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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-01-20 18:47:05 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-01-31 19:28:21 -0500 |
| commit | 4601df20fb3bf2b87e248abc622b8a7e4c3059fb (patch) | |
| tree | fc415ca673c8b4ced88941e0a11fb933da793c66 /fs/nfs/nfs4_fs.h | |
| parent | 82b0a4c3c171b180629696e8d1d5f52516f711e6 (diff) | |
| download | op-kernel-dev-4601df20fb3bf2b87e248abc622b8a7e4c3059fb.zip op-kernel-dev-4601df20fb3bf2b87e248abc622b8a7e4c3059fb.tar.gz | |
NFSv4: Avoid thundering herd issues with nfs_release_seqid
Store a pointer to the rpc_task in struct nfs_seqid so that we can wake up
only that request that is able to grab the lock after we've released it.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4_fs.h')
| -rw-r--r-- | fs/nfs/nfs4_fs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index c45c21a..b133b50 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -71,6 +71,7 @@ struct nfs_seqid_counter { struct nfs_seqid { struct nfs_seqid_counter *sequence; struct list_head list; + struct rpc_task *task; }; static inline void nfs_confirm_seqid(struct nfs_seqid_counter *seqid, int status) |
