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authorTheodore Ts'o <tytso@mit.edu>2010-05-17 09:00:00 +0200
committerTheodore Ts'o <tytso@mit.edu>2010-05-17 09:00:00 +0200
commitf307333e14f6b18045eb4198fe646d9b6028f3ed (patch)
tree71611b08a95f4f07de9b4c19100474188027e62e /fs/ext4/mballoc.c
parentext4: Add a missing trace hook (diff)
downloadlinux-f307333e14f6b18045eb4198fe646d9b6028f3ed.tar.xz
linux-f307333e14f6b18045eb4198fe646d9b6028f3ed.zip
ext4: Add new tracepoints to track mballoc's buddy bitmap loads
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/mballoc.c')
-rw-r--r--fs/ext4/mballoc.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 0bdc0188e5e2..a93f554b6803 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -890,6 +890,7 @@ static int ext4_mb_init_cache(struct page *page, char *incore)
BUG_ON(incore == NULL);
mb_debug(1, "put buddy for group %u in page %lu/%x\n",
group, page->index, i * blocksize);
+ trace_ext4_mb_buddy_bitmap_load(sb, group);
grinfo = ext4_get_group_info(sb, group);
grinfo->bb_fragments = 0;
memset(grinfo->bb_counters, 0,
@@ -907,6 +908,7 @@ static int ext4_mb_init_cache(struct page *page, char *incore)
BUG_ON(incore != NULL);
mb_debug(1, "put bitmap for group %u in page %lu/%x\n",
group, page->index, i * blocksize);
+ trace_ext4_mb_bitmap_load(sb, group);
/* see comments in ext4_mb_put_pa() */
ext4_lock_group(sb, group);