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| author | Rick Macklem <rmacklem@FreeBSD.org> | 2011-05-25 21:17:53 +0000 |
|---|---|---|
| committer | Rick Macklem <rmacklem@FreeBSD.org> | 2011-05-25 21:17:53 +0000 |
| commit | 81ddb192e87610a2bfbd44fac10bdb095b52aa16 (patch) | |
| tree | b8cde85e145f0f5a8c2a2f1a74eed907700c0921 /sys/fs | |
| parent | bef655932c4ad575ecb46f5974455123c761ddd5 (diff) | |
| download | src-81ddb192e87610a2bfbd44fac10bdb095b52aa16.tar.gz src-81ddb192e87610a2bfbd44fac10bdb095b52aa16.zip | |
Add some missing mutex locking to the new NFS client.
MFC after: 2 weeks
Notes
Notes:
svn path=/head/; revision=222291
Diffstat (limited to 'sys/fs')
| -rw-r--r-- | sys/fs/nfsclient/nfs_clvnops.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/fs/nfsclient/nfs_clvnops.c b/sys/fs/nfsclient/nfs_clvnops.c index 355e168a4545..3ec12ca37a26 100644 --- a/sys/fs/nfsclient/nfs_clvnops.c +++ b/sys/fs/nfsclient/nfs_clvnops.c @@ -2470,10 +2470,12 @@ ncl_commit(struct vnode *vp, u_quad_t offset, int cnt, struct ucred *cred, error = nfsrpc_commit(vp, offset, cnt, cred, td, verf, &nfsva, &attrflag, NULL); if (!error) { + mtx_lock(&nmp->nm_mtx); if (NFSBCMP((caddr_t)nmp->nm_verf, verf, NFSX_VERF)) { NFSBCOPY(verf, (caddr_t)nmp->nm_verf, NFSX_VERF); error = NFSERR_STALEWRITEVERF; } + mtx_unlock(&nmp->nm_mtx); if (!error && attrflag) (void) nfscl_loadattrcache(&vp, &nfsva, NULL, NULL, 0, 1); |