diff options
| author | alc <alc@FreeBSD.org> | 2003-04-19 21:15:44 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2003-04-19 21:15:44 +0000 |
| commit | ef4e8a19cfc9fb054dbda2b5efdaef60ef82438c (patch) | |
| tree | 1252eafc53a186512ad8520018edf2e4e5639731 /sys/kern/vfs_bio.c | |
| parent | d558a7a53b5bf20f012c13da1c784b62854e09b1 (diff) | |
| download | FreeBSD-src-ef4e8a19cfc9fb054dbda2b5efdaef60ef82438c.zip FreeBSD-src-ef4e8a19cfc9fb054dbda2b5efdaef60ef82438c.tar.gz | |
- Lock the vm_object when performing vm_object_pip_wakeupn().
- Assert that the vm_object lock is held in vm_object_pip_wakeupn().
- Add a new macro VM_OBJECT_LOCK_ASSERT().
Diffstat (limited to 'sys/kern/vfs_bio.c')
| -rw-r--r-- | sys/kern/vfs_bio.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c index 6893c8a..4125781 100644 --- a/sys/kern/vfs_bio.c +++ b/sys/kern/vfs_bio.c @@ -3193,8 +3193,11 @@ bufdone(struct buf *bp) iosize -= resid; } vm_page_unlock_queues(); - if (obj) + if (obj != NULL) { + VM_OBJECT_LOCK(obj); vm_object_pip_wakeupn(obj, 0); + VM_OBJECT_UNLOCK(obj); + } } /* @@ -3231,6 +3234,7 @@ vfs_unbusy_pages(struct buf * bp) vm_object_t obj; obj = bp->b_object; + VM_OBJECT_LOCK(obj); vm_page_lock_queues(); for (i = 0; i < bp->b_npages; i++) { vm_page_t m = bp->b_pages[i]; @@ -3249,6 +3253,7 @@ vfs_unbusy_pages(struct buf * bp) } vm_page_unlock_queues(); vm_object_pip_wakeupn(obj, 0); + VM_OBJECT_UNLOCK(obj); } } |
