ceph: disable use of dcache for readdir etc.

Ceph attempts to use the dcache to satisfy negative lookups and readdir
when the entire directory contents are in cache.  Disable this behavior
until lingering bugs in this code are shaken out; we'll re-enable these
hooks once things are fully stable.

Signed-off-by: Sage Weil <sage@newdream.net>

diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 3eeb976612625500b1a30b1fbc4896bdffa867c9..98954003a8d313007386d4cfc214c5dba9296647 100644 (file)
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -1094,42 +1094,19 @@ static int ceph_snapdir_d_revalidate(struct dentry *dentry,
 /*
  * Set/clear/test dir complete flag on the dir's dentry.
  */
-static struct dentry * __d_find_any_alias(struct inode *inode)
-{
-       struct dentry *alias;
-
-       if (list_empty(&inode->i_dentry))
-               return NULL;
-       alias = list_first_entry(&inode->i_dentry, struct dentry, d_alias);
-       return alias;
-}
-
 void ceph_dir_set_complete(struct inode *inode)
 {
-       struct dentry *dentry = __d_find_any_alias(inode);
-       
-       if (dentry && ceph_dentry(dentry)) {
-               dout(" marking %p (%p) complete\n", inode, dentry);
-               set_bit(CEPH_D_COMPLETE, &ceph_dentry(dentry)->flags);
-       }
+       /* not yet implemented */
 }
 
 void ceph_dir_clear_complete(struct inode *inode)
 {
-       struct dentry *dentry = __d_find_any_alias(inode);
-
-       if (dentry && ceph_dentry(dentry)) {
-               dout(" marking %p (%p) NOT complete\n", inode, dentry);
-               clear_bit(CEPH_D_COMPLETE, &ceph_dentry(dentry)->flags);
-       }
+       /* not yet implemented */
 }
 
 bool ceph_dir_test_complete(struct inode *inode)
 {
-       struct dentry *dentry = __d_find_any_alias(inode);
-
-       if (dentry && ceph_dentry(dentry))
-               return test_bit(CEPH_D_COMPLETE, &ceph_dentry(dentry)->flags);
+       /* not yet implemented */
        return false;
 }