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authorJoel Becker <jlbec@evilplan.org>2011-05-27 00:24:03 -0700
committerJoel Becker <jlbec@evilplan.org>2011-05-27 00:24:03 -0700
commitd194f1aa194d83ba3df0975497f9eaed48c95f6d (patch)
tree9a0ece1863d192d82a982a66ee5458a1d0dc95d9 /fs/ocfs2
parentece928df16494becd43f999aff9bd530182e7e81 (diff)
parentea5e1675ac832b42889ac8d254ea8fbfbdfaa8b2 (diff)
downloadlwn-d194f1aa194d83ba3df0975497f9eaed48c95f6d.tar.gz
lwn-d194f1aa194d83ba3df0975497f9eaed48c95f6d.zip
Merge branch 'move_extents' of git://oss.oracle.com/git/tye/linux-2.6 into ocfs2-merge-window
Diffstat (limited to 'fs/ocfs2')
-rw-r--r--fs/ocfs2/move_extents.c41
1 files changed, 20 insertions, 21 deletions
diff --git a/fs/ocfs2/move_extents.c b/fs/ocfs2/move_extents.c
index 4c5488468c14..cd9427023d2e 100644
--- a/fs/ocfs2/move_extents.c
+++ b/fs/ocfs2/move_extents.c
@@ -368,7 +368,7 @@ static int ocfs2_find_victim_alloc_group(struct inode *inode,
int *vict_bit,
struct buffer_head **ret_bh)
{
- int ret, i, blocks_per_unit = 1;
+ int ret, i, bits_per_unit = 0;
u64 blkno;
char namebuf[40];
@@ -398,14 +398,14 @@ static int ocfs2_find_victim_alloc_group(struct inode *inode,
rec = &(cl->cl_recs[0]);
if (type == GLOBAL_BITMAP_SYSTEM_INODE)
- blocks_per_unit <<= (osb->s_clustersize_bits -
- inode->i_sb->s_blocksize_bits);
+ bits_per_unit = osb->s_clustersize_bits -
+ inode->i_sb->s_blocksize_bits;
/*
* 'vict_blkno' was out of the valid range.
*/
if ((vict_blkno < le64_to_cpu(rec->c_blkno)) ||
- (vict_blkno >= (le32_to_cpu(ac_dinode->id1.bitmap1.i_total) *
- blocks_per_unit))) {
+ (vict_blkno >= (le32_to_cpu(ac_dinode->id1.bitmap1.i_total) <<
+ bits_per_unit))) {
ret = -EINVAL;
goto out;
}
@@ -441,8 +441,8 @@ static int ocfs2_find_victim_alloc_group(struct inode *inode,
le16_to_cpu(bg->bg_bits))) {
*ret_bh = gd_bh;
- *vict_bit = (vict_blkno - blkno) /
- blocks_per_unit;
+ *vict_bit = (vict_blkno - blkno) >>
+ bits_per_unit;
mlog(0, "find the victim group: #%llu, "
"total_bits: %u, vict_bit: %u\n",
blkno, le16_to_cpu(bg->bg_bits),
@@ -472,12 +472,24 @@ static int ocfs2_validate_and_adjust_move_goal(struct inode *inode,
int ret, goal_bit = 0;
struct buffer_head *gd_bh = NULL;
- struct ocfs2_group_desc *bg;
+ struct ocfs2_group_desc *bg = NULL;
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
int c_to_b = 1 << (osb->s_clustersize_bits -
inode->i_sb->s_blocksize_bits);
/*
+ * make goal become cluster aligned.
+ */
+ range->me_goal = ocfs2_block_to_cluster_start(inode->i_sb,
+ range->me_goal);
+ /*
+ * moving goal is not allowd to start with a group desc blok(#0 blk)
+ * let's compromise to the latter cluster.
+ */
+ if (range->me_goal == le64_to_cpu(bg->bg_blkno))
+ range->me_goal += c_to_b;
+
+ /*
* validate goal sits within global_bitmap, and return the victim
* group desc
*/
@@ -491,19 +503,6 @@ static int ocfs2_validate_and_adjust_move_goal(struct inode *inode,
bg = (struct ocfs2_group_desc *)gd_bh->b_data;
/*
- * make goal become cluster aligned.
- */
- if (range->me_goal % c_to_b)
- range->me_goal = range->me_goal / c_to_b * c_to_b;
-
- /*
- * moving goal is not allowd to start with a group desc blok(#0 blk)
- * let's compromise to the latter cluster.
- */
- if (range->me_goal == le64_to_cpu(bg->bg_blkno))
- range->me_goal += c_to_b;
-
- /*
* movement is not gonna cross two groups.
*/
if ((le16_to_cpu(bg->bg_bits) - goal_bit) * osb->s_clustersize <