diff options
| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2021-12-19 04:38:01 +0300 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2022-01-08 22:42:02 +0300 |
| commit | 555dbf1a9aac6d3150c8b52fa35f768a692f4eeb (patch) | |
| tree | 153fdbfe95cc5a1db17151d7e60ec132848e36ef /fs/nfsd/filecache.c | |
| parent | f11ad7aa653130b71e2e89bed207f387718216d5 (diff) | |
| download | linux-555dbf1a9aac6d3150c8b52fa35f768a692f4eeb.tar.xz | |
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.c')
| -rw-r--r-- | fs/nfsd/filecache.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c index aa5dca498b27..e2904540e463 100644 --- a/fs/nfsd/filecache.c +++ b/fs/nfsd/filecache.c @@ -189,7 +189,6 @@ nfsd_file_alloc(struct inode *inode, unsigned int may, unsigned int hashval, __set_bit(NFSD_FILE_BREAK_READ, &nf->nf_flags); } nf->nf_mark = NULL; - init_rwsem(&nf->nf_rwsem); trace_nfsd_file_alloc(nf); } return nf; |