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| author | Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | 2016-08-02 14:05:17 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-08-02 19:35:19 -0400 |
| commit | 39a9dcca61a3d1375b9440676cbfc541804cd217 (patch) | |
| tree | f70ccb6a9c342fb18d29d2dd7740eb89ac379463 /fs/nilfs2/gcinode.c | |
| parent | d6517deb014954d3229910e46f3b85b7ad80db3e (diff) | |
| download | linux-39a9dcca61a3d1375b9440676cbfc541804cd217.tar.gz linux-39a9dcca61a3d1375b9440676cbfc541804cd217.tar.bz2 linux-39a9dcca61a3d1375b9440676cbfc541804cd217.zip | |
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/gcinode.c')
| -rw-r--r-- | fs/nilfs2/gcinode.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/nilfs2/gcinode.c b/fs/nilfs2/gcinode.c index e9148f94d696..853a831dcde0 100644 --- a/fs/nilfs2/gcinode.c +++ b/fs/nilfs2/gcinode.c @@ -148,8 +148,15 @@ int nilfs_gccache_submit_read_node(struct inode *inode, sector_t pbn, int nilfs_gccache_wait_and_mark_dirty(struct buffer_head *bh) { wait_on_buffer(bh); - if (!buffer_uptodate(bh)) + if (!buffer_uptodate(bh)) { + struct inode *inode = bh->b_page->mapping->host; + + nilfs_msg(inode->i_sb, KERN_ERR, + "I/O error reading %s block for GC (ino=%lu, vblocknr=%llu)", + buffer_nilfs_node(bh) ? "node" : "data", + inode->i_ino, (unsigned long long)bh->b_blocknr); return -EIO; + } if (buffer_dirty(bh)) return -EEXIST; |