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Hold the page queues lock when calling vm_page_flag_clear().

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alc 2002-12-27 06:52:32 +00:00
parent b9ffe85ed2
commit a221c3d422
1 changed files with 6 additions and 0 deletions
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6
sys/kern/vfs_bio.c
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@ -1251,7 +1251,9 @@ brelse(struct buf * bp)
int had_bogus = 0;
m = bp->b_pages[i];
vm_page_lock_queues();
vm_page_flag_clear(m, PG_ZERO);
vm_page_unlock_queues();
/*
* If we hit a bogus page, fixup *all* the bogus pages
@ -2220,6 +2222,7 @@ vfs_setdirty(struct buf *bp)
vm_offset_t boffset;
vm_offset_t eoffset;
vm_page_lock_queues();
/*
* test the pages to see if they have been modified directly
* by users through the VM system.
@ -2247,6 +2250,7 @@ vfs_setdirty(struct buf *bp)
}
eoffset = ((i + 1) << PAGE_SHIFT) - (bp->b_offset & PAGE_MASK);
vm_page_unlock_queues();
/*
* Fit it to the buffer.
*/
@ -3440,7 +3444,9 @@ vfs_bio_clrbuf(struct buf *bp)
}
}
bp->b_pages[i]->valid |= mask;
vm_page_lock_queues();
vm_page_flag_clear(bp->b_pages[i], PG_ZERO);
vm_page_unlock_queues();
}
bp->b_resid = 0;
} else {