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authorTrond Myklebust <trond.myklebust@hammerspace.com>2021-12-19 04:38:01 +0300
committerChuck Lever <chuck.lever@oracle.com>2022-01-08 22:42:02 +0300
commit555dbf1a9aac6d3150c8b52fa35f768a692f4eeb (patch)
tree153fdbfe95cc5a1db17151d7e60ec132848e36ef /fs/nfsd/filecache.h
parentf11ad7aa653130b71e2e89bed207f387718216d5 (diff)
downloadlinux-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.h')
-rw-r--r--fs/nfsd/filecache.h1
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);