diff options
Diffstat (limited to 'fs/nilfs2/segment.c')
| -rw-r--r-- | fs/nilfs2/segment.c | 66 |
1 files changed, 33 insertions, 33 deletions
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index 587251830897..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) { @@ -734,7 +736,6 @@ static size_t nilfs_lookup_dirty_data_buffers(struct inode *inode, if (!head) head = create_empty_buffers(folio, i_blocksize(inode), 0); - folio_unlock(folio); bh = head; do { @@ -744,11 +745,14 @@ static size_t nilfs_lookup_dirty_data_buffers(struct inode *inode, list_add_tail(&bh->b_assoc_buffers, listp); ndirties++; if (unlikely(ndirties >= nlimit)) { + folio_unlock(folio); folio_batch_release(&fbatch); cond_resched(); return ndirties; } } while (bh = bh->b_this_page, bh != head); + + folio_unlock(folio); } folio_batch_release(&fbatch); cond_resched(); @@ -1118,7 +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. @@ -1315,6 +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) @@ -2312,18 +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) { @@ -2347,18 +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) @@ -2464,6 +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) { @@ -2836,7 +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. */ |