The patch titled
Subject: nilfs2: correct return value kernel-doc descriptions for the rest
has been added to the -mm mm-nonmm-unstable branch. Its filename is
nilfs2-correct-return-value-kernel-doc-descriptions-for-the-rest.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/nilfs2-correct-return-value-kernel-doc-descriptions-for-the-rest.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxx>
Subject: nilfs2: correct return value kernel-doc descriptions for the rest
Date: Thu, 9 Jan 2025 12:23:24 +0900
Similar to the previous changes to fix return value descriptions, this
fixes the format of the return value descriptions of functions for the
rest.
Link: https://lkml.kernel.org/r/20250109032846.10147-6-konishi.ryusuke@xxxxxxxxx
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/nilfs2/gcinode.c | 22 +++++++------------
fs/nilfs2/inode.c | 12 ++--------
fs/nilfs2/recovery.c | 30 ++++++++------------------
fs/nilfs2/segbuf.c | 12 +---------
fs/nilfs2/segment.c | 45 +++++++++++++---------------------------
fs/nilfs2/the_nilfs.c | 12 ++++------
6 files changed, 43 insertions(+), 90 deletions(-)
--- a/fs/nilfs2/gcinode.c~nilfs2-correct-return-value-kernel-doc-descriptions-for-the-rest
+++ a/fs/nilfs2/gcinode.c
@@ -46,14 +46,10 @@
* specified by @pbn to the GC pagecache with the key @blkoff.
* This function sets @vbn (@pbn if @vbn is zero) in b_blocknr of the buffer.
*
- * Return Value: On success, 0 is returned. On Error, one of the following
- * negative error code is returned.
- *
- * %-EIO - I/O error.
- *
- * %-ENOMEM - Insufficient amount of memory available.
- *
- * %-ENOENT - The block specified with @pbn does not exist.
+ * Return: 0 on success, or the following negative error code on failure.
+ * * %-EIO - I/O error (including metadata corruption).
+ * * %-ENOENT - The block specified with @pbn does not exist.
+ * * %-ENOMEM - Insufficient memory available.
*/
int nilfs_gccache_submit_read_data(struct inode *inode, sector_t blkoff,
sector_t pbn, __u64 vbn,
@@ -114,12 +110,10 @@ int nilfs_gccache_submit_read_data(struc
* specified by @vbn to the GC pagecache. @pbn can be supplied by the
* caller to avoid translation of the disk block address.
*
- * Return Value: On success, 0 is returned. On Error, one of the following
- * negative error code is returned.
- *
- * %-EIO - I/O error.
- *
- * %-ENOMEM - Insufficient amount of memory available.
+ * Return: 0 on success, or the following negative error code on failure.
+ * * %-EIO - I/O error (including metadata corruption).
+ * * %-ENOENT - Invalid virtual block address.
+ * * %-ENOMEM - Insufficient memory available.
*/
int nilfs_gccache_submit_read_node(struct inode *inode, sector_t pbn,
__u64 vbn, struct buffer_head **out_bh)
--- a/fs/nilfs2/inode.c~nilfs2-correct-return-value-kernel-doc-descriptions-for-the-rest
+++ a/fs/nilfs2/inode.c
@@ -598,10 +598,7 @@ struct inode *nilfs_iget_for_gc(struct s
* or does nothing if the inode already has it. This function allocates
* an additional inode to maintain page cache of B-tree nodes one-on-one.
*
- * Return Value: On success, 0 is returned. On errors, one of the following
- * negative error code is returned.
- *
- * %-ENOMEM - Insufficient memory available.
+ * Return: 0 on success, or %-ENOMEM if memory is insufficient.
*/
int nilfs_attach_btree_node_cache(struct inode *inode)
{
@@ -660,11 +657,8 @@ void nilfs_detach_btree_node_cache(struc
* in one inode and the one for b-tree node pages is set up in the
* other inode, which is attached to the former inode.
*
- * Return Value: On success, a pointer to the inode for data pages is
- * returned. On errors, one of the following negative error code is returned
- * in a pointer type.
- *
- * %-ENOMEM - Insufficient memory available.
+ * Return: a pointer to the inode for data pages on success, or %-ENOMEM
+ * if memory is insufficient.
*/
struct inode *nilfs_iget_for_shadow(struct inode *inode)
{
--- a/fs/nilfs2/recovery.c~nilfs2-correct-return-value-kernel-doc-descriptions-for-the-rest
+++ a/fs/nilfs2/recovery.c
@@ -754,18 +754,12 @@ static void nilfs_abort_roll_forward(str
* @sb: super block instance
* @ri: pointer to a nilfs_recovery_info struct to store search results.
*
- * Return Value: On success, 0 is returned. On error, one of the following
- * negative error code is returned.
- *
- * %-EINVAL - Inconsistent filesystem state.
- *
- * %-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 the following negative error code on failure.
+ * * %-EINVAL - Inconsistent filesystem state.
+ * * %-EIO - I/O error.
+ * * %-ENOMEM - Insufficient memory available.
+ * * %-ENOSPC - No space left on device (only in a panic state).
+ * * %-ERESTARTSYS - Interrupted.
