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| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-02-21 20:51:25 +0100 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-02-21 20:51:25 +0100 |
| commit | 6f9449be53f3ce383caed797708b332ede8d952c (patch) | |
| tree | b1cf6c89dc67f5310fbe52767c073d6eb744b2b8 /fs/nfs/delegation.h | |
| parent | NFSv4.1: Avoid false retries when RPC calls are interrupted (diff) | |
| download | linux-6f9449be53f3ce383caed797708b332ede8d952c.tar.xz linux-6f9449be53f3ce383caed797708b332ede8d952c.zip | |
NFS: Fix a soft lockup in the delegation recovery code
Fix a soft lockup when NFS client delegation recovery is attempted
but the inode is in the process of being freed. When the
igrab(inode) call fails, and we have to restart the recovery process,
we need to ensure that we won't attempt to recover the same delegation
again.
Fixes: 45870d6909d5a ("NFSv4.1: Test delegation stateids when server...")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs/delegation.h')
| -rw-r--r-- | fs/nfs/delegation.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h index dcbf3394ba0e..35b4b02c1ae0 100644 --- a/fs/nfs/delegation.h +++ b/fs/nfs/delegation.h @@ -34,6 +34,7 @@ enum { NFS_DELEGATION_RETURNING, NFS_DELEGATION_REVOKED, NFS_DELEGATION_TEST_EXPIRED, + NFS_DELEGATION_INODE_FREEING, }; int nfs_inode_set_delegation(struct inode *inode, const struct cred *cred, |