io_direction_t io_direction;
cache_content_status_t cache_content_status;
fsal_status_t fsal_status;
fsal_openflags_t openflags;
fsal_size_t io_size;
fsal_attrib_list_t post_write_attr;
fsal_status_t fsal_status_getattr;
struct stat buffstat;
/* Set the return default to CACHE_INODE_SUCCESS */
*pstatus = CACHE_INODE_SUCCESS;
/* For now, only FSAL_SEEK_SET is supported */
if(seek_descriptor->whence != FSAL_SEEK_SET)
{
LogCrit(COMPONENT_CACHE_INODE,
"Implementation trouble: seek_descriptor was not a 'FSAL_SEEK_SET' cursor");
*pstatus = CACHE_INODE_INVALID_ARGUMENT;
return *pstatus;
}
io_size = buffer_size;
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_rdwr: INODE : IO Size = %llu fdsize =%zu seeksize=%zu",
buffer_size, sizeof(fsal_file_t), sizeof(fsal_seek_t));
/* stat */
pclient->stat.nb_call_total += 1;
if(read_or_write == CACHE_INODE_READ)
{
statindex = CACHE_INODE_READ_DATA;
io_direction = CACHE_CONTENT_READ;
openflags = FSAL_O_RDONLY;
pclient->stat.func_stats.nb_call[CACHE_INODE_READ_DATA] += 1;
}
else
{
statindex = CACHE_INODE_WRITE_DATA;
io_direction = CACHE_CONTENT_WRITE;
openflags = FSAL_O_WRONLY;
pclient->stat.func_stats.nb_call[CACHE_INODE_WRITE_DATA] += 1;
}
P_w(&pentry->lock);
/* IO are done only on REGULAR_FILEs */
if(pentry->internal_md.type != REGULAR_FILE)
{
*pstatus = CACHE_INODE_BAD_TYPE;
V_w(&pentry->lock);
/* stats */
pclient->stat.func_stats.nb_err_unrecover[statindex] += 1;
return *pstatus;
}
/* Non absolute address within the file are not supported (we act only like pread/pwrite) */
if(seek_descriptor->whence != FSAL_SEEK_SET)
{
*pstatus = CACHE_INODE_INVALID_ARGUMENT;
V_w(&pentry->lock);
/* stats */
pclient->stat.func_stats.nb_err_unrecover[statindex] += 1;
return *pstatus;
}
/* Do we use stable or unstable storage ? */
if(stable == FSAL_UNSAFE_WRITE_TO_GANESHA_BUFFER)
{
/* Data will be stored in memory and not flush to FSAL */
/* If the unstable_data buffer allocated ? */
if(pentry->object.file.unstable_data.buffer == NULL)
{
if((pentry->object.file.unstable_data.buffer =
Mem_Alloc_Label(CACHE_INODE_UNSTABLE_BUFFERSIZE,
"Cache_Inode Unstable Buffer")) == NULL)
{
*pstatus = CACHE_INODE_MALLOC_ERROR;
V_w(&pentry->lock);
/* stats */
pclient->stat.func_stats.nb_err_unrecover[statindex] += 1;
return *pstatus;
}
pentry->object.file.unstable_data.offset = seek_descriptor->offset;
pentry->object.file.unstable_data.length = buffer_size;
memcpy(pentry->object.file.unstable_data.buffer, buffer, buffer_size);
/* Set mtime and ctime */
cache_inode_set_time_current( &pentry->attributes.mtime ) ;
/* BUGAZOMEU : write operation must NOT modify file's ctime */
pentry->attributes.ctime = pentry->attributes.mtime;
*pio_size = buffer_size;
} /* if( pentry->object.file.unstable_data.buffer == NULL ) */
else
{
if((pentry->object.file.unstable_data.offset < seek_descriptor->offset) &&
(buffer_size + seek_descriptor->offset < CACHE_INODE_UNSTABLE_BUFFERSIZE))
{
pentry->object.file.unstable_data.length =
buffer_size + seek_descriptor->offset;
memcpy((char *)(pentry->object.file.unstable_data.buffer +
