Hi Sheng-Hui, It seems that there has a patch to fix it. http://www.spinics.net/lists/linux-ext4/msg32611.html Regards, Zheng On Fri, Jul 6, 2012 at 2:26 PM, Wang Sheng-Hui <shhuiw@xxxxxxxxx> wrote: > The left and right extents merge is done by > ext4_ext_try_to_merge. No specific left/right > fun calls any more. > > Signed-off-by: Wang Sheng-Hui <shhuiw@xxxxxxxxx> > --- > fs/ext4/extents.c | 4 +--- > 1 files changed, 1 insertions(+), 3 deletions(-) > > diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c > index 5207b7b..6c2a37d 100644 > --- a/fs/ext4/extents.c > +++ b/fs/ext4/extents.c > @@ -1891,12 +1891,10 @@ has_space: > nearex->ee_len = newext->ee_len; > > merge: > - /* try to merge extents to the right */ > + /* try to merge extents to the neighbours */ > if (!(flag & EXT4_GET_BLOCKS_PRE_IO)) > ext4_ext_try_to_merge(inode, path, nearex); > > - /* try to merge extents to the left */ > - > /* time to correct all indexes above */ > err = ext4_ext_correct_indexes(handle, inode, path); > if (err) > -- > 1.7.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html