From c0b27c4869702bce47b5b4cd5ef6da833b36496d Mon Sep 17 00:00:00 2001 From: David Howells Date: Mon, 4 Oct 2021 22:02:01 +0100 Subject: [PATCH 1/5] nfs: Fix kerneldoc warning shown up by W=1 Fix a kerneldoc warning in nfs due to documentation for a parameter that isn't present. Signed-off-by: David Howells Reviewed-by: Jeff Layton cc: Trond Myklebust cc: Anna Schumaker cc: Mauro Carvalho Chehab cc: linux-nfs@vger.kernel.org cc: linux-fsdevel@vger.kernel.org cc: linux-doc@vger.kernel.org Link: https://lore.kernel.org/r/163214005516.2945267.7000234432243167892.stgit@warthog.procyon.org.uk/ # rfc v1 Link: https://lore.kernel.org/r/163281899704.2790286.9177774252843775348.stgit@warthog.procyon.org.uk/ # rfc v2 --- fs/nfs_common/grace.c | 1 - 1 file changed, 1 deletion(-) diff --git a/fs/nfs_common/grace.c b/fs/nfs_common/grace.c index edec45831585..0a9b72685f98 100644 --- a/fs/nfs_common/grace.c +++ b/fs/nfs_common/grace.c @@ -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 From dcb442b133642c507c81da6990860549b19d4e78 Mon Sep 17 00:00:00 2001 From: David Howells Date: Mon, 4 Oct 2021 22:04:33 +0100 Subject: [PATCH 2/5] afs: Fix kerneldoc warning shown up by W=1 Fix a kerneldoc warning in afs due to a partially documented internal function by removing the kerneldoc marker. Signed-off-by: David Howells Reviewed-by: Jeff Layton cc: Marc Dionne cc: linux-afs@lists.infradead.org cc: linux-fsdevel@vger.kernel.org cc: linux-doc@vger.kernel.org Link: https://lore.kernel.org/r/163214005516.2945267.7000234432243167892.stgit@warthog.procyon.org.uk/ # rfc v1 Link: https://lore.kernel.org/r/163281899704.2790286.9177774252843775348.stgit@warthog.procyon.org.uk/ # rfc v2 --- fs/afs/dir_silly.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/afs/dir_silly.c b/fs/afs/dir_silly.c index dae9a57d7ec0..45cfd50a9521 100644 --- a/fs/afs/dir_silly.c +++ b/fs/afs/dir_silly.c @@ -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 From bc868036569e1d1bc21a5ba110430b03ac0fdb9e Mon Sep 17 00:00:00 2001 From: David Howells Date: Mon, 4 Oct 2021 22:07:22 +0100 Subject: [PATCH 3/5] 9p: Fix a bunch of kerneldoc warnings shown up by W=1 Fix a bunch of kerneldoc warnings shown up by W=1 in the 9p filesystem: (1) Add/remove/fix kerneldoc parameters descriptions. (2) Move __add_fid() from between v9fs_fid_add() and its comment. (3) 9p's caches_show() doesn't really make sense as an API function, so remove the kerneldoc annotation. It's also not prefixed with 'v9fs_'. Also remove the kerneldoc markers from the 9p fscache wrappers. Signed-off-by: David Howells Reviewed-by: Dominique Martinet Reviewed-by: Jeff Layton cc: Mauro Carvalho Chehab cc: v9fs-developer@lists.sourceforge.net cc: linux-fsdevel@vger.kernel.org cc: linux-doc@vger.kernel.org Link: https://lore.kernel.org/r/163214005516.2945267.7000234432243167892.stgit@warthog.procyon.org.uk/ # rfc v1 Link: https://lore.kernel.org/r/163281899704.2790286.9177774252843775348.stgit@warthog.procyon.org.uk/ # rfc v2 --- fs/9p/cache.c | 8 ++++---- fs/9p/fid.c | 14 +++++++------- fs/9p/v9fs.c | 8 +++----- fs/9p/vfs_addr.c | 14 +++++++++----- fs/9p/vfs_file.c | 33 ++++++++++++--------------------- fs/9p/vfs_inode.c | 24 ++++++++++++++++-------- fs/9p/vfs_inode_dotl.c | 11 +++++++++-- 7 files changed, 60 insertions(+), 52 deletions(-) diff --git a/fs/9p/cache.c b/fs/9p/cache.c index eb2151fb6049..1769a44f4819 