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_close: closes the local fd in the FSAL.
*
* Closes the local fd in the FSAL.
*
* No lock management is done in this layer: the related pentry in the cache inode layer is
* locked and will prevent from concurent accesses.
*
* @param pentry [IN] entry in file content layer whose content is to be accessed.
* @param pclient [IN] ressource allocated by the client for the nfs management.
* @pstatus [OUT] returned status.
*
* @return CACHE_CONTENT_SUCCESS is successful .
*
*/
cache_inode_status_t cache_inode_close(cache_entry_t * pentry,
cache_inode_client_t * pclient,
cache_inode_status_t * pstatus)
{
fsal_status_t fsal_status;
if((pentry == NULL) || (pclient == NULL) || (pstatus == NULL))
return CACHE_CONTENT_INVALID_ARGUMENT;
if(pentry->internal_md.type != REGULAR_FILE)
{
*pstatus = CACHE_INODE_BAD_TYPE;
return *pstatus;
}
/* if nothing is opened, do nothing */
if(pentry->object.file.open_fd.fileno < 0)
{
*pstatus = CACHE_INODE_SUCCESS;
return *pstatus;
}
/* if locks are held in the file, do not close */
if( cache_inode_file_holds_state( pentry ) )
{
*pstatus = CACHE_INODE_SUCCESS; /** @todo : PhD : May be CACHE_INODE_STATE_CONFLICTS would be better ? */
return *pstatus;
}
if((pclient->use_fd_cache == 0) ||
(time(NULL) - pentry->object.file.open_fd.last_op > pclient->retention) ||
(pentry->object.file.open_fd.fileno > (int)(pclient->max_fd)))
{
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_close: pentry %p, fileno = %d, lastop=%d ago",
pentry, pentry->object.file.open_fd.fileno,
(int)(time(NULL) - pentry->object.file.open_fd.last_op));
#ifdef _USE_MFSL
fsal_status = MFSL_close(&(pentry->object.file.open_fd.mfsl_fd), &pclient->mfsl_context, NULL);
#else
fsal_status = FSAL_close(&(pentry->object.file.open_fd.fd));
#endif
pentry->object.file.open_fd.fileno = 0;
pentry->object.file.open_fd.last_op = 0;
if(FSAL_IS_ERROR(fsal_status) && (fsal_status.major != ERR_FSAL_NOT_OPENED))
{
*pstatus = cache_inode_error_convert(fsal_status);
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_close: returning %d(%s) from FSAL_close",
*pstatus, cache_inode_err_str(*pstatus));
return *pstatus;
}
}
#ifdef _USE_PROXY
/* If proxy if used, free the name if needed */
if(pentry->object.file.pname != NULL)
{
Mem_Free((char *)(pentry->object.file.pname));
pentry->object.file.pname = NULL;
}
pentry->object.file.pentry_parent_open = NULL;
#endif
*pstatus = CACHE_CONTENT_SUCCESS;
return *pstatus;
} /* cache_content_close */
cache_inode_status_t cache_inode_open(cache_entry_t * pentry,
cache_inode_client_t * pclient,
fsal_openflags_t openflags,
fsal_op_context_t * pcontext,
cache_inode_status_t * pstatus)
{
fsal_status_t fsal_status;
if((pentry == NULL) || (pclient == NULL) || (pcontext == NULL) || (pstatus == NULL))
return CACHE_INODE_INVALID_ARGUMENT;
if(pentry->internal_md.type != REGULAR_FILE)
{
*pstatus = CACHE_INODE_BAD_TYPE;
return *pstatus;
}
/* Open file need to be closed, unless it is already open as read/write */
if((pentry->object.file.open_fd.openflags != FSAL_O_RDWR) &&
(pentry->object.file.open_fd.openflags != 0) &&
(pentry->object.file.open_fd.fileno != 0) &&
(pentry->object.file.open_fd.openflags != openflags))
{
#ifdef _USE_MFSL
fsal_status = MFSL_close(&(pentry->object.file.open_fd.mfsl_fd), &pclient->mfsl_context, NULL);
#else
fsal_status = FSAL_close(&(pentry->object.file.open_fd.fd));
#endif
if(FSAL_IS_ERROR(fsal_status) && (fsal_status.major != ERR_FSAL_NOT_OPENED))
{
*pstatus = cache_inode_error_convert(fsal_status);
