Author: jeff
Date: Wed Sep 23 07:44:07 2015
New Revision: 288144
URL: https://svnweb.freebsd.org/changeset/base/288144
Log:
- Fix a nonsense reordering that somehow slipped into my last diff.
Reported by: pho
Modified:
head/sys/kern/vfs_bio.c
Modified: head/sys/kern/vfs_bio.c
==============================================================================
--- head/sys/kern/vfs_bio.c Wed Sep 23 05:39:20 2015 (r288143)
+++ head/sys/kern/vfs_bio.c Wed Sep 23 07:44:07 2015 (r288144)
@@ -2090,6 +2090,8 @@ vfs_vmio_invalidate(struct buf *bp)
if (m == bogus_page)
panic("vfs_vmio_invalidate: Unexpected bogus page.");
+ presid = resid > (PAGE_SIZE - poffset) ?
+ (PAGE_SIZE - poffset) : resid;
KASSERT(presid >= 0, ("brelse: extra page"));
while (vm_page_xbusied(m)) {
vm_page_lock(m);
@@ -2097,8 +2099,6 @@ vfs_vmio_invalidate(struct buf *bp)
vm_page_busy_sleep(m, "mbncsh");
VM_OBJECT_WLOCK(obj);
}
- presid = resid > (PAGE_SIZE - poffset) ?
- (PAGE_SIZE - poffset) : resid;
if (pmap_page_wired_mappings(m) == 0)
vm_page_set_invalid(m, poffset, presid);
resid -= presid;
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