100644 --- a/fs/9p/cache.c +++ b/fs/9p/cache.c @@ -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 * */ diff --git a/fs/9p/fid.c b/fs/9p/fid.c index 9d9de62592be..b8863dd0de5c 100644 --- a/fs/9p/fid.c +++ b/fs/9p/fid.c @@ -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 * */ diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c index cdb99507ef33..2e0fa7c932db 100644 --- a/fs/9p/v9fs.c +++ b/fs/9p/v9fs.c @@ -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) diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c index cce9ace651a2..1c4f1b39cc95 100644 --- a/fs/9p/vfs_addr.c +++ b/fs/9p/vfs_addr.c @@ -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. diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index aab5e6538660..246235ebdb70 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -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 diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 795706520b5e..08f48b70a741 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -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 diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c index e1c0240b51c0..01b9e1281a29 100644 --- a/fs/9p/vfs_inode_dotl.c +++ b/fs/9p/vfs_inode_dotl.c @@ -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 From d9e3f82279bfe8419f437a637ff37c075598bd91 Mon Sep 17 00:00:00 2001 From: David Howells Date: Mon, 4 Oct 2021 22:08:50 +0100 Subject: [PATCH 4/5] fscache: Fix some kerneldoc warnings shown up by W=1 Fix some kerneldoc warnings in the fscache driver that are shown up by W=1. Signed-off-by: David Howells Reviewed-by: Jeff Layton cc: Mauro Carvalho Chehab cc: linux-fsdevel@vger.kernel.org cc: linux-doc@vger.kernel.org Link: https://lore.kernel.org/r/163214005516.2945267.7000234432243167892.stgit@warthog.procyon.org.uk/ # rfc v1 Link: https://lore.kernel.org/r/163281899704.2790286.9177774252843775348.stgit@warthog.procyon.org.uk/ # rfc v2 --- fs/fscache/object.c | 1 + fs/fscache/operation.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/fs/fscache/object.c b/fs/fscache/object.c index f346a78f4bd6..7b9e7a366226 100644 --- a/fs/fscache/object.c +++ b/fs/fscache/object.c @@ -907,6 +907,7 @@ 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 diff --git a/fs/fscache/operation.c b/fs/fscache/operation.c index 433877107700..e002cdfaf3cc 100644 --- a/fs/fscache/operation.c +++ b/fs/fscache/operation.c @@ -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, From ef31499a87cf842bdf6719f44473d93e99d09fe2 Mon Sep 17 00:00:00 2001 From: David Howells Date: Mon, 20 Sep 2021 10:33:55 +0100 Subject: [PATCH 5/5] fscache: Remove an unused static variable The fscache object CREATE_OBJECT work state isn't ever referred to, so remove it and avoid the unused variable warning caused by W=1. Signed-off-by: David Howells Reviewed-by: Jeff Layton cc: linux-fsdevel@vger.kernel.org cc: linux-doc@vger.kernel.org Link: https://lore.kernel.org/r/163214005516.2945267.7000234432243167892.stgit@warthog.procyon.org.uk/ # rfc v1 Link: https://lore.kernel.org/r/163281899704.2790286.9177774252843775348.stgit@warthog.procyon.org.uk/ # rfc v2 --- fs/fscache/object.c | 1 - 1 file changed, 1 deletion(-) diff --git a/fs/fscache/object.c b/fs/fscache/object.c index 7b9e7a366226..6a675652129b 100644 --- a/fs/fscache/object.c +++ b/fs/fscache/object.c @@ -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);