summaryrefslogtreecommitdiff
path: root/fs/nfsd/state.h
diff options
context:
space:
mode:
authorTrond Myklebust <trond.myklebust@primarydata.com>2014-07-10 18:07:25 (GMT)
committerJ. Bruce Fields <bfields@redhat.com>2014-07-10 19:05:25 (GMT)
commit1d31a2531ae91f8a89c0fffa883ef922c0dbb74d (patch)
tree8c68acb7b5472803ccd8cbf1ffab9b467a377904 /fs/nfsd/state.h
parentd6c249b4d4cfef894cbda224a7a063d17aacb60a (diff)
downloadlinux-1d31a2531ae91f8a89c0fffa883ef922c0dbb74d.tar.xz
nfsd: Add fine grained protection for the nfs4_file->fi_stateids list
Access to this list is currently serialized by the client_mutex. Add finer grained locking around this list in preparation for its removal. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/state.h')
-rw-r--r--fs/nfsd/state.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index 06d1a90..04737b3 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -377,6 +377,7 @@ static inline struct nfs4_lockowner * lockowner(struct nfs4_stateowner *so)
/* nfs4_file: a file opened by some number of (open) nfs4_stateowners. */
struct nfs4_file {
atomic_t fi_ref;
+ spinlock_t fi_lock;
struct hlist_node fi_hash; /* hash by "struct inode *" */
struct list_head fi_stateids;
struct list_head fi_delegations;