Commit d33544ad authored by Ryusuke Konishi's avatar Ryusuke Konishi Committed by Andrew Morton
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nilfs2: correct return value kernel-doc descriptions for sufile

Similar to the previous changes to fix return value descriptions, this
fixes the format of the return value descriptions of functions for
sufile-related functions, eliminating a dozen warnings emitted by the
kernel-doc script.

Link: https://lkml.kernel.org/r/20250110010530.21872-4-konishi.ryusuke@gmail.com


Signed-off-by: default avatarRyusuke Konishi <konishi.ryusuke@gmail.com>
Cc: "Brian G ." <gissf1@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent e4a99d48
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+39 −63
Original line number Diff line number Diff line
@@ -155,17 +155,13 @@ unsigned long nilfs_sufile_get_ncleansegs(struct inode *sufile)
 * of successfully modified segments from the head is stored in the
 * place @ndone points to.
 *
 * Return Value: On success, zero is returned.  On error, one of the
 * following negative error codes is returned.
 *
 * %-EIO - I/O error.
 *
 * %-ENOMEM - Insufficient amount of memory available.
 *
 * %-ENOENT - Given segment usage is in hole block (may be returned if
 * Return: 0 on success, or one of the following negative error codes on
 * failure:
 * * %-EINVAL	- Invalid segment usage number
 * * %-EIO	- I/O error (including metadata corruption).
 * * %-ENOENT	- Given segment usage is in hole block (may be returned if
 *		  @create is zero)
 *
 * %-EINVAL - Invalid segment usage number
 * * %-ENOMEM	- Insufficient memory available.
 */
int nilfs_sufile_updatev(struct inode *sufile, __u64 *segnumv, size_t nsegs,
			 int create, size_t *ndone,
@@ -272,10 +268,7 @@ int nilfs_sufile_update(struct inode *sufile, __u64 segnum, int create,
 * @start: minimum segment number of allocatable region (inclusive)
 * @end: maximum segment number of allocatable region (inclusive)
 *
 * Return Value: On success, 0 is returned.  On error, one of the
 * following negative error codes is returned.
 *
 * %-ERANGE - invalid segment region
 * Return: 0 on success, or %-ERANGE if segment range is invalid.
 */
int nilfs_sufile_set_alloc_range(struct inode *sufile, __u64 start, __u64 end)
{
@@ -300,17 +293,14 @@ int nilfs_sufile_set_alloc_range(struct inode *sufile, __u64 start, __u64 end)
 * @sufile: inode of segment usage file
 * @segnump: pointer to segment number
 *
 * Description: nilfs_sufile_alloc() allocates a clean segment.
 *
 * Return Value: On success, 0 is returned and the segment number of the
 * allocated segment is stored in the place pointed by @segnump. On error, one
 * of the following negative error codes is returned.
 *
 * %-EIO - I/O error.
 * Description: nilfs_sufile_alloc() allocates a clean segment, and stores
 * its segment number in the place pointed to by @segnump.
 *
 * %-ENOMEM - Insufficient amount of memory available.
 *
 * %-ENOSPC - No clean segment left.
 * 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 clean segment left.
 */
int nilfs_sufile_alloc(struct inode *sufile, __u64 *segnump)
{
@@ -610,16 +600,13 @@ int nilfs_sufile_set_segment_usage(struct inode *sufile, __u64 segnum,
 * @sufile: inode of segment usage file
 * @sustat: pointer to a structure of segment usage statistics
 *
 * Description: nilfs_sufile_get_stat() returns information about segment
 * usage.
 *
 * Return Value: On success, 0 is returned, and segment usage information is
 * stored in the place pointed by @sustat. On error, one of the following
 * negative error codes is returned.
 * Description: nilfs_sufile_get_stat() retrieves segment usage statistics
 * and stores them in the location pointed to by @sustat.
 *
 * %-EIO - I/O error.
 *
 * %-ENOMEM - Insufficient amount of 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.
 */
int nilfs_sufile_get_stat(struct inode *sufile, struct nilfs_sustat *sustat)
{
@@ -683,16 +670,12 @@ void nilfs_sufile_do_set_error(struct inode *sufile, __u64 segnum,
 * @start: start segment number (inclusive)
 * @end: end segment number (inclusive)
 *
