[PATCH v8 31/32] vfs: convert filename_lookup to use retry_estale helper

[Jeff Layton]

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

diff --git a/fs/namei.c b/fs/namei.c
index c6173cc..6886630 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2020,10 +2020,11 @@ static int path_lookupat(int dfd, const char *name,
 static int filename_lookup(int dfd, struct filename *name,
 				unsigned int flags, struct nameidata *nd)
 {
+	unsigned int try = 0;
 	int retval = path_lookupat(dfd, name->name, flags | LOOKUP_RCU, nd);
 	if (unlikely(retval == -ECHILD))
 		retval = path_lookupat(dfd, name->name, flags, nd);
-	if (unlikely(retval == -ESTALE))
+	while (retry_estale(retval, try++))
 		retval = path_lookupat(dfd, name->name,
 						flags | LOOKUP_REVAL, nd);
 
-- 
1.7.11.7

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