lkml.org 
[lkml]   [2018]   [Aug]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] f2fs: avoid f2fs_bug_on() in cp_error case
Date
There is a subtle race condition to invoke f2fs_bug_on() in shutdown tests. I've
confirmed that the last checkpoint is preserved in consistent state, so it'd be
fine to just return error at this moment.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
fs/f2fs/node.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 6055d2d12640..21ffb784764c 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1075,6 +1075,10 @@ int f2fs_remove_inode_page(struct inode *inode)
f2fs_truncate_data_blocks_range(&dn, 1);

/* 0 is possible, after f2fs_new_inode() has failed */
+ if (unlikely(f2fs_cp_error(F2FS_I_SB(inode)))) {
+ f2fs_put_dnode(&dn);
+ return -EIO;
+ }
f2fs_bug_on(F2FS_I_SB(inode),
inode->i_blocks != 0 && inode->i_blocks != 8);

--
2.17.0.441.gb46fe60e1d-goog
\
 
 \ /
  Last update: 2018-08-01 19:51    [W:0.035 / U:2.160 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site