diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/9p/vfs_dentry.c | 19 | ||||
| -rw-r--r-- | fs/configfs/dir.c | 12 | ||||
| -rw-r--r-- | fs/efivarfs/super.c | 11 | ||||
| -rw-r--r-- | fs/hostfs/hostfs_kern.c | 11 | ||||
| -rw-r--r-- | fs/libfs.c | 12 | ||||
| -rw-r--r-- | fs/proc/generic.c | 18 | ||||
| -rw-r--r-- | fs/proc/namespaces.c | 8 |
7 files changed, 13 insertions, 78 deletions
diff --git a/fs/9p/vfs_dentry.c b/fs/9p/vfs_dentry.c index f039b104a98e..b03dd23feda8 100644 --- a/fs/9p/vfs_dentry.c +++ b/fs/9p/vfs_dentry.c @@ -43,23 +43,6 @@ #include "fid.h" /** - * v9fs_dentry_delete - called when dentry refcount equals 0 - * @dentry: dentry in question - * - * By returning 1 here we should remove cacheing of unused - * dentry components. - * - */ - -static int v9fs_dentry_delete(const struct dentry *dentry) -{ - p9_debug(P9_DEBUG_VFS, " dentry: %s (%p)\n", - dentry->d_name.name, dentry); - - return 1; -} - -/** * v9fs_cached_dentry_delete - called when dentry refcount equals 0 * @dentry: dentry in question * @@ -134,6 +117,6 @@ const struct dentry_operations v9fs_cached_dentry_operations = { }; const struct dentry_operations v9fs_dentry_operations = { - .d_delete = v9fs_dentry_delete, + .d_delete = always_delete_dentry, .d_release = v9fs_dentry_release, }; diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c index 277bd1be21fd..4522e0755773 100644 --- a/fs/configfs/dir.c +++ b/fs/configfs/dir.c @@ -66,19 +66,9 @@ static void configfs_d_iput(struct dentry * dentry, iput(inode); } -/* - * We _must_ delete our dentries on last dput, as the chain-to-parent - * behavior is required to clear the parents of default_groups. - */ -static int configfs_d_delete(const struct dentry *dentry) -{ - return 1; -} - const struct dentry_operations configfs_dentry_ops = { .d_iput = configfs_d_iput, - /* simple_delete_dentry() isn't exported */ - .d_delete = configfs_d_delete, + .d_delete = always_delete_dentry, }; #ifdef CONFIG_LOCKDEP diff --git a/fs/efivarfs/super.c b/fs/efivarfs/super.c index a8766b880c07..becc725a1953 100644 --- a/fs/efivarfs/super.c +++ b/fs/efivarfs/super.c @@ -83,19 +83,10 @@ static int efivarfs_d_hash(const struct dentry *dentry, struct qstr *qstr) return 0; } -/* - * Retaining negative dentries for an in-memory filesystem just wastes - * memory and lookup time: arrange for them to be deleted immediately. - */ -static int efivarfs_delete_dentry(const struct dentry *dentry) -{ - return 1; -} - static struct dentry_operations efivarfs_d_ops = { .d_compare = efivarfs_d_compare, .d_hash = efivarfs_d_hash, - .d_delete = efivarfs_delete_dentry, + .d_delete = always_delete_dentry, }; static struct dentry *efivarfs_alloc_dentry(struct dentry *parent, char *name) diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c index 25437280a207..db23ce1bd903 100644 --- a/fs/hostfs/hostfs_kern.c +++ b/fs/hostfs/hostfs_kern.c @@ -33,15 +33,6 @@ static inline struct hostfs_inode_info *HOSTFS_I(struct inode *inode) #define FILE_HOSTFS_I(file) HOSTFS_I(file_inode(file)) -static int hostfs_d_delete(const struct dentry *dentry) -{ - return 1; -} - -static const struct dentry_operations hostfs_dentry_ops = { - .d_delete = hostfs_d_delete, -}; - /* Changed in hostfs_args before the kernel starts running */ static char *root_ino = ""; static int append = 0; @@ -925,7 +916,7 @@ static int hostfs_fill_sb_common(struct super_block *sb, void *d, int silent) sb->s_blocksize_bits = 10; sb->s_magic = HOSTFS_SUPER_MAGIC; sb->s_op = &hostfs_sbops; - sb->s_d_op = &hostfs_dentry_ops; + sb->s_d_op = &simple_dentry_operations; sb->s_maxbytes = MAX_LFS_FILESIZE; /* NULL is printed as <NULL> by sprintf: avoid that. */ diff --git a/fs/libfs.c b/fs/libfs.c index 5de06947ba5e..a1844244246f 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -47,10 +47,16 @@ EXPORT_SYMBOL(simple_statfs); * Retaining negative dentries for an in-memory filesystem just wastes * memory and lookup time: arrange for them to be deleted immediately. */ -static int simple_delete_dentry(const struct dentry *dentry) +int always_delete_dentry(const struct dentry *dentry) { return 1; } +EXPORT_SYMBOL(always_delete_dentry); + +const struct dentry_operations simple_dentry_operations = { + .d_delete = always_delete_dentry, +}; +EXPORT_SYMBOL(simple_dentry_operations); /* * Lookup the data. This is trivial - if the dentry didn't already @@ -58,10 +64,6 @@ static int simple_delete_dentry(const struct dentry *dentry) */ struct dentry *simple_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { - static const struct dentry_operations simple_dentry_operations = { - .d_delete = simple_delete_dentry, - }; - if (dentry->d_name.len > NAME_MAX) return ERR_PTR(-ENAMETOOLONG); if (!dentry->d_sb->s_d_op) diff --git a/fs/proc/generic.c b/fs/proc/generic.c index 737e15615b04..cca93b6fb9a9 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -175,22 +175,6 @@ static const struct inode_operations proc_link_inode_operations = { }; /* - * As some entries in /proc are volatile, we want to - * get rid of unused dentries. This could be made - * smarter: we could keep a "volatile" flag in the - * inode to indicate which ones to keep. - */ -static int proc_delete_dentry(const struct dentry * dentry) -{ - return 1; -} - -static const struct dentry_operations proc_dentry_operations = -{ - .d_delete = proc_delete_dentry, -}; - -/* * Don't create negative dentries here, return -ENOENT by hand * instead. */ @@ -209,7 +193,7 @@ struct dentry *proc_lookup_de(struct proc_dir_entry *de, struct inode *dir, inode = proc_get_inode(dir->i_sb, de); if (!inode) return ERR_PTR(-ENOMEM); - d_set_d_op(dentry, &proc_dentry_operations); + d_set_d_op(dentry, &simple_dentry_operations); d_add(dentry, inode); return NULL; } diff --git a/fs/proc/namespaces.c b/fs/proc/namespaces.c index 49a7fff2e83a..9ae46b87470d 100644 --- a/fs/proc/namespaces.c +++ b/fs/proc/namespaces.c @@ -42,12 +42,6 @@ static const struct inode_operations ns_inode_operations = { .setattr = proc_setattr, }; -static int ns_delete_dentry(const struct dentry *dentry) -{ - /* Don't cache namespace inodes when not in use */ - return 1; -} - static char *ns_dname(struct dentry *dentry, char *buffer, int buflen) { struct inode *inode = dentry->d_inode; @@ -59,7 +53,7 @@ static char *ns_dname(struct dentry *dentry, char *buffer, int buflen) const struct dentry_operations ns_dentry_operations = { - .d_delete = ns_delete_dentry, + .d_delete = always_delete_dentry, .d_dname = ns_dname, }; |