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kernfs: fix all kernel-doc warnings and multiple typos
Fix kernel-doc warnings. Many of these are about a function's return value, so use the kernel-doc Return: format to fix those Use % prefix on numeric constant values. dir.c: fix typos/spellos file.c fix typo: s/taret/target/ Fix all of these kernel-doc warnings: dir.c:305: warning: missing initial short description on line: * kernfs_name_hash dir.c:137: warning: No description found for return value of 'kernfs_path_from_node_locked' dir.c:196: warning: No description found for return value of 'kernfs_name' dir.c:224: warning: No description found for return value of 'kernfs_path_from_node' dir.c:292: warning: No description found for return value of 'kernfs_get_parent' dir.c:312: warning: No description found for return value of 'kernfs_name_hash' dir.c:404: warning: No description found for return value of 'kernfs_unlink_sibling' dir.c:588: warning: No description found for return value of 'kernfs_node_from_dentry' dir.c:806: warning: No description found for return value of 'kernfs_find_ns' dir.c:879: warning: No description found for return value of 'kernfs_find_and_get_ns' dir.c:904: warning: No description found for return value of 'kernfs_walk_and_get_ns' dir.c:927: warning: No description found for return value of 'kernfs_create_root' dir.c:996: warning: No description found for return value of 'kernfs_root_to_node' dir.c:1016: warning: No description found for return value of 'kernfs_create_dir_ns' dir.c:1048: warning: No description found for return value of 'kernfs_create_empty_dir' dir.c:1306: warning: No description found for return value of 'kernfs_next_descendant_post' dir.c:1568: warning: No description found for return value of 'kernfs_remove_self' dir.c:1630: warning: No description found for return value of 'kernfs_remove_by_name_ns' dir.c:1667: warning: No description found for return value of 'kernfs_rename_ns' file.c:66: warning: No description found for return value of 'of_on' file.c:88: warning: No description found for return value of 'kernfs_deref_open_node_locked' file.c:1036: warning: No description found for return value of '__kernfs_create_file' inode.c💯 warning: No description found for return value of 'kernfs_setattr' mount.c:160: warning: No description found for return value of 'kernfs_root_from_sb' mount.c:198: warning: No description found for return value of 'kernfs_node_dentry' mount.c:302: warning: No description found for return value of 'kernfs_super_ns' mount.c:318: warning: No description found for return value of 'kernfs_get_tree' symlink.c:28: warning: No description found for return value of 'kernfs_create_link' Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Tejun Heo <tj@kernel.org> Acked-by: Tejun Heo <tj@kernel.org> Link: https://lore.kernel.org/r/20221112031456.22980-1-rdunlap@infradead.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Randy Dunlap
Greg Kroah-Hartman
parent
9f041c5d82
commit
24b3e3dd9c
@ -125,9 +125,9 @@ static struct kernfs_node *kernfs_common_ancestor(struct kernfs_node *a,
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* kn_to: /n1/n2/n3 [depth=3]
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* result: /../..
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*
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* [3] when @kn_to is NULL result will be "(null)"
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* [3] when @kn_to is %NULL result will be "(null)"
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*
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* Returns the length of the full path. If the full length is equal to or
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* Return: the length of the full path. If the full length is equal to or
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* greater than @buflen, @buf contains the truncated path with the trailing
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* '\0'. On error, -errno is returned.
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*/
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@ -185,10 +185,12 @@ static int kernfs_path_from_node_locked(struct kernfs_node *kn_to,
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* @buflen: size of @buf
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*
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* Copies the name of @kn into @buf of @buflen bytes. The behavior is
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* similar to strlcpy(). It returns the length of @kn's name and if @buf
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* isn't long enough, it's filled upto @buflen-1 and nul terminated.
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* similar to strlcpy().
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*
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* Fills buffer with "(null)" if @kn is NULL.
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* Fills buffer with "(null)" if @kn is %NULL.
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*
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* Return: the length of @kn's name and if @buf isn't long enough,
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* it's filled up to @buflen-1 and nul terminated.
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*
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* This function can be called from any context.
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*/
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@ -215,7 +217,7 @@ int kernfs_name(struct kernfs_node *kn, char *buf, size_t buflen)
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* path (which includes '..'s) as needed to reach from @from to @to is
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* returned.
