diff options
Diffstat (limited to 'fs/nilfs2/segment.c')
| -rw-r--r-- | fs/nilfs2/segment.c | 62 |
1 files changed, 30 insertions, 32 deletions
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index 58a598b548fa..3a202e51b360 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -191,12 +191,10 @@ static int nilfs_prepare_segment_lock(struct super_block *sb, * When @vacancy_check flag is set, this function will check the amount of * free space, and will wait for the GC to reclaim disk space if low capacity. * - * Return Value: On success, 0 is returned. On error, one of the following - * negative error code is returned. - * - * %-ENOMEM - Insufficient memory available. - * - * %-ENOSPC - No space left on device + * Return: 0 on success, or one of the following negative error codes on + * failure: + * * %-ENOMEM - Insufficient memory available. + * * %-ENOSPC - No space left on device (if checking free space). */ int nilfs_transaction_begin(struct super_block *sb, struct nilfs_transaction_info *ti, @@ -252,6 +250,8 @@ int nilfs_transaction_begin(struct super_block *sb, * nilfs_transaction_commit() sets a timer to start the segment * constructor. If a sync flag is set, it starts construction * directly. + * + * Return: 0 on success, or a negative error code on failure. */ int nilfs_transaction_commit(struct super_block *sb) { @@ -407,6 +407,8 @@ static void *nilfs_segctor_map_segsum_entry(struct nilfs_sc_info *sci, /** * nilfs_segctor_reset_segment_buffer - reset the current segment buffer * @sci: nilfs_sc_info + * + * Return: 0 on success, or a negative error code on failure. */ static int nilfs_segctor_reset_segment_buffer(struct nilfs_sc_info *sci) { @@ -1120,7 +1122,8 @@ static int nilfs_segctor_scan_file_dsync(struct nilfs_sc_info *sci, * a super root block containing this sufile change is complete, and it can * be canceled with nilfs_sufile_cancel_freev() until then. * - * Return: 0 on success, or the following negative error code on failure. + * Return: 0 on success, or one of the following negative error codes on + * failure: * * %-EINVAL - Invalid segment number. * * %-EIO - I/O error (including metadata corruption). * * %-ENOMEM - Insufficient memory available. @@ -1317,6 +1320,8 @@ static int nilfs_segctor_collect_blocks(struct nilfs_sc_info *sci, int mode) * nilfs_segctor_begin_construction - setup segment buffer to make a new log * @sci: nilfs_sc_info * @nilfs: nilfs object + * + * Return: 0 on success, or a negative error code on failure. */ static int nilfs_segctor_begin_construction(struct nilfs_sc_info *sci, struct the_nilfs *nilfs) @@ -2314,18 +2319,13 @@ static void nilfs_segctor_wakeup(struct nilfs_sc_info *sci, int err, bool force) * nilfs_construct_segment - construct a logical segment * @sb: super block * - * Return Value: On success, 0 is returned. On errors, one of the following - * negative error code is returned. - * - * %-EROFS - Read only filesystem. - * - * %-EIO - I/O error - * - * %-ENOSPC - No space left on device (only in a panic state). - * - * %-ERESTARTSYS - Interrupted. - * - * %-ENOMEM - Insufficient memory available. + * Return: 0 on success, or one of the following negative error codes on + * failure: + * * %-EIO - I/O error (including metadata corruption). + * * %-ENOMEM - Insufficient memory available. + * * %-ENOSPC - No space left on device (only in a panic state). + * * %-ERESTARTSYS - Interrupted. + * * %-EROFS - Read only filesystem. */ int nilfs_construct_segment(struct super_block *sb) { @@ -2349,18 +2349,13 @@ int nilfs_construct_segment(struct super_block *sb) * @start: start byte offset * @end: end byte offset (inclusive) * - * Return Value: On success, 0 is returned. On errors, one of the following - * negative error code is returned. - * - * %-EROFS - Read only filesystem. - * - * %-EIO - I/O error - * - * %-ENOSPC - No space left on device (only in a panic state). - * - * %-ERESTARTSYS - Interrupted. - * - * %-ENOMEM - Insufficient memory available. + * Return: 0 on success, or one of the following negative error codes on + * failure: + * * %-EIO - I/O error (including metadata corruption). + * * %-ENOMEM - Insufficient memory available. + * * %-ENOSPC - No space left on device (only in a panic state). + * * %-ERESTARTSYS - Interrupted. + * * %-EROFS - Read only filesystem. */ int nilfs_construct_dsync_segment(struct super_block *sb, struct inode *inode, loff_t start, loff_t end) @@ -2466,6 +2461,8 @@ static void nilfs_segctor_notify(struct nilfs_sc_info *sci, int mode, int err) * nilfs_segctor_construct - form logs and write them to disk * @sci: segment constructor object * @mode: mode of log forming + * + * Return: 0 on success, or a negative error code on failure. */ static int nilfs_segctor_construct(struct nilfs_sc_info *sci, int mode) { @@ -2838,7 +2835,8 @@ static void nilfs_segctor_destroy(struct nilfs_sc_info *sci) * This allocates a log writer object, initializes it, and starts the * log writer. * - * Return: 0 on success, or the following negative error code on failure. + * Return: 0 on success, or one of the following negative error codes on + * failure: * * %-EINTR - Log writer thread creation failed due to interruption. * * %-ENOMEM - Insufficient memory available. */ |