ext4: Add new ext4 trim tracepoints
Add ext4_trim_extent and ext4_trim_all_free.
Reviewed-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 4a25725..7aa4c16 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -4780,6 +4780,8 @@
{
struct ext4_free_extent ex;
+ trace_ext4_trim_extent(sb, group, start, count);
+
assert_spin_locked(ext4_group_lock_ptr(sb, group));
ex.fe_start = start;
@@ -4825,6 +4827,8 @@
struct ext4_buddy e4b;
int ret;
+ trace_ext4_trim_all_free(sb, group, start, max);
+
ret = ext4_mb_load_buddy(sb, group, &e4b);
if (ret) {
ext4_error(sb, "Error in loading buddy "