tree 4404dc71b5987f240fa8e59d24586304d04d8810
parent cc7172defcf253335b16cf703fe4ac1ade15e1b1
author Chris Mason <chris.mason@oracle.com> 1231339731 -0500
committer Chris Mason <chris.mason@oracle.com> 1231339731 -0500

Btrfs: kmap_atomic(KM_USER0) is safe for btrfs_readpage_end_io_hook

None of the checksum verification code schedules, so we can use the faster
kmap_atomic

Signed-off-by: Chris Mason <chris.mason@oracle.com>