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| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2018-11-19 20:11:45 -0500 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2018-11-19 20:11:45 -0500 |
| commit | aeabb3c96186a0f944fc2b1f25c84d5eb3a93fa9 (patch) | |
| tree | 1c0af7194ead73825a71846eba311f0489a29b06 /fs/nfs/nfs4_fs.h | |
| parent | 9ff01193a20d391e8dbce4403dd5ef87c7eaaca6 (diff) | |
| download | linux-aeabb3c96186a0f944fc2b1f25c84d5eb3a93fa9.tar.bz2 | |
NFSv4: Fix a NFSv4 state manager deadlock
Fix a deadlock whereby the NFSv4 state manager can get stuck in the
delegation return code, waiting for a layout return to complete in
another thread. If the server reboots before that other thread
completes, then we need to be able to start a second state
manager thread in order to perform recovery.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs/nfs4_fs.h')
| -rw-r--r-- | fs/nfs/nfs4_fs.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index 8d59c9655ec4..1b994b527518 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -41,6 +41,8 @@ enum nfs4_client_state { NFS4CLNT_MOVED, NFS4CLNT_LEASE_MOVED, NFS4CLNT_DELEGATION_EXPIRED, + NFS4CLNT_RUN_MANAGER, + NFS4CLNT_DELEGRETURN_RUNNING, }; #define NFS4_RENEW_TIMEOUT 0x01 |