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Warning fixes

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Merge tag 'warning-fixes-20211005' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs

Pull misc fs warning fixes from David Howells:
 "The first four patches fix kerneldoc warnings in fscache, afs, 9p and
  nfs - they're mostly just comment changes, though there's one place in
  9p where a comment got detached from the function it was attached to
  (v9fs_fid_add) and has to switch places with a function that got
  inserted between (__add_fid).

  The patch on the end removes an unused symbol in fscache"

* tag 'warning-fixes-20211005' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
  fscache: Remove an unused static variable
  fscache: Fix some kerneldoc warnings shown up by W=1
  9p: Fix a bunch of kerneldoc warnings shown up by W=1
  afs: Fix kerneldoc warning shown up by W=1
  nfs: Fix kerneldoc warning shown up by W=1
This commit is contained in:
Linus Torvalds 2021-10-05 10:52:53 -07:00
commit 60a9483534
11 changed files with 66 additions and 56 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
fs/9p/cache.c
View File

@ -23,7 +23,7 @@ struct fscache_netfs v9fs_cache_netfs = {
.version = 0,
};
/**
/*
* v9fs_random_cachetag - Generate a random tag to be associated
* with a new cache session.
*
@ -233,7 +233,7 @@ static void v9fs_vfs_readpage_complete(struct page *page, void *data,
unlock_page(page);
}
/**
/*
* __v9fs_readpage_from_fscache - read a page from cache
*
* Returns 0 if the pages are in cache and a BIO is submitted,
@ -268,7 +268,7 @@ int __v9fs_readpage_from_fscache(struct inode *inode, struct page *page)
}
}
/**
/*
* __v9fs_readpages_from_fscache - read multiple pages from cache
*
* Returns 0 if the pages are in cache and a BIO is submitted,
@ -308,7 +308,7 @@ int __v9fs_readpages_from_fscache(struct inode *inode,
}
}
/**
/*
* __v9fs_readpage_to_fscache - write a page to the cache
*
*/

14
fs/9p/fid.c
View File

@ -19,18 +19,18 @@
#include "v9fs_vfs.h"
#include "fid.h"
static inline void __add_fid(struct dentry *dentry, struct p9_fid *fid)
{
hlist_add_head(&fid->dlist, (struct hlist_head *)&dentry->d_fsdata);
}
/**
* v9fs_fid_add - add a fid to a dentry
* @dentry: dentry that the fid is being added to
* @fid: fid to add
*
*/
static inline void __add_fid(struct dentry *dentry, struct p9_fid *fid)
{
hlist_add_head(&fid->dlist, (struct hlist_head *)&dentry->d_fsdata);
}
void v9fs_fid_add(struct dentry *dentry, struct p9_fid *fid)
{
spin_lock(&dentry->d_lock);
@ -67,7 +67,7 @@ static struct p9_fid *v9fs_fid_find_inode(struct inode *inode, kuid_t uid)
/**
* v9fs_open_fid_add - add an open fid to an inode
* @dentry: inode that the fid is being added to
* @inode: inode that the fid is being added to
* @fid: fid to add
*
*/

8
fs/9p/v9fs.c
View File

@ -155,6 +155,7 @@ int v9fs_show_options(struct seq_file *m, struct dentry *root)
/**
* v9fs_parse_options - parse mount options into session structure
* @v9ses: existing v9fs session information
* @opts: The mount option string
*
* Return 0 upon success, -ERRNO upon failure.
*/
@ -542,12 +543,9 @@ extern int v9fs_error_init(void);
static struct kobject *v9fs_kobj;
#ifdef CONFIG_9P_FSCACHE
/**
* caches_show - list caches associated with a session
*
* Returns the size of buffer written.
/*
* List caches associated with a session
*/
static ssize_t caches_show(struct kobject *kobj,
struct kobj_attribute *attr,
char *buf)

14
fs/9p/vfs_addr.c
View File

@ -30,8 +30,7 @@
/**
* v9fs_fid_readpage - read an entire page in from 9P
*
* @fid: fid being read
* @data: Opaque pointer to the fid being read
* @page: structure to page
*
*/
@ -116,6 +115,8 @@ static int v9fs_vfs_readpages(struct file *filp, struct address_space *mapping,
/**
* v9fs_release_page - release the private state associated with a page
* @page: The page to be released
* @gfp: The caller's allocation restrictions
*
* Returns 1 if the page can be released, false otherwise.
*/
@ -129,9 +130,9 @@ static int v9fs_release_page(struct page *page, gfp_t gfp)
/**
* v9fs_invalidate_page - Invalidate a page completely or partially
*
* @page: structure to page
* @offset: offset in the page
* @page: The page to be invalidated
* @offset: offset of the invalidated region
* @length: length of the invalidated region
*/
static void v9fs_invalidate_page(struct page *page, unsigned int offset,
@ -199,6 +200,8 @@ static int v9fs_vfs_writepage(struct page *page, struct writeback_control *wbc)
/**
* v9fs_launder_page - Writeback a dirty page
* @page: The page to be cleaned up
*
* Returns 0 on success.
*/
@ -219,6 +222,7 @@ static int v9fs_launder_page(struct page *page)
/**
* v9fs_direct_IO - 9P address space operation for direct I/O
* @iocb: target I/O control block
* @iter: The data/buffer to use
*
* The presence of v9fs_direct_IO() in the address space ops vector
* allowes open() O_DIRECT flags which would have failed otherwise.