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_open: returning %d(%s) from FSAL_close",
*pstatus, cache_inode_err_str(*pstatus));
return *pstatus;
}
/* force re-openning */
pentry->object.file.open_fd.last_op = 0;
pentry->object.file.open_fd.fileno = 0;
}
if((pentry->object.file.open_fd.last_op == 0)
|| (pentry->object.file.open_fd.fileno == 0))
{
/* opened file is not preserved yet */
#ifdef _USE_MFSL
fsal_status = MFSL_open(&(pentry->mobject),
pcontext,
&pclient->mfsl_context,
openflags,
&pentry->object.file.open_fd.mfsl_fd,
&(pentry->object.file.attributes),
NULL );
#else
fsal_status = FSAL_open(&(pentry->object.file.handle),
pcontext,
openflags,
&pentry->object.file.open_fd.fd,
&(pentry->object.file.attributes));
#endif
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_open: returning %d(%s) from FSAL_open",
*pstatus, cache_inode_err_str(*pstatus));
return *pstatus;
}
#ifdef _USE_MFSL
pentry->object.file.open_fd.fileno = FSAL_FILENO(&(pentry->object.file.open_fd.mfsl_fd.fsal_file));
#else
pentry->object.file.open_fd.fileno = FSAL_FILENO(&(pentry->object.file.open_fd.fd));
#endif
pentry->object.file.open_fd.openflags = openflags;
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_open: pentry %p: lastop=0, fileno = %d, openflags = %d",
pentry, pentry->object.file.open_fd.fileno, (int) openflags);
}
/* regular exit */
pentry->object.file.open_fd.last_op = time(NULL);
/* if file descriptor is too high, garbage collect FDs */
if(pclient->use_fd_cache
&& (pentry->object.file.open_fd.fileno > pclient->max_fd))
{
if(cache_inode_gc_fd(pclient, pstatus) != CACHE_INODE_SUCCESS)
{
LogCrit(COMPONENT_CACHE_INODE_GC,
"FAILURE performing FD garbage collection");
return *pstatus;
}
}
*pstatus = CACHE_INODE_SUCCESS;
return *pstatus;
} /* cache_inode_open */
cache_inode_status_t cache_inode_open_by_name(cache_entry_t * pentry_dir,
fsal_name_t * pname,
cache_entry_t * pentry_file,
cache_inode_client_t * pclient,
fsal_openflags_t openflags,
fsal_op_context_t * pcontext,
cache_inode_status_t * pstatus)
{
fsal_status_t fsal_status;
fsal_size_t save_filesize = 0;
fsal_size_t save_spaceused = 0;
fsal_time_t save_mtime = {
.seconds = 0,
.nseconds = 0
};
if((pentry_dir == NULL) || (pname == NULL) || (pentry_file == NULL) ||
(pclient == NULL) || (pcontext == NULL) || (pstatus == NULL))
return CACHE_INODE_INVALID_ARGUMENT;
if((pentry_dir->internal_md.type != DIRECTORY))
{
*pstatus = CACHE_INODE_BAD_TYPE;
return *pstatus;
}
if(pentry_file->internal_md.type != REGULAR_FILE)
{
*pstatus = CACHE_INODE_BAD_TYPE;
return *pstatus;
}
/* Open file need to be closed, unless it is already open as read/write */
if((pentry_file->object.file.open_fd.openflags != FSAL_O_RDWR) &&
(pentry_file->object.file.open_fd.openflags != 0) &&
(pentry_file->object.file.open_fd.fileno >= 0) &&
(pentry_file->object.file.open_fd.openflags != openflags))
{
#ifdef _USE_MFSL
fsal_status =
MFSL_close(&(pentry_file->object.file.open_fd.mfsl_fd), &pclient->mfsl_context, NULL);
#else
fsal_status = FSAL_close(&(pentry_file->object.file.open_fd.fd));
#endif
if(FSAL_IS_ERROR(fsal_status) && (fsal_status.major != ERR_FSAL_NOT_OPENED))
{
*pstatus = cache_inode_error_convert(fsal_status);
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_open_by_name: returning %d(%s) from FSAL_close",
*pstatus, cache_inode_err_str(*pstatus));
return *pstatus;
}
pentry_file->object.file.open_fd.last_op = 0;
pentry_file->object.file.open_fd.fileno = 0;
}
if(pentry_file->object.file.open_fd.last_op == 0
|| pentry_file->object.file.open_fd.fileno == 0)
{
LogDebug(COMPONENT_FSAL,
"cache_inode_open_by_name: pentry %p: lastop=0", pentry_file);
