[PATCH v7 39/49] vfs: convert do_filp_open to use retry_estale helper

Jeff Layton jlayton at redhat.com
Tue Oct 2 00:16:48 UTC 2012


Signed-off-by: Jeff Layton <jlayton at redhat.com>
---
 fs/namei.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/namei.c b/fs/namei.c
index dfdcd47..8e39510 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3015,11 +3015,12 @@ struct file *do_filp_open(int dfd, struct getname_info *ginfo,
 {
 	struct nameidata nd;
 	struct file *filp;
+	unsigned int try = 0;
 
 	filp = path_openat(dfd, ginfo, &nd, op, flags | LOOKUP_RCU);
 	if (unlikely(filp == ERR_PTR(-ECHILD)))
 		filp = path_openat(dfd, ginfo, &nd, op, flags);
-	if (unlikely(filp == ERR_PTR(-ESTALE)))
+	while (retry_estale(PTR_ERR(filp), try++))
 		filp = path_openat(dfd, ginfo, &nd, op, flags | LOOKUP_REVAL);
 	return filp;
 }
-- 
1.7.11.4




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