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authorNick Piggin <npiggin@kernel.dk>2011-01-07 17:49:23 +1100
committerNick Piggin <npiggin@kernel.dk>2011-01-07 17:50:18 +1100
commitfe15ce446beb3a33583af81ffe6c9d01a75314ed (patch)
treebc8af66b6dd2d0f21a2a3f48a19975ae2cdbae4e /fs/afs
parent5eef7fa905c814826f518aca2d414ca77508ce30 (diff)
downloadlinux-fe15ce446beb3a33583af81ffe6c9d01a75314ed.tar.bz2
fs: change d_delete semantics
Change d_delete from a dentry deletion notification to a dentry caching advise, more like ->drop_inode. Require it to be constant and idempotent, and not take d_lock. This is how all existing filesystems use the callback anyway. This makes fine grained dentry locking of dput and dentry lru scanning much simpler. Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'fs/afs')
-rw-r--r--fs/afs/dir.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index 5439e1bc9a86..2c18cde27000 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -23,7 +23,7 @@ static struct dentry *afs_lookup(struct inode *dir, struct dentry *dentry,
static int afs_dir_open(struct inode *inode, struct file *file);
static int afs_readdir(struct file *file, void *dirent, filldir_t filldir);
static int afs_d_revalidate(struct dentry *dentry, struct nameidata *nd);
-static int afs_d_delete(struct dentry *dentry);
+static int afs_d_delete(const struct dentry *dentry);
static void afs_d_release(struct dentry *dentry);
static int afs_lookup_filldir(void *_cookie, const char *name, int nlen,
loff_t fpos, u64 ino, unsigned dtype);
@@ -730,7 +730,7 @@ out_bad:
* - called from dput() when d_count is going to 0.
* - return 1 to request dentry be unhashed, 0 otherwise
*/
-static int afs_d_delete(struct dentry *dentry)
+static int afs_d_delete(const struct dentry *dentry)
{
_enter("%s", dentry->d_name.name);