9ad6b7bc2e
btrfs_invalidatepage is not allowed to leave pages around on the lru. Any such pages will trigger an oops later on because the VM will see page->private and assume it is a buffer head. This also forces extra flushes of the async work queues before dropping all the pages on the btree inode during unmount. Left over items on the work queues are one possible cause of busy state ranges during truncate_inode_pages. Signed-off-by: Chris Mason <chris.mason@oracle.com> |
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