diff options
Diffstat (limited to 'fs/afs')
-rw-r--r-- | fs/afs/dir.c | 16 | ||||
-rw-r--r-- | fs/afs/flock.c | 14 | ||||
-rw-r--r-- | fs/afs/inode.c | 6 | ||||
-rw-r--r-- | fs/afs/internal.h | 7 | ||||
-rw-r--r-- | fs/afs/security.c | 2 | ||||
-rw-r--r-- | fs/afs/write.c | 124 | ||||
-rw-r--r-- | fs/afs/xattr.c | 4 |
7 files changed, 87 insertions, 86 deletions
diff --git a/fs/afs/dir.c b/fs/afs/dir.c index b7c1f8c84b38..82690d1dd49a 100644 --- a/fs/afs/dir.c +++ b/fs/afs/dir.c @@ -28,17 +28,17 @@ static bool afs_lookup_one_filldir(struct dir_context *ctx, const char *name, in loff_t fpos, u64 ino, unsigned dtype); static bool afs_lookup_filldir(struct dir_context *ctx, const char *name, int nlen, loff_t fpos, u64 ino, unsigned dtype); -static int afs_create(struct user_namespace *mnt_userns, struct inode *dir, +static int afs_create(struct mnt_idmap *idmap, struct inode *dir, struct dentry *dentry, umode_t mode, bool excl); -static int afs_mkdir(struct user_namespace *mnt_userns, struct inode *dir, +static int afs_mkdir(struct mnt_idmap *idmap, struct inode *dir, struct dentry *dentry, umode_t mode); static int afs_rmdir(struct inode *dir, struct dentry *dentry); static int afs_unlink(struct inode *dir, struct dentry *dentry); static int afs_link(struct dentry *from, struct inode *dir, struct dentry *dentry); -static int afs_symlink(struct user_namespace *mnt_userns, struct inode *dir, +static int afs_symlink(struct mnt_idmap *idmap, struct inode *dir, struct dentry *dentry, const char *content); -static int afs_rename(struct user_namespace *mnt_userns, struct inode *old_dir, +static int afs_rename(struct mnt_idmap *idmap, struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry, unsigned int flags); static bool afs_dir_release_folio(struct folio *folio, gfp_t gfp_flags); @@ -1332,7 +1332,7 @@ static const struct afs_operation_ops afs_mkdir_operation = { /* * create a directory on an AFS filesystem */ -static int afs_mkdir(struct user_namespace *mnt_userns, struct inode *dir, +static int afs_mkdir(struct mnt_idmap *idmap, struct inode *dir, struct dentry *dentry, umode_t mode) { struct afs_operation *op; @@ -1630,7 +1630,7 @@ static const struct afs_operation_ops afs_create_operation = { /* * create a regular file on an AFS filesystem */ -static int afs_create(struct user_namespace *mnt_userns, struct inode *dir, +static int afs_create(struct mnt_idmap *idmap, struct inode *dir, struct dentry *dentry, umode_t mode, bool excl) { struct afs_operation *op; @@ -1760,7 +1760,7 @@ static const struct afs_operation_ops afs_symlink_operation = { /* * create a symlink in an AFS filesystem */ -static int afs_symlink(struct user_namespace *mnt_userns, struct inode *dir, +static int afs_symlink(struct mnt_idmap *idmap, struct inode *dir, struct dentry *dentry, const char *content) { struct afs_operation *op; @@ -1897,7 +1897,7 @@ static const struct afs_operation_ops afs_rename_operation = { /* * rename a file in an AFS filesystem and/or move it between directories */ -static int afs_rename(struct user_namespace *mnt_userns, struct inode *old_dir, +static int afs_rename(struct mnt_idmap *idmap, struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry, unsigned int flags) { diff --git a/fs/afs/flock.c b/fs/afs/flock.c index bbcc5afd1576..9c6dea3139f5 100644 --- a/fs/afs/flock.c +++ b/fs/afs/flock.c @@ -451,7 +451,7 @@ static int afs_do_setlk_check(struct afs_vnode *vnode, struct key *key, */ static int afs_do_setlk(struct file *file, struct file_lock *fl) { - struct inode *inode = locks_inode(file); + struct inode *inode = file_inode(file); struct afs_vnode *vnode = AFS_FS_I(inode); enum afs_flock_mode mode = AFS_FS_S(inode->i_sb)->flock_mode; afs_lock_type_t type; @@ -701,7 +701,7 @@ error: */ static int afs_do_unlk(struct file *file, struct file_lock *fl) { - struct afs_vnode *vnode = AFS_FS_I(locks_inode(file)); + struct afs_vnode *vnode = AFS_FS_I(file_inode(file)); int ret; _enter("{%llx:%llu},%u", vnode->fid.vid, vnode->fid.vnode, fl->fl_type); @@ -721,7 +721,7 @@ static int afs_do_unlk(struct file *file, struct file_lock *fl) */ static int afs_do_getlk(struct file *file, struct file_lock *fl) { - struct afs_vnode *vnode = AFS_FS_I(locks_inode(file)); + struct afs_vnode *vnode = AFS_FS_I(file_inode(file)); struct key *key = afs_file_key(file); int ret, lock_count; @@ -763,7 +763,7 @@ error: */ int afs_lock(struct file *file, int cmd, struct file_lock *fl) { - struct afs_vnode *vnode = AFS_FS_I(locks_inode(file)); + struct afs_vnode *vnode = AFS_FS_I(file_inode(file)); enum afs_flock_operation op; int ret; @@ -798,7 +798,7 @@ int afs_lock(struct file *file, int cmd, struct file_lock *fl) */ int afs_flock(struct file *file, int cmd, struct file_lock *fl) { - struct afs_vnode *vnode = AFS_FS_I(locks_inode(file)); + struct afs_vnode *vnode = AFS_FS_I(file_inode(file)); enum afs_flock_operation op; int ret; @@ -843,7 +843,7 @@ int afs_flock(struct file *file, int cmd, struct file_lock *fl) */ static void afs_fl_copy_lock(struct file_lock *new, struct file_lock *fl) { - struct afs_vnode *vnode = AFS_FS_I(locks_inode(fl->fl_file)); + struct afs_vnode *vnode = AFS_FS_I(file_inode(fl->fl_file)); _enter(""); @@ -861,7 +861,7 @@ static void afs_fl_copy_lock(struct file_lock *new, struct file_lock *fl) */ static void afs_fl_release_private(struct file_lock *fl) { - struct afs_vnode *vnode = AFS_FS_I(locks_inode(fl->fl_file)); + struct afs_vnode *vnode = AFS_FS_I(file_inode(fl->fl_file)); _enter(""); diff --git a/fs/afs/inode.c b/fs/afs/inode.c index 6d3a3dbe4928..0167e96e5198 100644 --- a/fs/afs/inode.c +++ b/fs/afs/inode.c @@ -737,7 +737,7 @@ error_unlock: /* * read the attributes of an inode */ -int afs_getattr(struct user_namespace *mnt_userns, const struct path *path, +int afs_getattr(struct mnt_idmap *idmap, const struct path *path, struct kstat *stat, u32 request_mask, unsigned int query_flags) { struct inode *inode = d_inode(path->dentry); @@ -761,7 +761,7 @@ int afs_getattr(struct user_namespace *mnt_userns, const struct path *path, do { read_seqbegin_or_lock(&vnode->cb_lock, &seq); - generic_fillattr(&init_user_ns, inode, stat); + generic_fillattr(&nop_mnt_idmap, inode, stat); if (test_bit(AFS_VNODE_SILLY_DELETED, &vnode->flags) && stat->nlink > 0) stat->nlink -= 1; @@ -870,7 +870,7 @@ static const struct afs_operation_ops afs_setattr_operation = { /* * set the attributes of an inode */ -int afs_setattr(struct user_namespace *mnt_userns, struct dentry *dentry, +int afs_setattr(struct mnt_idmap *idmap, struct dentry *dentry, struct iattr *attr) { const unsigned int supported = diff --git a/fs/afs/internal.h b/fs/afs/internal.h index fd8567b98e2b..ad8523d0d038 100644 --- a/fs/afs/internal.h +++ b/fs/afs/internal.h @@ -9,6 +9,7 @@ #include <linux/kernel.h> #include <linux/ktime.h> #include <linux/fs.h> +#include <linux/filelock.h> #include <linux/pagemap.h> #include <linux/rxrpc.h> #include <linux/key.h> @@ -1170,9 +1171,9 @@ extern struct inode *afs_iget(struct afs_operation *, struct afs_vnode_param *); extern struct inode *afs_root_iget(struct super_block *, struct key *); extern bool afs_check_validity(struct afs_vnode *); extern int afs_validate(struct afs_vnode *, struct key *); -extern int afs_getattr(struct user_namespace *mnt_userns, const struct path *, +extern int afs_getattr(struct mnt_idmap *idmap, const struct path *, struct kstat *, u32, unsigned int); -extern int afs_setattr(struct user_namespace *mnt_userns, struct dentry *, struct iattr *); +extern int afs_setattr(struct mnt_idmap *idmap, struct dentry *, struct iattr *); extern void afs_evict_inode(struct inode *); extern int afs_drop_inode(struct inode *); @@ -1387,7 +1388,7 @@ extern void afs_cache_permit(struct afs_vnode *, struct key *, unsigned int, extern struct key *afs_request_key(struct afs_cell *); extern struct key *afs_request_key_rcu(struct afs_cell *); extern int afs_check_permit(struct afs_vnode *, struct key *, afs_access_t *); -extern int afs_permission(struct user_namespace *, struct inode *, int); +extern int afs_permission(struct mnt_idmap *, struct inode *, int); extern void __exit afs_clean_up_permit_cache(void); /* diff --git a/fs/afs/security.c b/fs/afs/security.c index 7c6a63a30394..6a7744c9e2a2 100644 --- a/fs/afs/security.c +++ b/fs/afs/security.c @@ -395,7 +395,7 @@ int afs_check_permit(struct afs_vnode *vnode, struct key *key, * - AFS ACLs are attached to directories only, and a file is controlled by its * parent directory's ACL */ -int afs_permission(struct user_namespace *mnt_userns, struct inode *inode, +int afs_permission(struct mnt_idmap *idmap, struct inode *inode, int mask) { struct afs_vnode *vnode = AFS_FS_I(inode); diff --git a/fs/afs/write.c b/fs/afs/write.c index 19df10d63323..571f3b9a417e 100644 --- a/fs/afs/write.c +++ b/fs/afs/write.c @@ -704,85 +704,87 @@ static int afs_writepages_region(struct address_space *mapping, bool max_one_loop) { struct folio *folio; - struct page *head_page; + struct folio_batch fbatch; ssize_t ret; + unsigned int i; int n, skips = 0; _enter("%llx,%llx,", start, end); + folio_batch_init(&fbatch); do { pgoff_t index = start / PAGE_SIZE; - n = find_get_pages_range_tag(mapping, &index, end / PAGE_SIZE, - PAGECACHE_TAG_DIRTY, 1, &head_page); + n = filemap_get_folios_tag(mapping, &index, end / PAGE_SIZE, + PAGECACHE_TAG_DIRTY, &fbatch); + if (!n) break; + for (i = 0; i < n; i++) { + folio = fbatch.folios[i]; + start = folio_pos(folio); /* May regress with THPs */ - folio = page_folio(head_page); - start = folio_pos(folio); /* May regress with THPs */ - - _debug("wback %lx", folio_index(folio)); + _debug("wback %lx", folio_index(folio)); - /* At this point we hold neither the i_pages lock nor the - * page lock: the page may be truncated or invalidated - * (changing page->mapping to NULL), or even swizzled - * back from swapper_space to tmpfs file mapping - */ - if (wbc->sync_mode != WB_SYNC_NONE) { - ret = folio_lock_killable(folio); - if (ret < 0) { - folio_put(folio); - return ret; - } - } else { - if (!folio_trylock(folio)) { - folio_put(folio); - return 0; + /* At this point we hold neither the i_pages lock nor the + * page lock: the page may be truncated or invalidated + * (changing page->mapping to NULL), or even swizzled + * back from swapper_space to tmpfs