btrfs: teach __process_pages_contig about PAGE_LOCK operation
authorLiu Bo <bo.li.liu@oracle.com>
Fri, 10 Feb 2017 15:41:05 +0000 (16:41 +0100)
committerDavid Sterba <dsterba@suse.com>
Fri, 17 Feb 2017 11:03:35 +0000 (12:03 +0100)
commitda2c7009f6cafe0a550cf57a1aa79e0f1b3093d6
treebbb0244a94f04c55c100627370371e8a6415cf31
parent873695b301df51dc9dac2573669ac8777d37bec3
btrfs: teach __process_pages_contig about PAGE_LOCK operation

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ changes to the helper separated from the following patch ]
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/extent_io.c
fs/btrfs/extent_io.h