diff options
Diffstat (limited to 'sys/kern/vfs_subr.c')
| -rw-r--r-- | sys/kern/vfs_subr.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c index 83c7bec..059b50b 100644 --- a/sys/kern/vfs_subr.c +++ b/sys/kern/vfs_subr.c @@ -257,11 +257,17 @@ void vop_strategy_pre(void *ap) { struct vop_strategy_args *a = ap; - int status; + struct buf *bp; - status = lockstatus(&a->a_bp->b_lock, curthread); + bp = a->a_bp; - if (status != LK_SHARED && status != LK_EXCLUSIVE) { + /* + * Cluster ops lock their component buffers but not the IO container. + */ + if ((bp->b_flags & B_CLUSTER) != 0) + return; + + if (BUF_REFCNT(bp) < 1) { if (vfs_badlock_print) printf("VOP_STRATEGY: bp is not locked but should be.\n"); if (vfs_badlock_panic) |
