From 10fca35ff12ad2a7017bce6567cffe9da443d7a2 Mon Sep 17 00:00:00 2001 From: Tao Ma Date: Mon, 23 May 2011 10:36:45 +0800 Subject: ocfs2: Add trace event for trim. Add the corresponding trace event for trim. Signed-off-by: Tao Ma Signed-off-by: Joel Becker --- fs/ocfs2/alloc.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'fs/ocfs2/alloc.c') 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) -- cgit v1.2.3