 * Return Value: On success, 0 is returned.  On error, one of the
 * following negative error codes is returned.
 *
 * %-EIO - I/O error.
 *
 * %-ENOMEM - Insufficient amount of memory available.
 *
 * %-EINVAL - Invalid number of segments specified
 *
 * %-EBUSY - Dirty or active segments are present in the range
 * Return: 0 on success, or one of the following negative error codes on
 * failure:
 * * %-EBUSY	- Dirty or active segments are present in the range.
 * * %-EINVAL	- Invalid number of segments specified.
 * * %-EIO	- I/O error (including metadata corruption).
 * * %-ENOMEM	- Insufficient memory available.
 */
static int nilfs_sufile_truncate_range(struct inode *sufile,
				       __u64 start, __u64 end)
@@ -787,16 +770,12 @@ static int nilfs_sufile_truncate_range(struct inode *sufile,
 * @sufile: inode of segment usage file
 * @newnsegs: new number of segments
 *
 * Return Value: On success, 0 is returned.  On error, one of the
 * following negative error codes is returned.
 *
 * %-EIO - I/O error.
 *
 * %-ENOMEM - Insufficient amount of memory available.
 *
 * %-ENOSPC - Enough free space is not left for shrinking
 *
 * %-EBUSY - Dirty or active segments exist in the region to be truncated
 * Return: 0 on success, or one of the following negative error codes on
 * failure:
 * * %-EBUSY	- Dirty or active segments exist in the region to be truncated.
 * * %-EIO	- I/O error (including metadata corruption).
 * * %-ENOMEM	- Insufficient memory available.
 * * %-ENOSPC	- Enough free space is not left for shrinking.
 */
int nilfs_sufile_resize(struct inode *sufile, __u64 newnsegs)
{
@@ -939,14 +918,11 @@ ssize_t nilfs_sufile_get_suinfo(struct inode *sufile, __u64 segnum, void *buf,
 * segment usage accordingly. Only the fields indicated by the sup_flags
 * are updated.
 *
 * Return Value: On success, 0 is returned. On error, one of the
 * following negative error codes is returned.
 *
 * %-EIO - I/O error.
 *
 * %-ENOMEM - Insufficient amount of memory available.
 *
 * %-EINVAL - Invalid values in input (segment number, flags or nblocks)
 * Return: 0 on success, or one of the following negative error codes on
 * failure:
 * * %-EINVAL	- Invalid values in input (segment number, flags or nblocks).
 * * %-EIO	- I/O error (including metadata corruption).
 * * %-ENOMEM	- Insufficient memory available.
 */
ssize_t nilfs_sufile_set_suinfo(struct inode *sufile, void *buf,
				unsigned int supsz, size_t nsup)
@@ -1073,7 +1049,7 @@ ssize_t nilfs_sufile_set_suinfo(struct inode *sufile, void *buf,
 * and start+len is rounded down. For each clean segment blkdev_issue_discard
 * function is invoked.
 *
 * Return Value: On success, 0 is returned or negative error code, otherwise.
 * Return: 0 on success, or a negative error code on failure.
 */
int nilfs_sufile_trim_fs(struct inode *sufile, struct fstrim_range *range)
{
+6 −10
Original line number Diff line number Diff line
@@ -95,8 +95,7 @@ static inline int nilfs_sufile_freev(struct inode *sufile, __u64 *segnumv,
 * @nsegs: size of @segnumv array
 * @ndone: place to store the number of cancelled segments
 *
 * Return Value: On success, 0 is returned. On error, a negative error codes
 * is returned.
 * Return: 0 on success, or a negative error code on failure.
 */
static inline int nilfs_sufile_cancel_freev(struct inode *sufile,
					    __u64 *segnumv, size_t nsegs,
@@ -114,14 +113,11 @@ static inline int nilfs_sufile_cancel_freev(struct inode *sufile,
 * Description: nilfs_sufile_set_error() marks the segment specified by
 * @segnum as erroneous. The error segment will never be used again.
 *
 * Return Value: On success, 0 is returned. On error, one of the following
 * negative error codes is returned.
 *
 * %-EIO - I/O error.
 *
 * %-ENOMEM - Insufficient amount of memory available.
 *
 * %-EINVAL - Invalid segment usage number.
 * Return: 0 on success, or one of the following negative error codes on
 * failure:
 * * %-EINVAL	- Invalid segment usage number.
 * * %-EIO	- I/O error (including metadata corruption).
 * * %-ENOMEM	- Insufficient memory available.
 */
static inline int nilfs_sufile_set_error(struct inode *sufile, __u64 segnum)
{