*/
int nilfs_salvage_orphan_logs(struct the_nilfs *nilfs,
struct super_block *sb,
@@ -830,14 +824,10 @@ failed:
* segment pointed by the superblock. It sets up struct the_nilfs through
* this search. It fills nilfs_recovery_info (ri) required for recovery.
*
- * Return Value: On success, 0 is returned. On error, one of the following
- * negative error code is returned.
- *
- * %-EINVAL - No valid segment found
- *
- * %-EIO - I/O error
- *
- * %-ENOMEM - Insufficient memory available.
+ * Return: 0 on success, or the following negative error code on failure.
+ * * %-EINVAL - No valid segment found.
+ * * %-EIO - I/O error.
+ * * %-ENOMEM - Insufficient memory available.
*/
int nilfs_search_super_root(struct the_nilfs *nilfs,
struct nilfs_recovery_info *ri)
--- a/fs/nilfs2/segbuf.c~nilfs2-correct-return-value-kernel-doc-descriptions-for-the-rest
+++ a/fs/nilfs2/segbuf.c
@@ -406,12 +406,7 @@ static int nilfs_segbuf_submit_bh(struct
* @segbuf: buffer storing a log to be written
* @nilfs: nilfs object
*
- * Return Value: On Success, 0 is returned. On Error, one of the following
- * negative error code is returned.
- *
- * %-EIO - I/O error
- *
- * %-ENOMEM - Insufficient memory available.
+ * Return: Always 0.
*/
static int nilfs_segbuf_write(struct nilfs_segment_buffer *segbuf,
struct the_nilfs *nilfs)
@@ -452,10 +447,7 @@ static int nilfs_segbuf_write(struct nil
* nilfs_segbuf_wait - wait for completion of requested BIOs
* @segbuf: segment buffer
*
- * Return Value: On Success, 0 is returned. On Error, one of the following
- * negative error code is returned.
- *
- * %-EIO - I/O error
+ * Return: 0 on success, or %-EIO if I/O error is detected.
*/
static int nilfs_segbuf_wait(struct nilfs_segment_buffer *segbuf)
{
--- a/fs/nilfs2/segment.c~nilfs2-correct-return-value-kernel-doc-descriptions-for-the-rest
+++ a/fs/nilfs2/segment.c
@@ -191,12 +191,9 @@ static int nilfs_prepare_segment_lock(st
* 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 the following negative error code 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,
@@ -2314,18 +2311,12 @@ static void nilfs_segctor_wakeup(struct
* 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 the following negative error code 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 +2340,12 @@ int nilfs_construct_segment(struct super
* @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 the following negative error code 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)
--- a/fs/nilfs2/the_nilfs.c~nilfs2-correct-return-value-kernel-doc-descriptions-for-the-rest
+++ a/fs/nilfs2/the_nilfs.c
@@ -49,8 +49,8 @@ void nilfs_set_last_segment(struct the_n
* alloc_nilfs - allocate a nilfs object
* @sb: super block instance
*
- * Return Value: On success, pointer to the_nilfs is returned.
- * On error, NULL is returned.
+ * Return: a pointer to the allocated nilfs object on success, or NULL on
+ * failure.
*/
struct the_nilfs *alloc_nilfs(struct super_block *sb)
{
@@ -200,8 +200,7 @@ static int nilfs_store_log_cursor(struct
* exponent information written in @sbp and stores it in @blocksize,
* or aborts with an error message if it's too large.
*
- * Return Value: On success, 0 is returned. If the block size is too
- * large, -EINVAL is returned.
+ * Return: 0 on success, or %-EINVAL if the block size is too large.
*/
static int nilfs_get_blocksize(struct super_block *sb,
struct nilfs_super_block *sbp, int *blocksize)
@@ -538,7 +537,7 @@ static int nilfs_valid_sb(struct nilfs_s
* area, or if the parameters themselves are not normal, it is
* determined to be invalid.
*
- * Return Value: true if invalid, false if valid.
+ * Return: true if invalid, false if valid.
*/
static bool nilfs_sb2_bad_offset(struct nilfs_super_block *sbp, u64 offset)
{
@@ -684,8 +683,7 @@ static int nilfs_load_super_block(struct
* reading the super block, getting disk layout information, initializing
* shared fields in the_nilfs).
*
- * Return Value: On success, 0 is returned. On error, a negative error
- * code is returned.
+ * Return: 0 on success, or a negative error code on failure.
*/
int init_nilfs(struct the_nilfs *nilfs, struct super_block *sb)
{
_
Patches currently in -mm which might be from konishi.ryusuke@xxxxxxxxx are
nilfs2-do-not-force-clear-folio-if-buffer-is-referenced.patch
nilfs2-protect-access-to-buffers-with-no-active-references.patch
nilfs2-correct-return-value-kernel-doc-descriptions-for-ioctl-functions.patch
nilfs2-correct-return-value-kernel-doc-descriptions-for-bmap-functions.patch
nilfs2-correct-return-value-kernel-doc-descriptions-for-sufile.patch
nilfs2-correct-return-value-kernel-doc-descriptions-for-metadata-files.patch
nilfs2-correct-return-value-kernel-doc-descriptions-for-the-rest.patch
nilfs2-add-missing-return-value-kernel-doc-descriptions.patch
