diff options
| author | alc <alc@FreeBSD.org> | 2004-03-14 00:24:30 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2004-03-14 00:24:30 +0000 |
| commit | 10b8b458736ddef67818a121bb7ccb73be0882bf (patch) | |
| tree | 092abcd4bfcfbe3750f068b019f3fb3e29e422f5 | |
| parent | 9a2f75f5676ee4b8f53a05a48def0e31f8fc2cbf (diff) | |
| download | FreeBSD-src-10b8b458736ddef67818a121bb7ccb73be0882bf.zip FreeBSD-src-10b8b458736ddef67818a121bb7ccb73be0882bf.tar.gz | |
Allow swap-backed devices to run without Giant.
| -rw-r--r-- | sys/dev/md/md.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/sys/dev/md/md.c b/sys/dev/md/md.c index 6e345da..006f07f 100644 --- a/sys/dev/md/md.c +++ b/sys/dev/md/md.c @@ -542,7 +542,6 @@ mdstart_swap(struct md_s *sc, struct bio *bp) lastp = (bp->bio_offset + bp->bio_length - 1) / PAGE_SIZE; lastend = (bp->bio_offset + bp->bio_length - 1) % PAGE_SIZE + 1; - mtx_lock(&Giant); kva = kmem_alloc_nofault(kernel_map, PAGE_SIZE); VM_OBJECT_LOCK(sc->object); @@ -602,7 +601,6 @@ printf("wire_count %d busy %d flags %x hold_count %d act_count %d queue %d valid vm_object_set_writeable_dirty(sc->object); VM_OBJECT_UNLOCK(sc->object); kmem_free(kernel_map, kva, sc->secsize); - mtx_unlock(&Giant); return (0); } } @@ -618,13 +616,13 @@ md_kthread(void *arg) curthread->td_base_pri = PRIBIO; switch (sc->type) { - case MD_SWAP: case MD_VNODE: mtx_lock(&Giant); hasgiant = 1; break; case MD_MALLOC: case MD_PRELOAD: + case MD_SWAP: default: hasgiant = 0; break; |
