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sys/fs/nfsserver/nfs_nfsdport.c
| Show First 20 Lines • Show All 1,670 Lines • ▼ Show 20 Lines | if (cnt == 0 || cnt > MAX_COMMIT_COUNT || | ||||
| if (vp->v_object && vm_object_mightbedirty(vp->v_object)) { | if (vp->v_object && vm_object_mightbedirty(vp->v_object)) { | ||||
| VM_OBJECT_WLOCK(vp->v_object); | VM_OBJECT_WLOCK(vp->v_object); | ||||
| vm_object_page_clean(vp->v_object, off, off + cnt, | vm_object_page_clean(vp->v_object, off, off + cnt, | ||||
| OBJPC_SYNC); | OBJPC_SYNC); | ||||
| VM_OBJECT_WUNLOCK(vp->v_object); | VM_OBJECT_WUNLOCK(vp->v_object); | ||||
| } | } | ||||
| bo = &vp->v_bufobj; | bo = vp2bo(vp); | ||||
| BO_LOCK(bo); | BO_LOCK(bo); | ||||
| while (cnt > 0) { | while (cnt > 0) { | ||||
| struct buf *bp; | struct buf *bp; | ||||
| /* | /* | ||||
| * If we have a buffer and it is marked B_DELWRI we | * If we have a buffer and it is marked B_DELWRI we | ||||
| * have to lock and write it. Otherwise the prior | * have to lock and write it. Otherwise the prior | ||||
| * write is assumed to have already been committed. | * write is assumed to have already been committed. | ||||
| * | * | ||||
| * gbincore() can return invalid buffers now so we | * gbincore() can return invalid buffers now so we | ||||
| * have to check that bit as well (though B_DELWRI | * have to check that bit as well (though B_DELWRI | ||||
| * should not be set if B_INVAL is set there could be | * should not be set if B_INVAL is set there could be | ||||
| * a race here since we haven't locked the buffer). | * a race here since we haven't locked the buffer). | ||||
| */ | */ | ||||
| if ((bp = gbincore(&vp->v_bufobj, lblkno)) != NULL) { | if ((bp = gbincore(bo, lblkno)) != NULL) { | ||||
| if (BUF_LOCK(bp, LK_EXCLUSIVE | LK_SLEEPFAIL | | if (BUF_LOCK(bp, LK_EXCLUSIVE | LK_SLEEPFAIL | | ||||
| LK_INTERLOCK, BO_LOCKPTR(bo)) == ENOLCK) { | LK_INTERLOCK, BO_LOCKPTR(bo)) == ENOLCK) { | ||||
| BO_LOCK(bo); | BO_LOCK(bo); | ||||
| continue; /* retry */ | continue; /* retry */ | ||||
| } | } | ||||
| if ((bp->b_flags & (B_DELWRI|B_INVAL)) == | if ((bp->b_flags & (B_DELWRI|B_INVAL)) == | ||||
| B_DELWRI) { | B_DELWRI) { | ||||
| bremfree(bp); | bremfree(bp); | ||||
| ▲ Show 20 Lines • Show All 5,027 Lines • Show Last 20 Lines | |||||