From: Miklos Szeredi <mszeredi@xxxxxxx>
Do have_submounts(), shrink_dcache_parent() and d_drop() atomically.
check_submounts_and_drop() can deal with negative dentries as well.
Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxx>
CC: David Howells <dhowells@xxxxxxxxxx>
---
fs/afs/dir.c | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index 34494fb..0b74d31 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -685,16 +685,12 @@ not_found:
spin_unlock(&dentry->d_lock);
out_bad:
- if (dentry->d_inode) {
- /* don't unhash if we have submounts */
- if (have_submounts(dentry))
- goto out_skip;
- }
+ /* don't unhash if we have submounts */
+ if (check_submounts_and_drop(dentry) != 0)
+ goto out_skip;
_debug("dropping dentry %s/%s",
parent->d_name.name, dentry->d_name.name);
- shrink_dcache_parent(dentry);
- d_drop(dentry);
dput(parent);
key_put(key);
--
1.8.1.4
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