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author | rwatson <rwatson@FreeBSD.org> | 2008-02-09 00:12:22 +0000 |
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committer | rwatson <rwatson@FreeBSD.org> | 2008-02-09 00:12:22 +0000 |
commit | 7445f79ec2116bd87b6972c03986e41535d73509 (patch) | |
tree | f370a0c0f68a77ce12ea159e572775788d9f791c /sys/fs/coda | |
parent | 0a37acb8a6ab30c3fb8744bc3c243b6393d152d8 (diff) | |
download | FreeBSD-src-7445f79ec2116bd87b6972c03986e41535d73509.zip FreeBSD-src-7445f79ec2116bd87b6972c03986e41535d73509.tar.gz |
Lock cache vnode when VOP_FSYNC() is called on a Coda vnode.
MFC after: 1 month
Diffstat (limited to 'sys/fs/coda')
-rw-r--r-- | sys/fs/coda/coda_vnops.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/fs/coda/coda_vnops.c b/sys/fs/coda/coda_vnops.c index ed5d75b..adfe09e 100644 --- a/sys/fs/coda/coda_vnops.c +++ b/sys/fs/coda/coda_vnops.c @@ -699,8 +699,11 @@ coda_fsync(struct vop_fsync_args *ap) return(0); } - if (convp) + if (convp) { + vn_lock(convp, LK_EXCLUSIVE | LK_RETRY); VOP_FSYNC(convp, MNT_WAIT, td); + VOP_UNLOCK(convp, 0); + } /* * We see fsyncs with usecount == 1 then usecount == 0. @@ -716,7 +719,7 @@ coda_fsync(struct vop_fsync_args *ap) */ /* - * We can expect fsync on any vnode at all if venus is pruging it. + * We can expect fsync on any vnode at all if venus is purging it. * Venus can't very well answer the fsync request, now can it? * Hopefully, it won't have to, because hopefully, venus preserves * the (possibly untrue) invariant that it never purges an open |