seek_descriptor->offset), buffer, buffer_size);
/* Set mtime and ctime */
cache_inode_set_time_current( &pentry->attributes.mtime ) ;
/* BUGAZOMEU : write operation must NOT modify file's ctime */
pentry->attributes.ctime = pentry->attributes.mtime;
*pio_size = buffer_size;
}
else
{
/* Go back to regular situation */
stable = FSAL_SAFE_WRITE_TO_FS;
}
}
}
/* if( stable == FALSE ) */
if(stable == FSAL_SAFE_WRITE_TO_FS ||
stable == FSAL_UNSAFE_WRITE_TO_FS_BUFFER)
{
/* Calls file content cache to operate on the cache */
if(pentry->object.file.pentry_content != NULL)
{
/* Entry is data cached */
cache_content_rdwr(pentry->object.file.pentry_content,
io_direction,
seek_descriptor,
&io_size,
pio_size,
buffer,
p_fsal_eof,
&buffstat,
(cache_content_client_t *) pclient->pcontent_client,
pcontext, &cache_content_status);
/* If the entry under resync */
if(cache_content_status == CACHE_CONTENT_LOCAL_CACHE_NOT_FOUND)
{
/* Data cache gc has removed this entry */
if(cache_content_new_entry(pentry,
NULL,
(cache_content_client_t *)pclient->pcontent_client,
RENEW_ENTRY, pcontext,
&cache_content_status) == NULL)
{
/* Entry could not be recoverd, cache_content_status contains an error, let it be managed by the next block */
LogCrit(COMPONENT_CACHE_INODE,
"Read/Write Operation through cache failed with status %d (renew process failed)",
cache_content_status);
/* Will go to the end of the function on the error clause with cache_content_status describing the error */
}
else
{
/* Entry was successfully renewed */
LogInfo(COMPONENT_CACHE_INODE,
"----> File Content Entry %p was successfully renewed",
pentry);
/* Try to access the content of the file again */
cache_content_rdwr(pentry->object.file.pentry_content,
io_direction,
seek_descriptor,
&io_size,
pio_size,
buffer,
p_fsal_eof,
&buffstat,
(cache_content_client_t *) pclient->pcontent_client,
pcontext, &cache_content_status);
/* No management of cache_content_status in case of failure, this will be done
* within the next block */
}
}
if(cache_content_status != CACHE_CONTENT_SUCCESS)
{
*pstatus = cache_content_error_convert(cache_content_status);
V_w(&pentry->lock);
LogCrit(COMPONENT_CACHE_INODE,
"Read/Write Operation through cache failed with status %d",
cache_content_status);
/* stats */
pclient->stat.func_stats.nb_err_unrecover[statindex] += 1;
return *pstatus;
}
LogFullDebug(COMPONENT_CACHE_INODE,
"cache_inode_rdwr: inode/dc: io_size=%llu, pio_size=%llu, eof=%d, seek=%d.%"PRIu64,
io_size, *pio_size, *p_fsal_eof, seek_descriptor->whence,
seek_descriptor->offset);
LogMidDebug(COMPONENT_CACHE_INODE,
"cache_inode_rdwr: INODE AFTER : IO Size = %llu %llu",
io_size, *pio_size);
/* Use information from the buffstat to update the file metadata */
pentry->attributes.filesize = buffstat.st_size;
pentry->attributes.spaceused =
buffstat.st_blksize * buffstat.st_blocks;
}
else
{
/* No data cache entry, we operated directly on FSAL */
pentry->attributes.asked_attributes = pclient->attrmask;
/* We need to open if we don't have a cached
* descriptor or our open flags differs.
