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authorTrond Myklebust <trond.myklebust@hammerspace.com>2019-10-22 13:40:47 -0400
committerTrond Myklebust <trond.myklebust@hammerspace.com>2019-11-03 21:28:46 -0500
commitaf20b7b850c5786979f773ba25dab70c85914466 (patch)
tree0ef13a3898df77d2d8c21ff0a0903879698e5a44 /fs/nfs
parentd51f91d262aae047ea3b1496e333a83ce70bb48a (diff)
downloadlinux-af20b7b850c5786979f773ba25dab70c85914466.tar.bz2
NFSv4: Ignore requests to return the delegation if it was revoked
If the delegation was revoked, or is already being returned, just clear the NFS_DELEGATION_RETURN and NFS_DELEGATION_RETURN_IF_CLOSED flags and keep going. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/delegation.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 8c176c921554..ebd83e4db300 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -476,8 +476,6 @@ static bool nfs_delegation_need_return(struct nfs_delegation *delegation)
{
bool ret = false;
- if (test_bit(NFS_DELEGATION_RETURNING, &delegation->flags))
- goto out;
if (test_and_clear_bit(NFS_DELEGATION_RETURN, &delegation->flags))
ret = true;
if (test_and_clear_bit(NFS_DELEGATION_RETURN_IF_CLOSED, &delegation->flags) && !ret) {
@@ -489,7 +487,10 @@ static bool nfs_delegation_need_return(struct nfs_delegation *delegation)
ret = true;
spin_unlock(&delegation->lock);
}
-out:
+ if (test_bit(NFS_DELEGATION_RETURNING, &delegation->flags) ||
+ test_bit(NFS_DELEGATION_REVOKED, &delegation->flags))
+ ret = false;
+
return ret;
}