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| author | Tao Ma <boyu.mt@taobao.com> | 2011-07-11 00:01:52 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2011-07-11 00:01:52 -0400 |
| commit | b3d4c2b10b68d205d3eb1b5c17dcb4649a502798 (patch) | |
| tree | bd03e3dc922f62b019d5b1b5a0eb089f36e0502e /fs/ext4/mballoc.c | |
| parent | 169ddc3ec83b5f732e51d975befb191d50795844 (diff) | |
| download | lwn-b3d4c2b10b68d205d3eb1b5c17dcb4649a502798.tar.gz lwn-b3d4c2b10b68d205d3eb1b5c17dcb4649a502798.zip | |
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>
Diffstat (limited to 'fs/ext4/mballoc.c')
| -rw-r--r-- | fs/ext4/mballoc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 4a25725e9157..7aa4c16caca1 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -4780,6 +4780,8 @@ static void ext4_trim_extent(struct super_block *sb, int start, int count, { 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 @@ ext4_trim_all_free(struct super_block *sb, ext4_group_t group, 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 " |