*/
if(cache_inode_open(pentry,
pclient,
openflags, pcontext, pstatus) != CACHE_INODE_SUCCESS)
{
V_w(&pentry->lock);
/* stats */
pclient->stat.func_stats.nb_err_unrecover[statindex] += 1;
return *pstatus;
}
/* Call FSAL_read or FSAL_write */
if(read_or_write == CACHE_INODE_READ)
{
#ifdef _USE_MFSL
fsal_status = MFSL_read(&(pentry->object.file.open_fd.mfsl_fd),
seek_descriptor,
io_size,
buffer,
pio_size, p_fsal_eof, &pclient->mfsl_context, NULL);
#else
fsal_status = FSAL_read(&(pentry->object.file.open_fd.fd),
seek_descriptor,
io_size, buffer, pio_size, p_fsal_eof);
#endif
}
else
{
#ifdef _USE_MFSL
fsal_status = MFSL_write(&(pentry->object.file.open_fd.mfsl_fd),
seek_descriptor,
io_size, buffer, pio_size, &pclient->mfsl_context, NULL);
#else
fsal_status = FSAL_write(&(pentry->object.file.open_fd.fd),
seek_descriptor, io_size, buffer, pio_size);
#endif
#if 0
/* Alright, the unstable write is complete. Now if it was supposed to be a stable write
* we can sync to the hard drive. */
if(stable == FSAL_SAFE_WRITE_TO_FS)
{
#ifdef _USE_MFSL
fsal_status = MFSL_commit(&(pentry->object.file.open_fd.mfsl_fd), NULL);
#else
fsal_status = FSAL_commit(&(pentry->object.file.open_fd.fd));
#endif
#endif
}
LogFullDebug(COMPONENT_FSAL,
"cache_inode_rdwr: FSAL IO operation returned %d, asked_size=%llu, effective_size=%llu",
fsal_status.major, (unsigned long long)io_size,
(unsigned long long)*pio_size);
if(FSAL_IS_ERROR(fsal_status))
{
if(fsal_status.major == ERR_FSAL_DELAY)
LogEvent(COMPONENT_CACHE_INODE,
"cache_inode_rdwr: FSAL_write returned EBUSY");
else
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_rdwr: fsal_status.major = %d",
fsal_status.major);
if((fsal_status.major != ERR_FSAL_NOT_OPENED)
&& (pentry->object.file.open_fd.fileno != 0))
{
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_rdwr: CLOSING pentry %p: fd=%d",
pentry, pentry->object.file.open_fd.fileno);
#ifdef _USE_MFSL
MFSL_close(&(pentry->object.file.open_fd.mfsl_fd), &pclient->mfsl_context, NULL);
#else
FSAL_close(&(pentry->object.file.open_fd.fd));
#endif
*pstatus = cache_inode_error_convert(fsal_status);
}
else
{
/* the fd has been close by another thread.
* return CACHE_INODE_FSAL_DELAY so the client will
* retry with a new fd.
*/
*pstatus = CACHE_INODE_FSAL_DELAY;
}
pentry->object.file.open_fd.last_op = 0;
pentry->object.file.open_fd.fileno = 0;
V_w(&pentry->lock);
/* stats */
pclient->stat.func_stats.nb_err_unrecover[statindex] += 1;
return *pstatus;
}
LogFullDebug(COMPONENT_CACHE_INODE,
"cache_inode_rdwr: inode/direct: io_size=%llu, pio_size=%llu, eof=%d, seek=%d.%"PRIu64,
io_size, *pio_size, *p_fsal_eof, seek_descriptor->whence,
seek_descriptor->offset);
if(cache_inode_close(pentry, pclient, pstatus) != CACHE_INODE_SUCCESS)
{
LogEvent(COMPONENT_CACHE_INODE,
"cache_inode_rdwr: cache_inode_close = %d", *pstatus);
V_w(&pentry->lock);
/* stats */
pclient->stat.func_stats.nb_err_unrecover[statindex] += 1;
return *pstatus;
}
if(read_or_write == CACHE_INODE_WRITE)
{
/* Do a getattr in order to have update information on filesize
* This query is done directly on FSAL (object is not data cached), and result
* will be propagated to cache Inode */
