Btrfs: Don't use kmap_atomic(..., KM_IRQ0) during checksum verifies

Checksum verification happens in a helper thread, and there is no
need to mess with interrupts.  This switches to kmap() instead.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2009-01-06 13:26:40 -05:00
commit cc7172defc