file mapping + */ + if (wbc->sync_mode != WB_SYNC_NONE) { + ret = folio_lock_killable(folio); + if (ret < 0) { + folio_batch_release(&fbatch); + return ret; + } + } else { + if (!folio_trylock(folio)) + continue; } - } - if (folio_mapping(folio) != mapping || - !folio_test_dirty(folio)) { - start += folio_size(folio); - folio_unlock(folio); - folio_put(folio); - continue; - } + if (folio->mapping != mapping || + !folio_test_dirty(folio)) { + start += folio_size(folio); + folio_unlock(folio); + continue; + } - if (folio_test_writeback(folio) || - folio_test_fscache(folio)) { - folio_unlock(folio); - if (wbc->sync_mode != WB_SYNC_NONE) { - folio_wait_writeback(folio); + if (folio_test_writeback(folio) || + folio_test_fscache(folio)) { + folio_unlock(folio); + if (wbc->sync_mode != WB_SYNC_NONE) { + folio_wait_writeback(folio); #ifdef CONFIG_AFS_FSCACHE - folio_wait_fscache(folio); + folio_wait_fscache(folio); #endif - } else { - start += folio_size(folio); + } else { + start += folio_size(folio); + } + if (wbc->sync_mode == WB_SYNC_NONE) { + if (skips >= 5 || need_resched()) { + *_next = start; + _leave(" = 0 [%llx]", *_next); + return 0; + } + skips++; + } + continue; } - folio_put(folio); - if (wbc->sync_mode == WB_SYNC_NONE) { - if (skips >= 5 || need_resched()) - break; - skips++; + + if (!folio_clear_dirty_for_io(folio)) + BUG(); + ret = afs_write_back_from_locked_folio(mapping, wbc, + folio, start, end); + if (ret < 0) { + _leave(" = %zd", ret); + folio_batch_release(&fbatch); + return ret; } - continue; - } - if (!folio_clear_dirty_for_io(folio)) - BUG(); - ret = afs_write_back_from_locked_folio(mapping, wbc, folio, start, end); - folio_put(folio); - if (ret < 0) { - _leave(" = %zd", ret); - return ret; + start += ret; } - start += ret; - - if (max_one_loop) - break; - + folio_batch_release(&fbatch); cond_resched(); } while (wbc->nr_to_write > 0); @@ -992,7 +994,7 @@ int afs_launder_folio(struct folio *folio) { struct afs_vnode *vnode = AFS_FS_I(folio_inode(folio)); struct iov_iter iter; - struct bio_vec bv[1]; + struct bio_vec bv; unsigned long priv; unsigned int f, t; int ret = 0; @@ -1008,10 +1010,8 @@ int afs_launder_folio(struct folio *folio) t = afs_folio_dirty_to(folio, priv); } - bv[0].bv_page = &folio->page; - bv[0].bv_offset = f; - bv[0].bv_len = t - f; - iov_iter_bvec(&iter, ITER_SOURCE, bv, 1, bv[0].bv_len); + bvec_set_folio(&bv, folio, t - f, f); + iov_iter_bvec(&iter, ITER_SOURCE, &bv, 1, bv.bv_len); trace_afs_folio_dirty(vnode, tracepoint_string("launder"), folio); ret = afs_store_data(vnode, &iter, folio_pos(folio) + f, true); diff --git a/fs/afs/xattr.c b/fs/afs/xattr.c index 7751b0b3f81d..9048d8ccc715 100644 --- a/fs/afs/xattr.c +++ b/fs/afs/xattr.c @@ -97,7 +97,7 @@ static const struct afs_operation_ops afs_store_acl_operation = { * Set a file's AFS3 ACL. */ static int afs_xattr_set_acl(const struct xattr_handler *handler, - struct user_namespace *mnt_userns, + struct mnt_idmap *idmap, struct dentry *dentry, struct inode *inode, const char *name, const void *buffer, size_t size, int flags) @@ -228,7 +228,7 @@ static const struct afs_operation_ops yfs_store_opaque_acl2_operation = { * Set a file's YFS ACL. */ static int afs_xattr_set_yfs(const struct xattr_handler *handler, - struct user_namespace *mnt_userns, + struct mnt_idmap *idmap, struct dentry *dentry, struct inode *inode, const char *name, const void *buffer, size_t size, int flags) |