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*
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* Returns the length of the full path. If the full length is equal to or
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* Return: the length of the full path. If the full length is equal to or
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* greater than @buflen, @buf contains the truncated path with the trailing
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* '\0'. On error, -errno is returned.
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*/
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@ -287,6 +289,8 @@ void pr_cont_kernfs_path(struct kernfs_node *kn)
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*
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* Determines @kn's parent, pins and returns it. This function can be
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* called from any context.
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*
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* Return: parent node of @kn
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*/
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struct kernfs_node *kernfs_get_parent(struct kernfs_node *kn)
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{
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@ -302,11 +306,11 @@ struct kernfs_node *kernfs_get_parent(struct kernfs_node *kn)
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}
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/**
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* kernfs_name_hash
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* kernfs_name_hash - calculate hash of @ns + @name
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* @name: Null terminated string to hash
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* @ns: Namespace tag to hash
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*
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* Returns 31 bit hash of ns + name (so it fits in an off_t )
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* Return: 31-bit hash of ns + name (so it fits in an off_t)
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*/
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static unsigned int kernfs_name_hash(const char *name, const void *ns)
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{
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@ -354,8 +358,8 @@ static int kernfs_sd_compare(const struct kernfs_node *left,
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* Locking:
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* kernfs_rwsem held exclusive
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*
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* RETURNS:
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* 0 on susccess -EEXIST on failure.
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* Return:
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* %0 on success, -EEXIST on failure.
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*/
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static int kernfs_link_sibling(struct kernfs_node *kn)
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{
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@ -394,8 +398,10 @@ static int kernfs_link_sibling(struct kernfs_node *kn)
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* @kn: kernfs_node of interest
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*
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* Try to unlink @kn from its sibling rbtree which starts from
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* kn->parent->dir.children. Returns %true if @kn was actually
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* removed, %false if @kn wasn't on the rbtree.
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* kn->parent->dir.children.
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*
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* Return: %true if @kn was actually removed,
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* %false if @kn wasn't on the rbtree.
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*
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* Locking:
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* kernfs_rwsem held exclusive
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@ -419,10 +425,10 @@ static bool kernfs_unlink_sibling(struct kernfs_node *kn)
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* @kn: kernfs_node to get an active reference to
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*
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* Get an active reference of @kn. This function is noop if @kn
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* is NULL.
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* is %NULL.
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*
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* RETURNS:
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* Pointer to @kn on success, NULL on failure.
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* Return:
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* Pointer to @kn on success, %NULL on failure.
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*/
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struct kernfs_node *kernfs_get_active(struct kernfs_node *kn)
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{
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@ -442,7 +448,7 @@ struct kernfs_node *kernfs_get_active(struct kernfs_node *kn)
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* @kn: kernfs_node to put an active reference to
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*
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* Put an active reference to @kn. This function is noop if @kn
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* is NULL.
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* is %NULL.
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*/
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void kernfs_put_active(struct kernfs_node *kn)
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{
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@ -464,7 +470,7 @@ void kernfs_put_active(struct kernfs_node *kn)
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* kernfs_drain - drain kernfs_node
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* @kn: kernfs_node to drain
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*
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* Drain existing usages and nuke all existing mmaps of @kn. Mutiple
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* Drain existing usages and nuke all existing mmaps of @kn. Multiple
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* removers may invoke this function concurrently on @kn and all will
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* return after draining is complete.
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*/
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@ -577,7 +583,7 @@ EXPORT_SYMBOL_GPL(kernfs_put);
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* kernfs_node_from_dentry - determine kernfs_node associated with a dentry
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* @dentry: the dentry in question
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*
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* Return the kernfs_node associated with @dentry. If @dentry is not a
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* Return: the kernfs_node associated with @dentry. If @dentry is not a
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* kernfs one, %NULL is returned.
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*
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* While the returned kernfs_node will stay accessible as long as @dentry
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@ -684,8 +690,8 @@ struct kernfs_node *kernfs_new_node(struct kernfs_node *parent,
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* @id's lower 32bits encode ino and upper gen. If the gen portion is
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* zero, all generations are matched.
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*
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* RETURNS:
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* NULL on failure. Return a kernfs node with reference counter incremented
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* Return: %NULL on failure,
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* otherwise a kernfs node with reference counter incremented.
