]> git.baikalelectronics.ru Git - kernel.git/commit
Btrfs: more efficient io tree navigation on wait_extent_bit
authorFilipe Manana <fdmanana@gmail.com>
Mon, 31 Mar 2014 13:53:25 +0000 (14:53 +0100)
committerChris Mason <clm@fb.com>
Mon, 7 Apr 2014 16:08:47 +0000 (09:08 -0700)
commit71dda4fc776156be7eec047c5dae10e160fabde1
tree97d715d396f0c2134f6ec85b0d1c5805d1a601c9
parent17d63f95c9adf01ebc6d6bf660510b2b18cdb7be
Btrfs: more efficient io tree navigation on wait_extent_bit

If we don't reschedule use rb_next to find the next extent state
instead of a full tree search, which is more efficient and safe
since we didn't release the io tree's lock.

Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Chris Mason <clm@fb.com>
fs/btrfs/extent_io.c