ext4: split extent conversion lists to reserved & unreserved parts
authorJan Kara <jack@suse.cz>
Tue, 4 Jun 2013 18:21:02 +0000 (14:21 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Tue, 4 Jun 2013 18:21:02 +0000 (14:21 -0400)
commit2e8fa54e3b48e4ce8c4e9ca4674ffbc973f58be5
treeef95b6ad8bac51264484db5c37db66b8047b8bd7
parent6b523df4fb5ae281ddbc817f40504b33e6226554
ext4: split extent conversion lists to reserved & unreserved parts

Now that we have extent conversions with reserved transaction, we have
to prevent extent conversions without reserved transaction (from DIO
code) to block these (as that would effectively void any transaction
reservation we did).  So split lists, work items, and work queues to
reserved and unreserved parts.

Reviewed-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
fs/ext4/ext4.h
fs/ext4/page-io.c
fs/ext4/super.c