/* Keep coherency with the cache_content */
if(pentry_file->object.file.pentry_content != NULL)
{
save_filesize = pentry_file->object.file.attributes.filesize;
save_spaceused = pentry_file->object.file.attributes.spaceused;
save_mtime = pentry_file->object.file.attributes.mtime;
}
/* opened file is not preserved yet */
#ifdef _USE_MFSL
fsal_status = MFSL_open_by_name(&(pentry_dir->mobject),
pname,
pcontext,
&pclient->mfsl_context,
openflags,
&pentry_file->object.file.open_fd.mfsl_fd,
&(pentry_file->object.file.attributes),
#ifdef _USE_PNFS
&pentry_file->object.file.pnfs_file ) ;
#else
NULL );
#endif /* _USE_PNFS */
#else
fsal_status = FSAL_open_by_name(&(pentry_dir->object.file.handle),
pname,
pcontext,
openflags,
&pentry_file->object.file.open_fd.fd,
&(pentry_file->object.file.attributes));
#endif
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_open_by_name: returning %d(%s) from FSAL_open_by_name",
*pstatus, cache_inode_err_str(*pstatus));
return *pstatus;
}
#ifdef _USE_PROXY
/* If proxy if used, we should keep the name of the file to do FSAL_rcp if needed */
if((pentry_file->object.file.pname =
(fsal_name_t *) Mem_Alloc_Label(sizeof(fsal_name_t), "fsal_name_t")) == NULL)
{
*pstatus = CACHE_INODE_MALLOC_ERROR;
return *pstatus;
}
pentry_file->object.file.pentry_parent_open = pentry_dir;
pentry_file->object.file.pname->len = pname->len;
memcpy((char *)(pentry_file->object.file.pname->name), (char *)(pname->name),
FSAL_MAX_NAME_LEN);
#endif
/* Keep coherency with the cache_content */
if(pentry_file->object.file.pentry_content != NULL)
{
pentry_file->object.file.attributes.filesize = save_filesize;
pentry_file->object.file.attributes.spaceused = save_spaceused;
pentry_file->object.file.attributes.mtime = save_mtime;
}
#ifdef _USE_MFSL
pentry_file->object.file.open_fd.fileno =
(int)FSAL_FILENO(&(pentry_file->object.file.open_fd.mfsl_fd.fsal_file));
#else
pentry_file->object.file.open_fd.fileno =
(int)FSAL_FILENO(&(pentry_file->object.file.open_fd.fd));
#endif
pentry_file->object.file.open_fd.last_op = time(NULL);
pentry_file->object.file.open_fd.openflags = openflags;
LogDebug(COMPONENT_FSAL,
"cache_inode_open_by_name: pentry %p: fd=%u",
pentry_file, pentry_file->object.file.open_fd.fileno);
}
/* regular exit */
pentry_file->object.file.open_fd.last_op = time(NULL);
/* if file descriptor is too high, garbage collect FDs */
if(pclient->use_fd_cache
&& (pentry_file->object.file.open_fd.fileno > pclient->max_fd))
{
if(cache_inode_gc_fd(pclient, pstatus) != CACHE_INODE_SUCCESS)
{
LogCrit(COMPONENT_CACHE_INODE_GC,
"FAILURE performing FD garbage collection");
return *pstatus;
}
}
*pstatus = CACHE_INODE_SUCCESS;
return *pstatus;
} /* cache_inode_open_by_name */
cache_inode_status_t cache_inode_open_by_name(cache_entry_t * pentry_dir,
fsal_name_t * pname,
cache_entry_t * pentry_file,
cache_inode_client_t * pclient,
fsal_openflags_t openflags,
fsal_op_context_t * pcontext,
cache_inode_status_t * pstatus)
{
fsal_status_t fsal_status;
fsal_size_t save_filesize = 0;
fsal_size_t save_spaceused = 0;
fsal_time_t save_mtime = {
.seconds = 0,
.nseconds = 0
};
if((pentry_dir == NULL) || (pname == NULL) || (pentry_file == NULL) ||
(pclient == NULL) || (pcontext == NULL) || (pstatus == NULL))
return CACHE_INODE_INVALID_ARGUMENT;
if((pentry_dir->internal_md.type != DIRECTORY))
{
*pstatus = CACHE_INODE_BAD_TYPE;
return *pstatus;
}
if(pentry_file->internal_md.type != REGULAR_FILE)
{
*pstatus = CACHE_INODE_BAD_TYPE;
return *pstatus;
}
/* Open file need to be closed, unless it is already open as read/write */
