diff options
| author | Andriy Gapon <avg@FreeBSD.org> | 2012-11-04 14:50:08 +0000 |
|---|---|---|
| committer | Andriy Gapon <avg@FreeBSD.org> | 2012-11-04 14:50:08 +0000 |
| commit | 2c6024ec1b5e24880f3a1643f90d68321e9ade7f (patch) | |
| tree | 103e5852a908909ae6e8135437cdf3d4445f2530 | |
| parent | 5c997cc4294d90719420bbb0ff89dc21c88ae699 (diff) | |
Notes
| -rw-r--r-- | sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_dir.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_dir.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_dir.c index 6ff93395f7c2..9ef5e39622c5 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_dir.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_dir.c @@ -374,8 +374,15 @@ zfs_dirlook(znode_t *dzp, char *name, vnode_t **vpp, int flags, znode_t *zp; int error = 0; uint64_t parent; + int unlinked; if (name[0] == 0 || (name[0] == '.' && name[1] == 0)) { + mutex_enter(&dzp->z_lock); + unlinked = dzp->z_unlinked; + mutex_exit(&dzp->z_lock); + if (unlinked) + return (ENOENT); + *vpp = ZTOV(dzp); VN_HOLD(*vpp); } else if (name[0] == '.' && name[1] == '.' && name[2] == 0) { @@ -394,6 +401,13 @@ zfs_dirlook(znode_t *dzp, char *name, vnode_t **vpp, int flags, NULL, NULL, NULL); return (error); } + + mutex_enter(&dzp->z_lock); + unlinked = dzp->z_unlinked; + mutex_exit(&dzp->z_lock); + if (unlinked) + return (ENOENT); + rw_enter(&dzp->z_parent_lock, RW_READER); error = zfs_zget(zfsvfs, parent, &zp); if (error == 0) |