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| author | changfengnan <changfengnan@bytedance.com> | 2022-10-08 15:05:18 +0300 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2022-12-01 18:46:54 +0300 |
| commit | 5f3e240321dd00b251f91a37c70fc551a140c87b (patch) | |
| tree | e82d59b2ede58ad0c19cb9eeb2f1aa1b095a459f /fs/ext4/ext4_jbd2.c | |
| parent | e3ea75ee651daf5e434afbfdb7dbf75e200ea1f6 (diff) | |
| download | linux-5f3e240321dd00b251f91a37c70fc551a140c87b.tar.xz | |
ext4: split ext4_journal_start trace for debug
we might want to know why jbd2 thread using high io for detail,
split ext4_journal_start trace to ext4_journal_start_sb and
ext4_journal_start_inode, show ino and handle type when possible.
Signed-off-by: changfengnan <changfengnan@bytedance.com>
Link: https://lore.kernel.org/r/20221008120518.74870-1-changfengnan@bytedance.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/ext4_jbd2.c')
| -rw-r--r-- | fs/ext4/ext4_jbd2.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c index 8e1fb18f465e..77f318ec8abb 100644 --- a/fs/ext4/ext4_jbd2.c +++ b/fs/ext4/ext4_jbd2.c @@ -86,15 +86,21 @@ static int ext4_journal_check_start(struct super_block *sb) return 0; } -handle_t *__ext4_journal_start_sb(struct super_block *sb, unsigned int line, +handle_t *__ext4_journal_start_sb(struct inode *inode, + struct super_block *sb, unsigned int line, int type, int blocks, int rsv_blocks, int revoke_creds) { journal_t *journal; int err; - - trace_ext4_journal_start(sb, blocks, rsv_blocks, revoke_creds, - _RET_IP_); + if (inode) + trace_ext4_journal_start_inode(inode, blocks, rsv_blocks, + revoke_creds, type, + _RET_IP_); + else + trace_ext4_journal_start_sb(sb, blocks, rsv_blocks, + revoke_creds, type, + _RET_IP_); err = ext4_journal_check_start(sb); if (err < 0) return ERR_PTR(err); |