33
fs/9p/vfs_file.c
View File

@ -359,14 +359,11 @@ out_err:
}
/**
* v9fs_file_read - read from a file
* @filp: file pointer to read
* @udata: user data buffer to read data into
* @count: size of buffer
* @offset: offset at which to read data
* v9fs_file_read_iter - read from a file
* @iocb: The operation parameters
* @to: The buffer to read into
*
*/
static ssize_t
v9fs_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
{
@ -388,11 +385,9 @@ v9fs_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
}
/**
* v9fs_file_write - write to a file
* @filp: file pointer to write
* @data: data buffer to write data from
* @count: size of buffer
* @offset: offset at which to write data
* v9fs_file_write_iter - write to a file
* @iocb: The operation parameters
* @from: The data to write
*
*/
static ssize_t
@ -561,11 +556,9 @@ out_unlock:
}
/**
* v9fs_mmap_file_read - read from a file
* @filp: file pointer to read
* @data: user data buffer to read data into
* @count: size of buffer
* @offset: offset at which to read data
* v9fs_mmap_file_read_iter - read from a file
* @iocb: The operation parameters
* @to: The buffer to read into
*
*/
static ssize_t
@ -576,11 +569,9 @@ v9fs_mmap_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
}
/**
* v9fs_mmap_file_write - write to a file
* @filp: file pointer to write
* @data: data buffer to write data from
* @count: size of buffer
* @offset: offset at which to write data
* v9fs_mmap_file_write_iter - write to a file
* @iocb: The operation parameters
* @from: The data to write
*
*/
static ssize_t

24
fs/9p/vfs_inode.c
View File

@ -218,7 +218,7 @@ v9fs_blank_wstat(struct p9_wstat *wstat)
/**
* v9fs_alloc_inode - helper function to allocate an inode
*
* @sb: The superblock to allocate the inode from
*/
struct inode *v9fs_alloc_inode(struct super_block *sb)
{
@ -238,7 +238,7 @@ struct inode *v9fs_alloc_inode(struct super_block *sb)
/**
* v9fs_free_inode - destroy an inode
*
* @inode: The inode to be freed
*/
void v9fs_free_inode(struct inode *inode)
@ -343,7 +343,7 @@ error:
* v9fs_get_inode - helper function to setup an inode
* @sb: superblock
* @mode: mode to setup inode with
*
* @rdev: The device numbers to set
*/
struct inode *v9fs_get_inode(struct super_block *sb, umode_t mode, dev_t rdev)
@ -369,7 +369,7 @@ struct inode *v9fs_get_inode(struct super_block *sb, umode_t mode, dev_t rdev)
}
/**
* v9fs_clear_inode - release an inode
* v9fs_evict_inode - Remove an inode from the inode cache
* @inode: inode to release
*
*/
@ -665,14 +665,15 @@ error:
/**
* v9fs_vfs_create - VFS hook to create a regular file
* @mnt_userns: The user namespace of the mount
* @dir: The parent directory
* @dentry: The name of file to be created
* @mode: The UNIX file mode to set
* @excl: True if the file must not yet exist
*
* open(.., O_CREAT) is handled in v9fs_vfs_atomic_open(). This is only called
* for mknod(2).
*
* @dir: directory inode that is being created
* @dentry: dentry that is being deleted
* @mode: create permissions
*
*/
static int
@ -696,6 +697,7 @@ v9fs_vfs_create(struct user_namespace *mnt_userns, struct inode *dir,
/**
* v9fs_vfs_mkdir - VFS mkdir hook to create a directory
* @mnt_userns: The user namespace of the mount
* @dir: inode that is being unlinked
* @dentry: dentry that is being unlinked
* @mode: mode for new directory
@ -900,10 +902,12 @@ int v9fs_vfs_rmdir(struct inode *i, struct dentry *d)
/**
* v9fs_vfs_rename - VFS hook to rename an inode
* @mnt_userns: The user namespace of the mount
* @old_dir: old dir inode
* @old_dentry: old dentry
* @new_dir: new dir inode
* @new_dentry: new dentry
* @flags: RENAME_* flags
*
*/
@ -1009,6 +1013,7 @@ done:
/**
* v9fs_vfs_getattr - retrieve file metadata
* @mnt_userns: The user namespace of the mount
* @path: Object to query
* @stat: metadata structure to populate
* @request_mask: Mask of STATX_xxx flags indicating the caller's interests
@ -1050,6 +1055,7 @@ v9fs_vfs_getattr(struct user_namespace *mnt_userns, const struct path *path,
/**
* v9fs_vfs_setattr - set file metadata
* @mnt_userns: The user namespace of the mount
* @dentry: file whose metadata to set
* @iattr: metadata assignment structure
*
@ -1285,6 +1291,7 @@ static int v9fs_vfs_mkspecial(struct inode *dir, struct dentry *dentry,
/**
* v9fs_vfs_symlink - helper function to create symlinks
* @mnt_userns: The user namespace of the mount
* @dir: directory inode containing symlink
* @dentry: dentry for symlink
* @symname: symlink data
@ -1340,6 +1347,7 @@ v9fs_vfs_link(struct dentry *old_dentry, struct inode *dir,
/**
* v9fs_vfs_mknod - create a special file
* @mnt_userns: The user namespace of the mount
* @dir: inode destination for new link
* @dentry: dentry for file
* @mode: mode for creation

