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Perform a single batched update to the object's paging-in-progress count

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rather than updating it for each page.
This commit is contained in:
Alan Cox 2015-10-03 17:04:52 +00:00
parent 6095f7cad3
commit acada7aef0
1 changed files with 2 additions and 4 deletions
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6
sys/kern/vfs_bio.c
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@ -2050,11 +2050,10 @@ vfs_vmio_iodone(struct buf *bp)
(intmax_t)foff, (uintmax_t)m->pindex));
vm_page_sunbusy(m);
vm_object_pip_subtract(obj, 1);
foff = (foff + PAGE_SIZE) & ~(off_t)PAGE_MASK;
iosize -= resid;
}
vm_object_pip_wakeupn(obj, 0);
vm_object_pip_wakeupn(obj, bp->b_npages);
VM_OBJECT_WUNLOCK(obj);
if (bogus && buf_mapped(bp)) {
BUF_CHECK_MAPPED(bp);
@ -3923,10 +3922,9 @@ vfs_unbusy_pages(struct buf *bp)
} else
BUF_CHECK_UNMAPPED(bp);
}
vm_object_pip_subtract(obj, 1);
vm_page_sunbusy(m);
}
vm_object_pip_wakeupn(obj, 0);
vm_object_pip_wakeupn(obj, bp->b_npages);
VM_OBJECT_WUNLOCK(obj);
}