if((pentry_file->object.file.open_fd.openflags != FSAL_O_RDWR) &&
(pentry_file->object.file.open_fd.openflags != 0) &&
(pentry_file->object.file.open_fd.fileno != 0) &&
(pentry_file->object.file.open_fd.openflags != openflags))
{
#ifdef _USE_MFSL
fsal_status =
MFSL_close(&(pentry_file->object.file.open_fd.mfsl_fd), &pclient->mfsl_context, NULL);
#else
fsal_status = FSAL_close(&(pentry_file->object.file.open_fd.fd));
#endif
if(FSAL_IS_ERROR(fsal_status) && (fsal_status.major != ERR_FSAL_NOT_OPENED))
{
*pstatus = cache_inode_error_convert(fsal_status);
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_open_by_name: returning %d(%s) from FSAL_close",
*pstatus, cache_inode_err_str(*pstatus));
return *pstatus;
}
pentry_file->object.file.open_fd.last_op = 0;
pentry_file->object.file.open_fd.fileno = 0;
}
if(pentry_file->object.file.open_fd.last_op == 0
|| pentry_file->object.file.open_fd.fileno == 0)
{
LogFullDebug(COMPONENT_FSAL,
"cache_inode_open_by_name: pentry %p: lastop=0", pentry_file);
/* Keep coherency with the cache_content */
if(pentry_file->object.file.pentry_content != NULL)
{
save_filesize = pentry_file->attributes.filesize;
save_spaceused = pentry_file->attributes.spaceused;
save_mtime = pentry_file->attributes.mtime;
}
/* opened file is not preserved yet */
#ifdef _USE_MFSL
fsal_status = MFSL_open_by_name(&(pentry_dir->mobject),
pname,
pcontext,
&pclient->mfsl_context,
openflags,
&pentry_file->object.file.open_fd.mfsl_fd,
&(pentry_file->attributes),
NULL );
#else
fsal_status = FSAL_open_by_name(&(pentry_dir->handle),
pname,
pcontext,
openflags,
&pentry_file->object.file.open_fd.fd,
&(pentry_file->attributes));
#endif
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_open_by_name: returning %d(%s) from FSAL_open_by_name",
*pstatus, cache_inode_err_str(*pstatus));
return *pstatus;
}
#ifdef _USE_PROXY
/* If proxy if used, we should keep the name of the file to do FSAL_rcp if needed */
if((pentry_file->object.file.pname =
(fsal_name_t *) Mem_Alloc_Label(sizeof(fsal_name_t), "fsal_name_t")) == NULL)
{
*pstatus = CACHE_INODE_MALLOC_ERROR;
return *pstatus;
}
pentry_file->object.file.pentry_parent_open = pentry_dir;
pentry_file->object.file.pname->len = pname->len;
memcpy((char *)(pentry_file->object.file.pname->name), (char *)(pname->name),
FSAL_MAX_NAME_LEN);
#endif
/* Keep coherency with the cache_content */
if(pentry_file->object.file.pentry_content != NULL)
{
pentry_file->attributes.filesize = save_filesize;
pentry_file->attributes.spaceused = save_spaceused;
pentry_file->attributes.mtime = save_mtime;
}
#ifdef _USE_MFSL
pentry_file->object.file.open_fd.fileno =
(int)FSAL_FILENO(&(pentry_file->object.file.open_fd.mfsl_fd.fsal_file));
#else
pentry_file->object.file.open_fd.fileno =
(int)FSAL_FILENO(&(pentry_file->object.file.open_fd.fd));
#endif
pentry_file->object.file.open_fd.last_op = time(NULL);
pentry_file->object.file.open_fd.openflags = openflags;
LogFullDebug(COMPONENT_FSAL,
"cache_inode_open_by_name: pentry %p: fd=%u",
pentry_file, pentry_file->object.file.open_fd.fileno);
}
/* regular exit */
pentry_file->object.file.open_fd.last_op = time(NULL);
/* if file descriptor is too high, garbage collect FDs */
if(pclient->use_fd_cache
&& (pentry_file->object.file.open_fd.fileno > pclient->max_fd))
{
if(cache_inode_gc_fd(pclient, pstatus) != CACHE_INODE_SUCCESS)
{
LogCrit(COMPONENT_CACHE_INODE_GC,
"FAILURE performing FD garbage collection");
return *pstatus;
}
}
*pstatus = CACHE_INODE_SUCCESS;
return *pstatus;
} /* cache_inode_open_by_name */
/**
*
* cache_inode_close: closes the local fd in the FSAL.
