diff options
| author | Ryusuke Konishi | 2016-08-02 14:05:17 -0700 |
|---|---|---|
| committer | Linus Torvalds | 2016-08-02 19:35:19 -0400 |
| commit | 39a9dcca61a3d1375b9440676cbfc541804cd217 (patch) | |
| tree | f70ccb6a9c342fb18d29d2dd7740eb89ac379463 /fs/nilfs2/mdt.c | |
| parent | d6517deb014954d3229910e46f3b85b7ad80db3e (diff) | |
nilfs2: emit error message when I/O error is detected
When nilfs returned -EIO as an error code, it's not always clear if it
came from the underlying block device or not. This will mend the issue
by having low level I/O routines of nilfs output an error message when
they detected an I/O error.
Link: http://lkml.kernel.org/r/1464875891-5443-7-git-send-email-konishi.ryusuke@lab.ntt.co.jp
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/nilfs2/mdt.c')
| -rw-r--r-- | fs/nilfs2/mdt.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c index 0d7b71fbeff8..d56d3a5bea88 100644 --- a/fs/nilfs2/mdt.c +++ b/fs/nilfs2/mdt.c @@ -207,8 +207,12 @@ static int nilfs_mdt_read_block(struct inode *inode, unsigned long block, out_no_wait: err = -EIO; - if (!buffer_uptodate(first_bh)) + if (!buffer_uptodate(first_bh)) { + nilfs_msg(inode->i_sb, KERN_ERR, + "I/O error reading meta-data file (ino=%lu, block-offset=%lu)", + inode->i_ino, block); goto failed_bh; + } out: *out_bh = first_bh; return 0; |