From 5d18f8133cad85ccbb7fa6fd351d75025da32504 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Thu, 20 Dec 2012 16:38:04 -0500 Subject: [PATCH] vfs: make do_unlinkat retry once on ESTALE errors Signed-off-by: Jeff Layton Signed-off-by: Al Viro --- fs/namei.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/fs/namei.c b/fs/namei.c index fe06a2fd1925..8a262c2efff8 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -3440,8 +3440,9 @@ static long do_unlinkat(int dfd, const char __user *pathname) struct dentry *dentry; struct nameidata nd; struct inode *inode = NULL; - - 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); @@ -3479,6 +3480,11 @@ exit2: exit1: path_put(&nd.path); putname(name); + if (retry_estale(error, lookup_flags)) { + lookup_flags |= LOOKUP_REVAL; + inode = NULL; + goto retry; + } return error; slashes: -- 2.30.2