/* WARNING: This operation is to be done AFTER FSAL_close (some FSAL, like POSIX,
* may not flush data until the file is closed */
/*post_write_attr.asked_attributes = pclient->attrmask ; */
post_write_attr.asked_attributes = FSAL_ATTR_SIZE | FSAL_ATTR_SPACEUSED;
fsal_status_getattr =
FSAL_getattrs(&(pentry->handle), pcontext,
&post_write_attr);
/* if failed, the next block will handle the error */
if(FSAL_IS_ERROR(fsal_status_getattr))
fsal_status = fsal_status_getattr;
else
{
/* Update Cache Inode attributes */
pentry->attributes.filesize = post_write_attr.filesize;
pentry->attributes.spaceused = post_write_attr.spaceused;
}
}
}
/* IO was successfull (through cache content or not), we manually update the times in the attributes */
switch (read_or_write)
{
case CACHE_INODE_READ:
/* Set the atime */
cache_inode_set_time_current( & pentry->attributes.atime ) ;
break;
case CACHE_INODE_WRITE:
/* Set mtime and ctime */
cache_inode_set_time_current( & pentry->attributes.mtime ) ;
/* BUGAZOMEU : write operation must NOT modify file's ctime */
pentry->attributes.ctime = pentry->attributes.mtime;
break;
}
}
/* if(stable == TRUE ) */
/* Return attributes to caller */
if(pfsal_attr != NULL)
*pfsal_attr = pentry->attributes;
*pstatus = CACHE_INODE_SUCCESS;
/* stat */
if(read_or_write == CACHE_INODE_READ)
{
*pstatus = cache_inode_valid(pentry, CACHE_INODE_OP_GET, pclient);
if(*pstatus != CACHE_INODE_SUCCESS)
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_READ] += 1;
else
pclient->stat.func_stats.nb_success[CACHE_INODE_READ] += 1;
}
else
{
*pstatus = cache_inode_valid(pentry, CACHE_INODE_OP_SET, pclient);
if(*pstatus != CACHE_INODE_SUCCESS)
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_WRITE] += 1;
else
pclient->stat.func_stats.nb_success[CACHE_INODE_WRITE] += 1;
}
V_w(&pentry->lock);
return *pstatus;
} /* cache_inode_rdwr */
/**
*
* cache_inode_remove_sw: removes a pentry addressed by its parent pentry and
* its FSAL name. Mutex management is switched.
*
* Removes a pentry addressed by its parent pentry and its FSAL name. Mutex
* management is switched.
*
* @param pentry [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.
*
* @return CACHE_INODE_SUCCESS if operation is a success \n
* @return CACHE_INODE_LRU_ERROR if allocation error occured when validating the entry
*
*/
cache_inode_status_t cache_inode_remove_sw(cache_entry_t * pentry, /**< Parent entry */
fsal_name_t * pnode_name,
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)
{
fsal_status_t fsal_status;
cache_entry_t *to_remove_entry;
fsal_handle_t fsal_handle_parent;
fsal_attrib_list_t remove_attr;
fsal_attrib_list_t after_attr;
cache_inode_status_t status;
cache_content_status_t cache_content_status;
int to_remove_numlinks = 0;
fsal_accessflags_t access_mask = 0;
/* stats */
(pclient->stat.nb_call_total)++;
(pclient->stat.func_stats.nb_call[CACHE_INODE_REMOVE])++;
/* pentry is a directory */
if(use_mutex)
P_w(&pentry->lock);
/* Check if caller is allowed to perform the operation */
access_mask = FSAL_MODE_MASK_SET(FSAL_W_OK) |
FSAL_ACE4_MASK_SET(FSAL_ACE_PERM_DELETE_CHILD);
if((status = cache_inode_access_sw(pentry,