11
fs/9p/vfs_inode_dotl.c
View File

@ -37,7 +37,10 @@ v9fs_vfs_mknod_dotl(struct user_namespace *mnt_userns, struct inode *dir,
struct dentry *dentry, umode_t omode, dev_t rdev);
/**
* v9fs_get_fsgid_for_create - Helper function to get the gid for creating a
* v9fs_get_fsgid_for_create - Helper function to get the gid for a new object
* @dir_inode: The directory inode
*
* Helper function to get the gid for creating a
* new file system object. This checks the S_ISGID to determine the owning
* group of the new file system object.
*/
@ -211,12 +214,13 @@ int v9fs_open_to_dotl_flags(int flags)
/**
* v9fs_vfs_create_dotl - VFS hook to create files for 9P2000.L protocol.
* @mnt_userns: The user namespace of the mount
* @dir: directory inode that is being created
* @dentry: dentry that is being deleted
* @omode: create permissions
* @excl: True if the file must not yet exist
*
*/
static int
v9fs_vfs_create_dotl(struct user_namespace *mnt_userns, struct inode *dir,
struct dentry *dentry, umode_t omode, bool excl)
@ -361,6 +365,7 @@ err_clunk_old_fid:
/**
* v9fs_vfs_mkdir_dotl - VFS mkdir hook to create a directory
* @mnt_userns: The user namespace of the mount
* @dir: inode that is being unlinked
* @dentry: dentry that is being unlinked
* @omode: mode for new directory
@ -537,6 +542,7 @@ static int v9fs_mapped_iattr_valid(int iattr_valid)
/**
* v9fs_vfs_setattr_dotl - set file metadata
* @mnt_userns: The user namespace of the mount
* @dentry: file whose metadata to set
* @iattr: metadata assignment structure
*
@ -816,6 +822,7 @@ v9fs_vfs_link_dotl(struct dentry *old_dentry, struct inode *dir,
/**
* v9fs_vfs_mknod_dotl - create a special file
* @mnt_userns: The user namespace of the mount
* @dir: inode destination for new link
* @dentry: dentry for file
* @omode: mode for creation

4
fs/afs/dir_silly.c
View File

@ -86,8 +86,8 @@ static int afs_do_silly_rename(struct afs_vnode *dvnode, struct afs_vnode *vnode
return afs_do_sync_operation(op);
}
/**
* afs_sillyrename - Perform a silly-rename of a dentry
/*
* Perform silly-rename of a dentry.
*
* AFS is stateless and the server doesn't know when the client is holding a
* file open. To prevent application problems when a file is unlinked while

2
fs/fscache/object.c
View File

@ -77,7 +77,6 @@ static WORK_STATE(INIT_OBJECT, "INIT", fscache_initialise_object);
static WORK_STATE(PARENT_READY, "PRDY", fscache_parent_ready);
static WORK_STATE(ABORT_INIT, "ABRT", fscache_abort_initialisation);
static WORK_STATE(LOOK_UP_OBJECT, "LOOK", fscache_look_up_object);
static WORK_STATE(CREATE_OBJECT, "CRTO", fscache_look_up_object);
static WORK_STATE(OBJECT_AVAILABLE, "AVBL", fscache_object_available);
static WORK_STATE(JUMPSTART_DEPS, "JUMP", fscache_jumpstart_dependents);
@ -907,6 +906,7 @@ static void fscache_dequeue_object(struct fscache_object *object)
* @object: The object to ask about
* @data: The auxiliary data for the object
* @datalen: The size of the auxiliary data
* @object_size: The size of the object according to the server.
*
* This function consults the netfs about the coherency state of an object.
* The caller must be holding a ref on cookie->n_active (held by

3
fs/fscache/operation.c
View File

@ -22,7 +22,10 @@ static void fscache_operation_dummy_cancel(struct fscache_operation *op)
/**
* fscache_operation_init - Do basic initialisation of an operation
* @cookie: The cookie to operate on
* @op: The operation to initialise
* @processor: The function to perform the operation
* @cancel: A function to handle operation cancellation
* @release: The release function to assign
*
* Do basic initialisation of an operation. The caller must still set flags,

1
fs/nfs_common/grace.c
View File

@ -42,7 +42,6 @@ EXPORT_SYMBOL_GPL(locks_start_grace);
/**
* locks_end_grace
* @net: net namespace that this lock manager belongs to
* @lm: who this grace period is for
*
* Call this function to state that the given lock manager is ready to