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authorTao Ma <boyu.mt@taobao.com>2011-05-23 06:36:45 +0400
committerJoel Becker <jlbec@evilplan.org>2011-05-24 10:37:20 +0400
commit10fca35ff12ad2a7017bce6567cffe9da443d7a2 (patch)
tree46c8fd9157bde0616798ff1945d16da4c9881d16 /fs/ocfs2/alloc.c
parent55e67872b67ebd30d1326067cdba53a622ab497d (diff)
downloadlinux-10fca35ff12ad2a7017bce6567cffe9da443d7a2.tar.xz
ocfs2: Add trace event for trim.
Add the corresponding trace event for trim. Signed-off-by: Tao Ma <boyu.mt@taobao.com> Signed-off-by: Joel Becker <jlbec@evilplan.org>
Diffstat (limited to 'fs/ocfs2/alloc.c')
-rw-r--r--fs/ocfs2/alloc.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index ae3ea783dad7..ed553c60de82 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -7196,6 +7196,8 @@ static int ocfs2_trim_extent(struct super_block *sb,
discard = le64_to_cpu(gd->bg_blkno) +
ocfs2_clusters_to_blocks(sb, start);
+ trace_ocfs2_trim_extent(sb, (unsigned long long)discard, bcount);
+
return sb_issue_discard(sb, discard, bcount, GFP_NOFS, 0);
}
@@ -7209,6 +7211,9 @@ static int ocfs2_trim_group(struct super_block *sb,
if (le16_to_cpu(gd->bg_free_bits_count) < minbits)
return 0;
+ trace_ocfs2_trim_group((unsigned long long)le64_to_cpu(gd->bg_blkno),
+ start, max, minbits);
+
while (start < max) {
start = ocfs2_find_next_zero_bit(bitmap, max, start);
if (start >= max)
@@ -7292,6 +7297,8 @@ int ocfs2_trim_fs(struct super_block *sb, struct fstrim_range *range)
if (start + len > le32_to_cpu(main_bm->i_clusters))
len = le32_to_cpu(main_bm->i_clusters) - start;
+ trace_ocfs2_trim_fs(start, len, minlen);
+
/* Determine first and last group to examine based on start and len */
first_group = ocfs2_which_cluster_group(main_bm_inode, start);
if (first_group == osb->first_cluster_group_blkno)