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authorJeff Layton <jlayton@redhat.com>2012-12-20 16:28:33 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2012-12-20 18:50:04 -0500
commitc6ee920698301febdf10df0b57039173a1edbd43 (patch)
tree48534e0529a69f534264a94854d1db0d1951eb51 /fs
parent9e790bd65ce4cbfdff305a57b67b1a2cbe5d4335 (diff)
vfs: make do_rmdir retry once on ESTALE errors
Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs')
-rw-r--r--fs/namei.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 19190618695..fe06a2fd192 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3339,8 +3339,9 @@ static long do_rmdir(int dfd, const char __user *pathname)
struct filename *name;
struct dentry *dentry;
struct nameidata nd;
-
- name = user_path_parent(dfd, pathname, &nd, 0);
+ unsigned int lookup_flags = 0;
+retry:
+ name = user_path_parent(dfd, pathname, &nd, lookup_flags);
if (IS_ERR(name))
return PTR_ERR(name);
@@ -3382,6 +3383,10 @@ exit2:
exit1:
path_put(&nd.path);
putname(name);
+ if (retry_estale(error, lookup_flags)) {
+ lookup_flags |= LOOKUP_REVAL;
+ goto retry;
+ }
return error;
}