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authorNick Piggin <npiggin@kernel.dk>2011-01-07 17:49:57 +1100
committerNick Piggin <npiggin@kernel.dk>2011-01-07 17:50:29 +1100
commit34286d6662308d82aed891852d04c7c3a2649b16 (patch)
treec4b7311404d302e7cb94df7a4690298e1059910a /fs/jfs
parent44a7d7a878c9cbb74f236ea755b25b6b2e26a9a9 (diff)
fs: rcu-walk aware d_revalidate method
Require filesystems be aware of .d_revalidate being called in rcu-walk mode (nd->flags & LOOKUP_RCU). For now do a simple push down, returning -ECHILD from all implementations. Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'fs/jfs')
-rw-r--r--fs/jfs/namei.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index a151cbdec62..4414e3a4226 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -1608,6 +1608,8 @@ out:
static int jfs_ci_revalidate(struct dentry *dentry, struct nameidata *nd)
{
+ if (nd->flags & LOOKUP_RCU)
+ return -ECHILD;
/*
* This is not negative dentry. Always valid.
*