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*/
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struct kernfs_node *kernfs_find_and_get_node_by_id(struct kernfs_root *root,
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u64 id)
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@ -733,8 +739,8 @@ struct kernfs_node *kernfs_find_and_get_node_by_id(struct kernfs_root *root,
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* function increments nlink of the parent's inode if @kn is a
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* directory and link into the children list of the parent.
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*
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* RETURNS:
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* 0 on success, -EEXIST if entry with the given name already
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* Return:
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* %0 on success, -EEXIST if entry with the given name already
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* exists.
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*/
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int kernfs_add_one(struct kernfs_node *kn)
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@ -797,8 +803,9 @@ int kernfs_add_one(struct kernfs_node *kn)
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* @name: name to look for
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* @ns: the namespace tag to use
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*
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* Look for kernfs_node with name @name under @parent. Returns pointer to
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* the found kernfs_node on success, %NULL on failure.
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* Look for kernfs_node with name @name under @parent.
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*
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* Return: pointer to the found kernfs_node on success, %NULL on failure.
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*/
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static struct kernfs_node *kernfs_find_ns(struct kernfs_node *parent,
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const unsigned char *name,
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@ -871,8 +878,9 @@ static struct kernfs_node *kernfs_walk_ns(struct kernfs_node *parent,
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* @ns: the namespace tag to use
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*
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* Look for kernfs_node with name @name under @parent and get a reference
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* if found. This function may sleep and returns pointer to the found
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* kernfs_node on success, %NULL on failure.
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* if found. This function may sleep.
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*
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* Return: pointer to the found kernfs_node on success, %NULL on failure.
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*/
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struct kernfs_node *kernfs_find_and_get_ns(struct kernfs_node *parent,
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const char *name, const void *ns)
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@ -896,8 +904,9 @@ EXPORT_SYMBOL_GPL(kernfs_find_and_get_ns);
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* @ns: the namespace tag to use
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*
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* Look for kernfs_node with path @path under @parent and get a reference
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* if found. This function may sleep and returns pointer to the found
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* kernfs_node on success, %NULL on failure.
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* if found. This function may sleep.
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*
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* Return: pointer to the found kernfs_node on success, %NULL on failure.
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*/
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struct kernfs_node *kernfs_walk_and_get_ns(struct kernfs_node *parent,
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const char *path, const void *ns)
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@ -919,7 +928,7 @@ struct kernfs_node *kernfs_walk_and_get_ns(struct kernfs_node *parent,
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* @flags: KERNFS_ROOT_* flags
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* @priv: opaque data associated with the new directory
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*
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* Returns the root of the new hierarchy on success, ERR_PTR() value on
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* Return: the root of the new hierarchy on success, ERR_PTR() value on
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* failure.
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*/
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struct kernfs_root *kernfs_create_root(struct kernfs_syscall_ops *scops,
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@ -991,6 +1000,8 @@ void kernfs_destroy_root(struct kernfs_root *root)
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/**
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* kernfs_root_to_node - return the kernfs_node associated with a kernfs_root
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* @root: root to use to lookup
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*
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* Return: @root's kernfs_node
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*/
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struct kernfs_node *kernfs_root_to_node(struct kernfs_root *root)
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{
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@ -1007,7 +1018,7 @@ struct kernfs_node *kernfs_root_to_node(struct kernfs_root *root)
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* @priv: opaque data associated with the new directory
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* @ns: optional namespace tag of the directory
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*
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* Returns the created node on success, ERR_PTR() value on failure.
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* Return: the created node on success, ERR_PTR() value on failure.
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*/
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struct kernfs_node *kernfs_create_dir_ns(struct kernfs_node *parent,
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const char *name, umode_t mode,
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@ -1041,7 +1052,7 @@ struct kernfs_node *kernfs_create_dir_ns(struct kernfs_node *parent,
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* @parent: parent in which to create a new directory
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* @name: name of the new directory
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*
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* Returns the created node on success, ERR_PTR() value on failure.
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* Return: the created node on success, ERR_PTR() value on failure.
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*/
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struct kernfs_node *kernfs_create_empty_dir(struct kernfs_node *parent,
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const char *name)
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@ -1300,6 +1311,8 @@ static struct kernfs_node *kernfs_leftmost_descendant(struct kernfs_node *pos)
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* Find the next descendant to visit for post-order traversal of @root's
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* descendants. @root is included in the iteration and the last node to be
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* visited.