access_mask,
ht,
pclient,
pcontext, &status, FALSE)) != CACHE_INODE_SUCCESS)
{
*pstatus = status;
/* pentry is a directory */
if(use_mutex)
V_w(&pentry->lock);
return *pstatus;
}
/* Looks up for the entry to remove */
if((to_remove_entry = cache_inode_lookup_sw( pentry,
pnode_name,
CACHE_INODE_JOKER_POLICY,
&remove_attr,
ht,
pclient,
pcontext,
&status,
FALSE)) == NULL)
{
*pstatus = status;
/* pentry is a directory */
if(use_mutex)
V_w(&pentry->lock);
return *pstatus;
}
/* lock it */
if(use_mutex)
P_w(&to_remove_entry->lock);
if(pentry->internal_md.type != DIRECTORY)
{
if(use_mutex)
{
V_w(&to_remove_entry->lock);
V_w(&pentry->lock);
}
*pstatus = CACHE_INODE_BAD_TYPE;
return *pstatus;
}
LogDebug(COMPONENT_CACHE_INODE,
"---> Cache_inode_remove : %s", pnode_name->name);
/* Non-empty directories should not be removed. */
if(to_remove_entry->internal_md.type == DIRECTORY &&
to_remove_entry->object.dir.has_been_readdir == CACHE_INODE_YES)
{
if(cache_inode_is_dir_empty(to_remove_entry) != CACHE_INODE_SUCCESS)
{
if(use_mutex)
{
V_w(&to_remove_entry->lock);
V_w(&pentry->lock);
}
*pstatus = CACHE_INODE_DIR_NOT_EMPTY;
return *pstatus;
}
}
/* pentry->internal_md.type == DIRECTORY */
fsal_handle_parent = pentry->object.dir.handle;
if(status == CACHE_INODE_SUCCESS)
{
/* Remove the file from FSAL */
after_attr.asked_attributes = pclient->attrmask;
#ifdef _USE_MFSL
cache_inode_get_attributes(pentry, &after_attr);
#ifdef _USE_PNFS
after_attr.numlinks = remove_attr.numlinks ; /* Hook used to pass nlinks to MFSL_unlink */
if( to_remove_entry->internal_md.type == REGULAR_FILE )
fsal_status = MFSL_unlink(&pentry->mobject,
pnode_name,
&to_remove_entry->mobject,
pcontext, &pclient->mfsl_context, &after_attr,
&to_remove_entry->object.file.pnfs_file );
else
#endif /* _USE_PNFS */
fsal_status = MFSL_unlink(&pentry->mobject,
pnode_name,
&to_remove_entry->mobject,
pcontext, &pclient->mfsl_context, &after_attr,
NULL);
#else
fsal_status = FSAL_unlink(&fsal_handle_parent, pnode_name, pcontext, &after_attr);
#endif
/* Set the 'after' attr */
if(pattr != NULL)
*pattr = after_attr;
if(FSAL_IS_ERROR(fsal_status))
{
if(fsal_status.major == ERR_FSAL_STALE)
{
cache_inode_status_t kill_status;
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_remove: Stale FSAL FH detected for pentry %p",
pentry);
if(cache_inode_kill_entry(pentry, WT_LOCK, ht, pclient, &kill_status) !=
CACHE_INODE_SUCCESS)
LogCrit(COMPONENT_CACHE_INODE,
"cache_inode_remove: Could not kill entry %p, status = %u",
pentry, kill_status);
*pstatus = CACHE_INODE_FSAL_ESTALE;
}
*pstatus = cache_inode_error_convert(fsal_status);
if(use_mutex)
{
V_w(&to_remove_entry->lock);
V_w(&pentry->lock);
}
return *pstatus;
}
} /* CACHE_INODE_SUCCESS */
else
{
if(use_mutex)
{
V_w(&to_remove_entry->lock);
V_w(&pentry->lock);
}
(pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_REMOVE])++;
return status;
}
/* Remove the entry from parent dir_entries avl */
cache_inode_remove_cached_dirent(pentry, pnode_name, ht, pclient, &status);
LogFullDebug(COMPONENT_CACHE_INODE,
"cache_inode_remove_cached_dirent: status=%d", status);
/* Update the cached attributes */
