ext4: start searching for the right extent from the goal group. From: "Aneesh Kumar K.V" With mballoc we search for the best extent using different criteria. We should always use the goal group when we are starting with a new criteria. Signed-off-by: Aneesh Kumar K.V Signed-off-by: Mingming Cao Signed-off-by: "Theodore Ts'o" --- fs/ext4/mballoc.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) Index: linux-2.6.26-rc9/fs/ext4/mballoc.c =================================================================== --- linux-2.6.26-rc9.orig/fs/ext4/mballoc.c 2008-07-11 16:04:56.000000000 -0700 +++ linux-2.6.26-rc9/fs/ext4/mballoc.c 2008-07-11 16:04:56.000000000 -0700 @@ -1736,10 +1736,6 @@ ext4_mb_regular_allocator(struct ext4_al ac->ac_g_ex.fe_start = sbi->s_mb_last_start; spin_unlock(&sbi->s_md_lock); } - - /* searching for the right group start from the goal value specified */ - group = ac->ac_g_ex.fe_group; - /* Let's just scan groups to find more-less suitable blocks */ cr = ac->ac_2order ? 0 : 1; /* @@ -1749,6 +1745,12 @@ ext4_mb_regular_allocator(struct ext4_al repeat: for (; cr < 4 && ac->ac_status == AC_STATUS_CONTINUE; cr++) { ac->ac_criteria = cr; + /* + * searching for the right group start + * from the goal value specified + */ + group = ac->ac_g_ex.fe_group; + for (i = 0; i < EXT4_SB(sb)->s_groups_count; group++, i++) { struct ext4_group_info *grp; struct ext4_group_desc *desc;