From: Aneesh Kumar K.V Date: Fri, 11 Jul 2008 23:27:31 +0000 (-0400) Subject: ext4: start searching for the right extent from the goal group. X-Git-Tag: v2.6.27-rc1~1087^2~55 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ed8f9c751feb3aebf7c0dd25e61481a16412bd6e;p=linux-2.6 ext4: start searching for the right extent from the goal group. 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" --- diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index ba3aad27f4..bdb9f29915 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -1736,10 +1736,6 @@ ext4_mb_regular_allocator(struct ext4_allocation_context *ac) 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_allocation_context *ac) 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;