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| author | Theodore Ts'o <tytso@mit.edu> | 2011-07-10 22:37:50 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2011-07-10 22:37:50 -0400 |
| commit | 12706394bcaa48e3d5e19c97d7b4e5683ebb12fb (patch) | |
| tree | d2a9effccf0162de6b783cf40fadd0f27c1bd22e /fs/ext4/super.c | |
| parent | 4862fd6047ed02e2726667c54d35f538eecc56aa (diff) | |
| download | lwn-12706394bcaa48e3d5e19c97d7b4e5683ebb12fb.tar.gz lwn-12706394bcaa48e3d5e19c97d7b4e5683ebb12fb.zip | |
ext4: add tracepoint for ext4_journal_start
This will help debug who is responsible for starting a jbd2 transaction.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/super.c')
| -rw-r--r-- | fs/ext4/super.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 9ea71aa864b3..7910e61809e7 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -269,6 +269,7 @@ handle_t *ext4_journal_start_sb(struct super_block *sb, int nblocks) journal_t *journal; handle_t *handle; + trace_ext4_journal_start(sb, nblocks, _RET_IP_); if (sb->s_flags & MS_RDONLY) return ERR_PTR(-EROFS); |