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f2fs: show simple call stack in fault injection message

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Previously kernel message can show that in which function we do the
injection, but unfortunately, most of the caller are the same, for
tracking more information of injection path, it needs to show upper
caller's name. This patch supports that ability.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu
2017-02-25 11:08:28 +08:00
committed by Jaegeuk Kim
parent dd7b2333e6
commit 55523519bc
8 changed files with 32 additions and 13 deletions
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4
fs/f2fs/segment.c
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@@ -352,8 +352,10 @@ int commit_inmem_pages(struct inode *inode)
void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need)
{
#ifdef CONFIG_F2FS_FAULT_INJECTION
if (time_to_inject(sbi, FAULT_CHECKPOINT))
if (time_to_inject(sbi, FAULT_CHECKPOINT)) {
f2fs_show_injection_info(FAULT_CHECKPOINT);
f2fs_stop_checkpoint(sbi, false);
}
#endif
if (!need)