diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2016-04-28 23:56:31 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-05-09 11:39:45 -0400 |
| commit | 884be175351e73c515303118150f195dd611787c (patch) | |
| tree | ba85a80a6422df631b18af344132c6fcb67f1594 /fs/nfs/inode.c | |
| parent | 9ac3d3e8460e3fa6f3a9a39c2049904005016db6 (diff) | |
nfs: per-name sillyunlink exclusion
use d_alloc_parallel() for sillyunlink/lookup exclusion and
explicit rwsem (nfs_rmdir() being a writer and nfs_call_unlink() -
a reader) for rmdir/sillyunlink one.
That ought to make lookup/readdir/!O_CREAT atomic_open really
parallel on NFS.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/nfs/inode.c')
| -rw-r--r-- | fs/nfs/inode.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 738c84a42eb0..52e7d6869e3b 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -1958,9 +1958,7 @@ static void init_once(void *foo) nfsi->nrequests = 0; nfsi->commit_info.ncommit = 0; atomic_set(&nfsi->commit_info.rpcs_out, 0); - atomic_set(&nfsi->silly_count, 1); - INIT_HLIST_HEAD(&nfsi->silly_list); - init_waitqueue_head(&nfsi->waitqueue); + init_rwsem(&nfsi->rmdir_sem); nfs4_init_once(nfsi); } |