diff options
| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2021-12-18 20:38:01 -0500 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2022-01-08 14:42:02 -0500 |
| commit | 555dbf1a9aac6d3150c8b52fa35f768a692f4eeb (patch) | |
| tree | 153fdbfe95cc5a1db17151d7e60ec132848e36ef /fs/nfsd/filecache.h | |
| parent | f11ad7aa653130b71e2e89bed207f387718216d5 (diff) | |
nfsd: Replace use of rwsem with errseq_t
The nfsd_file nf_rwsem is currently being used to separate file write
and commit instances to ensure that we catch errors and apply them to
the correct write/commit.
We can improve scalability at the expense of a little accuracy (some
extra false positives) by replacing the nf_rwsem with more careful
use of the errseq_t mechanism to track errors across the different
operations.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
[ cel: rebased on zero-verifier fix ]
Diffstat (limited to 'fs/nfsd/filecache.h')
| -rw-r--r-- | fs/nfsd/filecache.h | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/nfsd/filecache.h b/fs/nfsd/filecache.h index 7872df5a0fe3..435ceab27897 100644 --- a/fs/nfsd/filecache.h +++ b/fs/nfsd/filecache.h @@ -46,7 +46,6 @@ struct nfsd_file { refcount_t nf_ref; unsigned char nf_may; struct nfsd_file_mark *nf_mark; - struct rw_semaphore nf_rwsem; }; int nfsd_file_cache_init(void); |