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| author | Tristan Ye <tristan.ye@oracle.com> | 2011-05-27 15:24:14 +0800 |
|---|---|---|
| committer | Tristan Ye <tristan.ye@oracle.com> | 2011-05-27 14:52:57 +0800 |
| commit | ea5e1675ac832b42889ac8d254ea8fbfbdfaa8b2 (patch) | |
| tree | 04b1e47be93c982a392e4eededda41dc67191422 /fs/ocfs2 | |
| parent | 6aea6f5068cb86e89a6ac243c3fc131045b6563a (diff) | |
| download | lwn-ea5e1675ac832b42889ac8d254ea8fbfbdfaa8b2.tar.gz lwn-ea5e1675ac832b42889ac8d254ea8fbfbdfaa8b2.zip | |
Ocfs2/move_extents: Validate moving goal after the adjustment.
though the goal_to_be_moved will be validated again in following moving, it's
still a good idea to validate it after adjustment at the very beginning, instead
of validating it before adjustment.
Signed-off-by: Tristan Ye <tristan.ye@oracle.com>
Diffstat (limited to 'fs/ocfs2')
| -rw-r--r-- | fs/ocfs2/move_extents.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/fs/ocfs2/move_extents.c b/fs/ocfs2/move_extents.c index d184e0b4b95f..cd9427023d2e 100644 --- a/fs/ocfs2/move_extents.c +++ b/fs/ocfs2/move_extents.c @@ -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 */ @@ -491,18 +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. - */ - 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; - - /* * movement is not gonna cross two groups. */ if ((le16_to_cpu(bg->bg_bits) - goal_bit) * osb->s_clustersize < |