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*
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* Return: the next descendant to visit or %NULL when done.
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*/
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static struct kernfs_node *kernfs_next_descendant_post(struct kernfs_node *pos,
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struct kernfs_node *root)
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@ -1563,6 +1576,8 @@ void kernfs_unbreak_active_protection(struct kernfs_node *kn)
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* the whole kernfs_ops which won the arbitration. This can be used to
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* guarantee, for example, all concurrent writes to a "delete" file to
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* finish only after the whole operation is complete.
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*
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* Return: %true if @kn is removed by this call, otherwise %false.
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*/
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bool kernfs_remove_self(struct kernfs_node *kn)
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{
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@ -1623,7 +1638,8 @@ bool kernfs_remove_self(struct kernfs_node *kn)
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* @ns: namespace tag of the kernfs_node to remove
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*
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* Look for the kernfs_node with @name and @ns under @parent and remove it.
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* Returns 0 on success, -ENOENT if such entry doesn't exist.
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*
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* Return: %0 on success, -ENOENT if such entry doesn't exist.
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*/
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int kernfs_remove_by_name_ns(struct kernfs_node *parent, const char *name,
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const void *ns)
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@ -1661,6 +1677,8 @@ int kernfs_remove_by_name_ns(struct kernfs_node *parent, const char *name,
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* @new_parent: new parent to put @sd under
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* @new_name: new name
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* @new_ns: new namespace tag
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*
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* Return: %0 on success, -errno on failure.
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*/
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int kernfs_rename_ns(struct kernfs_node *kn, struct kernfs_node *new_parent,
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const char *new_name, const void *new_ns)
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@ -33,7 +33,7 @@ struct kernfs_open_node {
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* pending queue is implemented as a singly linked list of kernfs_nodes.
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* The list is terminated with the self pointer so that whether a
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* kernfs_node is on the list or not can be determined by testing the next
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* pointer for NULL.
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* pointer for %NULL.
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*/
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#define KERNFS_NOTIFY_EOL ((void *)&kernfs_notify_list)
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@ -59,8 +59,10 @@ static inline struct mutex *kernfs_open_file_mutex_lock(struct kernfs_node *kn)
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}
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/**
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* of_on - Return the kernfs_open_node of the specified kernfs_open_file
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* @of: taret kernfs_open_file
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* of_on - Get the kernfs_open_node of the specified kernfs_open_file
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* @of: target kernfs_open_file
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*
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* Return: the kernfs_open_node of the kernfs_open_file
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*/
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static struct kernfs_open_node *of_on(struct kernfs_open_file *of)
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{
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@ -82,6 +84,8 @@ static struct kernfs_open_node *of_on(struct kernfs_open_file *of)
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* outside RCU read-side critical section.
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*
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* The caller needs to make sure that kernfs_open_file_mutex is held.
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*
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* Return: @kn->attr.open when kernfs_open_file_mutex is held.
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*/
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static struct kernfs_open_node *
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kernfs_deref_open_node_locked(struct kernfs_node *kn)
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@ -548,11 +552,11 @@ static int kernfs_fop_mmap(struct file *file, struct vm_area_struct *vma)
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* If @kn->attr.open exists, increment its reference count; otherwise,
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* create one. @of is chained to the files list.
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*
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* LOCKING:
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* Locking:
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* Kernel thread context (may sleep).
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*
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* RETURNS:
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* 0 on success, -errno on failure.
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* Return:
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* %0 on success, -errno on failure.
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*/
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static int kernfs_get_open_node(struct kernfs_node *kn,
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struct kernfs_open_file *of)
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@ -1024,7 +1028,7 @@ const struct file_operations kernfs_file_fops = {
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* @ns: optional namespace tag of the file
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* @key: lockdep key for the file's active_ref, %NULL to disable lockdep
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*
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* Returns the created node on success, ERR_PTR() value on error.
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* Return: the created node on success, ERR_PTR() value on error.
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*/
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struct kernfs_node *__kernfs_create_file(struct kernfs_node *parent,
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const char *name,
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@ -94,7 +94,7 @@ int __kernfs_setattr(struct kernfs_node *kn, const struct iattr *iattr)
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* @kn: target node
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* @iattr: iattr to set
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*
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* Returns 0 on success, -errno on failure.
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* Return: %0 on success, -errno on failure.
