UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

jbd2: add missing tracepoint for reserved handle 

This issue was found when I use ebpf to trace every jbd2
handle's running info in dioread_nolock case.

Signed-off-by: Xiaoguang Wang <xiaoguang.wang@linux.alibaba.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Xiaoguang Wang 2019-08-24 23:10:17 -04:00 committed by Theodore Ts'o
parent c1e8220bd3
commit 4c273352bb
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
fs/jbd2/transaction.c
View File

@ -569,6 +569,9 @@ int jbd2_journal_start_reserved(handle_t *handle, unsigned int type,
} }
handle->h_type = type; handle->h_type = type;
handle->h_line_no = line_no; handle->h_line_no = line_no;
trace_jbd2_handle_start(journal->j_fs_dev->bd_dev,
handle->h_transaction->t_tid, type,
line_no, handle->h_buffer_credits);
return 0; return 0;
} }
EXPORT_SYMBOL(jbd2_journal_start_reserved); EXPORT_SYMBOL(jbd2_journal_start_reserved);