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-rw-r--r--fs/nilfs2/gcinode.c9
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;