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*/
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int kernfs_setattr(struct kernfs_node *kn, const struct iattr *iattr)
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{
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@ -239,11 +239,11 @@ static void kernfs_init_inode(struct kernfs_node *kn, struct inode *inode)
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* allocated and basics are initialized. New inode is returned
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* locked.
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*
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* LOCKING:
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* Locking:
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* Kernel thread context (may sleep).
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*
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* RETURNS:
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* Pointer to allocated inode on success, NULL on failure.
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* Return:
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* Pointer to allocated inode on success, %NULL on failure.
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*/
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struct inode *kernfs_get_inode(struct super_block *sb, struct kernfs_node *kn)
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{
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@ -58,7 +58,7 @@ struct kernfs_root {
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* kernfs_root - find out the kernfs_root a kernfs_node belongs to
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* @kn: kernfs_node of interest
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*
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* Return the kernfs_root @kn belongs to.
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* Return: the kernfs_root @kn belongs to.
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*/
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static inline struct kernfs_root *kernfs_root(struct kernfs_node *kn)
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{
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@ -153,7 +153,7 @@ static const struct export_operations kernfs_export_ops = {
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* kernfs_root_from_sb - determine kernfs_root associated with a super_block
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* @sb: the super_block in question
|
||||
*
|
||||
* Return the kernfs_root associated with @sb. If @sb is not a kernfs one,
|
||||
* Return: the kernfs_root associated with @sb. If @sb is not a kernfs one,
|
||||
* %NULL is returned.
|
||||
*/
|
||||
struct kernfs_root *kernfs_root_from_sb(struct super_block *sb)
|
||||
@ -167,7 +167,7 @@ struct kernfs_root *kernfs_root_from_sb(struct super_block *sb)
|
||||
* find the next ancestor in the path down to @child, where @parent was the
|
||||
* ancestor whose descendant we want to find.
|
||||
*
|
||||
* Say the path is /a/b/c/d. @child is d, @parent is NULL. We return the root
|
||||
* Say the path is /a/b/c/d. @child is d, @parent is %NULL. We return the root
|
||||
* node. If @parent is b, then we return the node for c.
|
||||
* Passing in d as @parent is not ok.
|
||||
*/
|
||||
@ -192,6 +192,8 @@ static struct kernfs_node *find_next_ancestor(struct kernfs_node *child,
|
||||
* kernfs_node_dentry - get a dentry for the given kernfs_node
|
||||
* @kn: kernfs_node for which a dentry is needed
|
||||
* @sb: the kernfs super_block
|
||||
*
|
||||
* Return: the dentry pointer
|
||||
*/
|
||||
struct dentry *kernfs_node_dentry(struct kernfs_node *kn,
|
||||
struct super_block *sb)
|
||||
@ -296,7 +298,7 @@ static int kernfs_set_super(struct super_block *sb, struct fs_context *fc)
|
||||
* kernfs_super_ns - determine the namespace tag of a kernfs super_block
|
||||
* @sb: super_block of interest
|
||||
*
|
||||
* Return the namespace tag associated with kernfs super_block @sb.
|
||||
* Return: the namespace tag associated with kernfs super_block @sb.
|
||||
*/
|
||||
const void *kernfs_super_ns(struct super_block *sb)
|
||||
{
|
||||
@ -313,6 +315,8 @@ const void *kernfs_super_ns(struct super_block *sb)
|
||||
* implementation, which should set the specified ->@fs_type and ->@flags, and
|
||||
* specify the hierarchy and namespace tag to mount via ->@root and ->@ns,
|
||||
* respectively.
|
||||
*
|
||||
* Return: %0 on success, -errno on failure.
|
||||
*/
|
||||
int kernfs_get_tree(struct fs_context *fc)
|
||||
{
|
||||
|
||||
@ -19,7 +19,7 @@
|
||||
* @name: name of the symlink
|
||||
* @target: target node for the symlink to point to
|
||||
*
|
||||
* Returns the created node on success, ERR_PTR() value on error.
|
||||
* Return: the created node on success, ERR_PTR() value on error.
|
||||
* Ownership of the link matches ownership of the target.
|
||||
*/
|
||||
struct kernfs_node *kernfs_create_link(struct kernfs_node *parent,
|
||||
|
||||
Loading…
Reference in New Issue
Block a user