diff options
| -rw-r--r-- | sys/ufs/ffs/ffs_vnops.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/ufs/ffs/ffs_vnops.c b/sys/ufs/ffs/ffs_vnops.c index 7652a02..1541523 100644 --- a/sys/ufs/ffs/ffs_vnops.c +++ b/sys/ufs/ffs/ffs_vnops.c @@ -823,6 +823,7 @@ ffs_getpages(ap) if (mreq->valid) { if (mreq->valid != VM_PAGE_BITS_ALL) vm_page_zero_invalid(mreq, TRUE); + VM_OBJECT_LOCK(mreq->object); vm_page_lock_queues(); for (i = 0; i < pcount; i++) { if (i != ap->a_reqpage) { @@ -830,6 +831,7 @@ ffs_getpages(ap) } } vm_page_unlock_queues(); + VM_OBJECT_UNLOCK(mreq->object); return VM_PAGER_OK; } @@ -855,12 +857,14 @@ ffs_getpages(ap) dp = VTOI(vp)->i_devvp; if (ufs_bmaparray(vp, reqlblkno, &reqblkno, 0, &bforwards, &bbackwards) || (reqblkno == -1)) { + VM_OBJECT_LOCK(obj); vm_page_lock_queues(); for(i = 0; i < pcount; i++) { if (i != ap->a_reqpage) vm_page_free(ap->a_m[i]); } vm_page_unlock_queues(); + VM_OBJECT_UNLOCK(obj); if (reqblkno == -1) { if ((mreq->flags & PG_ZERO) == 0) pmap_zero_page(mreq); @@ -884,10 +888,12 @@ ffs_getpages(ap) pbackwards = poff + bbackwards * pagesperblock; if (ap->a_reqpage > pbackwards) { firstpage = ap->a_reqpage - pbackwards; + VM_OBJECT_LOCK(obj); vm_page_lock_queues(); for(i=0;i<firstpage;i++) vm_page_free(ap->a_m[i]); vm_page_unlock_queues(); + VM_OBJECT_UNLOCK(obj); } /* @@ -897,10 +903,12 @@ ffs_getpages(ap) pforwards = (pagesperblock - (poff + 1)) + bforwards * pagesperblock; if (pforwards < (pcount - (ap->a_reqpage + 1))) { + VM_OBJECT_LOCK(obj); vm_page_lock_queues(); for( i = ap->a_reqpage + pforwards + 1; i < pcount; i++) vm_page_free(ap->a_m[i]); vm_page_unlock_queues(); + VM_OBJECT_UNLOCK(obj); pcount = ap->a_reqpage + pforwards + 1; } |
