[PATCH v3 34/56] fs: fix kernel-doc markups

Mauro Carvalho Chehab
2020-10-23T16:35:56Z

Two markups are at the wrong place. Kernel-doc only
support having the comment just before the identifier.

Also, some identifiers have different names between their
prototypes and the kernel-doc markup.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
fs/dcache.c | 72 +++++++++++++++++++++++++--------------------------
fs/inode.c | 4 +--
fs/seq_file.c | 5 ++--
fs/super.c | 12 ++++-----
4 files changed, 47 insertions(+), 46 deletions(-)

diff --git a/fs/dcache.c b/fs/dcache.c
index ea0485861d93..6eabb48a49fc 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -456,23 +456,6 @@ static void d_lru_shrink_move(struct list_lru_one *lru, struct dentry *dentry,
list_lru_isolate_move(lru, &dentry->d_lru, list);
}

-/**
- * d_drop - drop a dentry
- * @dentry: dentry to drop
- *
- * d_drop() unhashes the entry from the parent dentry hashes, so that it won't
- * be found through a VFS lookup any more. Note that this is different from
- * deleting the dentry - d_delete will try to mark the dentry negative if
- * possible, giving a successful _negative_ lookup, while d_drop will
- * just make the cache lookup fail.
- *
- * d_drop() is used mainly for stuff that wants to invalidate a dentry for some
- * reason (NFS timeouts or autofs deletes).
- *
- * __d_drop requires dentry->d_lock
- * ___d_drop doesn't mark dentry as "unhashed"
- * (dentry->d_hash.pprev will be LIST_POISON2, not NULL).
- */
static void ___d_drop(struct dentry *dentry)
{
struct hlist_bl_head *b;
@@ -501,6 +484,23 @@ void __d_drop(struct dentry *dentry)
}
EXPORT_SYMBOL(__d_drop);

+/**
+ * d_drop - drop a dentry
+ * @dentry: dentry to drop
+ *
+ * d_drop() unhashes the entry from the parent dentry hashes, so that it won't
+ * be found through a VFS lookup any more. Note that this is different from
+ * deleting the dentry - d_delete will try to mark the dentry negative if
+ * possible, giving a successful _negative_ lookup, while d_drop will
+ * just make the cache lookup fail.
+ *
+ * d_drop() is used mainly for stuff that wants to invalidate a dentry for some
+ * reason (NFS timeouts or autofs deletes).
+ *
+ * __d_drop requires dentry->d_lock
+ * ___d_drop doesn't mark dentry as "unhashed"
+ * (dentry->d_hash.pprev will be LIST_POISON2, not NULL).
+ */
void d_drop(struct dentry *dentry)
{
spin_lock(&dentry->d_lock);
@@ -989,6 +989,25 @@ struct dentry *d_find_any_alias(struct inode *inode)
}
EXPORT_SYMBOL(d_find_any_alias);

+static struct dentry *__d_find_alias(struct inode *inode)
+{
+ struct dentry *alias;
+
+ if (S_ISDIR(inode->i_mode))
+ return __d_find_any_alias(inode);
+
+ hlist_for_each_entry(alias, &inode->i_dentry, d_u.d_alias) {
+ spin_lock(&alias->d_lock);
+ if (!d_unhashed(alias)) {
+ __dget_dlock(alias);
+ spin_unlock(&alias->d_lock);
+ return alias;
+ }
+ spin_unlock(&alias->d_lock);
+ }
+ return NULL;
+}
+
/**
* d_find_alias - grab a hashed alias of inode
* @inode: inode in question
@@ -1003,25 +1022,6 @@ EXPORT_SYMBOL(d_find_any_alias);
* If the inode has an IS_ROOT, DCACHE_DISCONNECTED alias, then prefer
* any other hashed alias over that one.
*/
-static struct dentry *__d_find_alias(struct inode *inode)
-{
- struct dentry *alias;
-
- if (S_ISDIR(inode->i_mode))
- return __d_find_any_alias(inode);
-
- hlist_for_each_entry(alias, &inode->i_dentry, d_u.d_alias) {
- spin_lock(&alias->d_lock);
- if (!d_unhashed(alias)) {
- __dget_dlock(alias);
- spin_unlock(&alias->d_lock);
- return alias;
- }
- spin_unlock(&alias->d_lock);
- }
- return NULL;
-}
-
struct dentry *d_find_alias(struct inode *inode)
{
struct dentry *de = NULL;
diff --git a/fs/inode.c b/fs/inode.c
index 9d78c37b00b8..aad3dcf2e259 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -1496,7 +1496,7 @@ struct inode *find_inode_rcu(struct super_block *sb, unsigned long hashval,
EXPORT_SYMBOL(find_inode_rcu);

/**
- * find_inode_by_rcu - Find an inode in the inode cache
+ * find_inode_by_ino_rcu - Find an inode in the inode cache
* @sb: Super block of file system to search
* @ino: The inode number to match
*
@@ -1778,7 +1778,7 @@ static int update_time(struct inode *inode, struct timespec64 *time, int flags)
}

/**
- * touch_atime - update the access time
+ * atime_needs_update - update the access time
* @path: the &struct path to update
* @inode: inode to update
*
diff --git a/fs/seq_file.c b/fs/seq_file.c
index 31219c1db17d..f0b933179a74 100644
--- a/fs/seq_file.c
+++ b/fs/seq_file.c
@@ -653,7 +653,8 @@ void seq_puts(struct seq_file *m, const char *s)
EXPORT_SYMBOL(seq_puts);

/**
- * A helper routine for putting decimal numbers without rich format of printf().
+ * seq_put_decimal_ull_width - A helper routine for putting decimal numbers
+ * without rich format of printf().
* only 'unsigned long long' is supported.
* @m: seq_file identifying the buffer to which data should be written
* @delimiter: a string which is printed before the number
@@ -1028,7 +1029,7 @@ struct hlist_node *seq_hlist_next_rcu(void *v,
EXPORT_SYMBOL(seq_hlist_next_rcu);

/**
- * seq_hlist_start_precpu - start an iteration of a percpu hlist array
+ * seq_hlist_start_percpu - start an iteration of a percpu hlist array
* @head: pointer to percpu array of struct hlist_heads
* @cpu: pointer to cpu "cursor"
* @pos: start position of sequence
diff --git a/fs/super.c b/fs/super.c
index a51c2083cd6b..3f7a4c10ef0a 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -1820,12 +1820,6 @@ int freeze_super(struct super_block *sb)
}
EXPORT_SYMBOL(freeze_super);

-/**
- * thaw_super -- unlock filesystem
- * @sb: the super to thaw
- *
- * Unlocks the filesystem and marks it writeable again after freeze_super().
- */
static int thaw_super_locked(struct super_block *sb)
{
int error;
@@ -1861,6 +1855,12 @@ static int thaw_super_locked(struct super_block *sb)
return 0;
}

+/**
+ * thaw_super -- unlock filesystem
+ * @sb: the super to thaw
+ *
+ * Unlocks the filesystem and marks it writeable again after freeze_super().
+ */
int thaw_super(struct super_block *sb)
{
down_write(&sb->s_umount);
--
2.26.2