*
* Closes the local fd in the FSAL.
*
* No lock management is done in this layer: the related pentry in the cache inode layer is
* locked and will prevent from concurent accesses.
*
* @param pentry [IN] entry in file content layer whose content is to be accessed.
* @param pclient [IN] ressource allocated by the client for the nfs management.
* @pstatus [OUT] returned status.
*
* @return CACHE_CONTENT_SUCCESS is successful .
*
*/
cache_inode_status_t cache_inode_close(cache_entry_t * pentry,
cache_inode_client_t * pclient,
cache_inode_status_t * pstatus)
{
fsal_status_t fsal_status;
if((pentry == NULL) || (pclient == NULL) || (pstatus == NULL))
return CACHE_CONTENT_INVALID_ARGUMENT;
if(pentry->internal_md.type != REGULAR_FILE)
{
*pstatus = CACHE_INODE_BAD_TYPE;
return *pstatus;
}
/* if nothing is opened, do nothing */
if(pentry->object.file.open_fd.fileno < 0)
{
*pstatus = CACHE_INODE_SUCCESS;
return *pstatus;
}
/* if locks are held in the file, do not close */
if( cache_inode_file_holds_state( pentry ) )
{
*pstatus = CACHE_INODE_SUCCESS; /** @todo : PhD : May be CACHE_INODE_STATE_CONFLICTS would be better ? */
return *pstatus;
}
if((pclient->use_fd_cache == 0) ||
(time(NULL) - pentry->object.file.open_fd.last_op > pclient->retention) ||
(pentry->object.file.open_fd.fileno > (int)(pclient->max_fd)))
{
LogFullDebug(COMPONENT_CACHE_INODE,
"cache_inode_close: pentry %p, fileno = %d, lastop=%d ago",
pentry, pentry->object.file.open_fd.fileno,
(int)(time(NULL) - pentry->object.file.open_fd.last_op));
#ifdef _USE_MFSL
fsal_status = MFSL_close(&(pentry->object.file.open_fd.mfsl_fd), &pclient->mfsl_context, NULL);
#else
fsal_status = FSAL_close(&(pentry->object.file.open_fd.fd));
#endif
pentry->object.file.open_fd.fileno = 0;
pentry->object.file.open_fd.last_op = 0;
if(FSAL_IS_ERROR(fsal_status) && (fsal_status.major != ERR_FSAL_NOT_OPENED))
{
*pstatus = cache_inode_error_convert(fsal_status);
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_close: returning %d(%s) from FSAL_close",
*pstatus, cache_inode_err_str(*pstatus));
return *pstatus;
}
}
#ifdef _USE_PROXY
/* If proxy if used, free the name if needed */
if(pentry->object.file.pname != NULL)
{
Mem_Free((char *)(pentry->object.file.pname));
pentry->object.file.pname = NULL;
}
pentry->object.file.pentry_parent_open = NULL;
#endif
*pstatus = CACHE_CONTENT_SUCCESS;
return *pstatus;
} /* cache_content_close */