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-rw-r--r--fs/nilfs2/btree.c3
-rw-r--r--fs/nilfs2/gcinode.c9
-rw-r--r--fs/nilfs2/mdt.c6
3 files changed, 16 insertions, 2 deletions
diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c
index 2c52693a69a4..2e315f9f2e51 100644
--- a/fs/nilfs2/btree.c
+++ b/fs/nilfs2/btree.c
@@ -517,6 +517,9 @@ static int __nilfs_btree_get_block(const struct nilfs_bmap *btree, __u64 ptr,
out_no_wait:
if (!buffer_uptodate(bh)) {
+ nilfs_msg(btree->b_inode->i_sb, KERN_ERR,
+ "I/O error reading b-tree node block (ino=%lu, blocknr=%llu)",
+ btree->b_inode->i_ino, (unsigned long long)ptr);
brelse(bh);
return -EIO;
}
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;
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;