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(parent: facc8a2) | patch
Btrfs: batch the extent state operation in the end io handle of the read page
authorMiao Xie <miaox@cn.fujitsu.com>
Thu, 25 Jul 2013 11:22:35 +0000 (19:22 +0800)
committerChris Mason <chris.mason@fusionio.com>
Sun, 1 Sep 2013 12:04:34 +0000 (08:04 -0400)
commit883d0de485222715929f7b7e2a9a34dc9b9b2be2
tree30dd240823c2e6c817aa326e8a470d66a068fd45tree | snapshot (tar.gz zip)
parentfacc8a2247340a9735fe8cc123c5da2102f5ef1bcommit | diff
Btrfs: batch the extent state operation in the end io handle of the read page

Before applying this patch, we set the uptodate flag and unlock the extent
by the page size, it is unnecessary, we can do it in batches, it can reduce
the lock contention of the extent state tree.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
fs/btrfs/extent_io.c diff | blob | blame | history