pentry->object.dir.attributes = after_attr;
/* Update the attributes for the removed entry */
if(remove_attr.type != FSAL_TYPE_DIR)
{
if(remove_attr.numlinks > 1)
{
switch (to_remove_entry->internal_md.type)
{
case SYMBOLIC_LINK:
assert(to_remove_entry->object.symlink);
to_remove_entry->object.symlink->attributes.numlinks -= 1;
cache_inode_set_time_current( &to_remove_entry->object.symlink->attributes.ctime ) ;
to_remove_numlinks = to_remove_entry->object.symlink->attributes.numlinks;
break;
case REGULAR_FILE:
to_remove_entry->object.file.attributes.numlinks -= 1;
cache_inode_set_time_current( &to_remove_entry->object.file.attributes.ctime ) ;
to_remove_numlinks = to_remove_entry->object.file.attributes.numlinks;
break;
case CHARACTER_FILE:
case BLOCK_FILE:
case SOCKET_FILE:
case FIFO_FILE:
to_remove_entry->object.special_obj.attributes.numlinks -= 1;
cache_inode_set_time_current( &to_remove_entry->object.special_obj.attributes.ctime ) ;
to_remove_numlinks =
to_remove_entry->object.special_obj.attributes.numlinks;
break;
default:
/* Other objects should not be hard linked */
if(use_mutex)
{
V_w(&to_remove_entry->lock);
V_w(&pentry->lock);
}
*pstatus = CACHE_INODE_BAD_TYPE;
return *pstatus;
break;
}
}
}
else
{
/* No hardlink counter to be decremented for a directory: hardlink are not allowed for them */
}
/* Now, delete "to_remove_entry" from the cache inode and free its associated resources, but only if
* numlinks == 0 */
if(to_remove_numlinks == 0)
{
/* If pentry is a regular file, data cached, the related data cache entry should be removed as well */
if(to_remove_entry->internal_md.type == REGULAR_FILE)
{
if(to_remove_entry->object.file.pentry_content != NULL)
{
/* Something is to be deleted, release the cache data entry */
if(cache_content_release_entry
((cache_content_entry_t *) to_remove_entry->object.file.pentry_content,
(cache_content_client_t *) pclient->pcontent_client,
&cache_content_status) != CACHE_CONTENT_SUCCESS)
{
LogEvent(COMPONENT_CACHE_INODE,
"pentry %p, named %s could not be released from data cache, status=%d",
to_remove_entry, pnode_name->name,
cache_content_status);
}
}
}
if((*pstatus =
cache_inode_clean_internal(to_remove_entry, ht,
pclient)) != CACHE_INODE_SUCCESS)
{
if(use_mutex)
{
V_w(&pentry->lock);
V_w(&to_remove_entry->lock);
}
LogCrit(COMPONENT_CACHE_INODE,
"cache_inode_clean_internal ERROR %d", *pstatus);
return *pstatus;
}
/* Finally put the main pentry back to pool */
if(use_mutex)
V_w(&to_remove_entry->lock);
/* Destroy the mutex associated with the pentry */
cache_inode_mutex_destroy(to_remove_entry);
ReleaseToPool(to_remove_entry, &pclient->pool_entry);
} /* to_remove->numlinks == 0 */
/* Validate the entries */
*pstatus = cache_inode_valid(pentry, CACHE_INODE_OP_SET, pclient);
/* Regular exit */
if(use_mutex)
{
if(to_remove_numlinks != 0)
V_w(&to_remove_entry->lock); /* This was not release yet, it should be done here */
V_w(&pentry->lock);
}
if(status == CACHE_INODE_SUCCESS)
(pclient->stat.func_stats.nb_success[CACHE_INODE_REMOVE])++;
else
(pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_REMOVE])++;
return status;
} /* cache_inode_remove */
