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authorTheodore Ts'o <tytso@mit.edu>2010-07-27 17:56:03 +0200
committerTheodore Ts'o <tytso@mit.edu>2010-07-27 17:56:03 +0200
commit1c13d5c0872870cca3e612aa045d492ead9ab004 (patch)
tree6e3dd0d3f49ff56dda9fc6cd72c233759bc24e09 /fs/ext4/ext4_jbd2.c
parentext4: Pass line numbers to ext4_error() and friends (diff)
downloadlinux-1c13d5c0872870cca3e612aa045d492ead9ab004.tar.xz
linux-1c13d5c0872870cca3e612aa045d492ead9ab004.zip
ext4: Save error information to the superblock for analysis
Save number of file system errors, and the time function name, line number, block number, and inode number of the first and most recent errors reported on the file system in the superblock. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/ext4_jbd2.c')
-rw-r--r--fs/ext4/ext4_jbd2.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c
index 23425cd68daa..6e272ef6ba96 100644
--- a/fs/ext4/ext4_jbd2.c
+++ b/fs/ext4/ext4_jbd2.c
@@ -134,6 +134,11 @@ int __ext4_handle_dirty_metadata(const char *where, unsigned int line,
if (inode && inode_needs_sync(inode)) {
sync_dirty_buffer(bh);
if (buffer_req(bh) && !buffer_uptodate(bh)) {
+ struct ext4_super_block *es;
+
+ es = EXT4_SB(inode->i_sb)->s_es;
+ es->s_last_error_block =
+ cpu_to_le64(bh->b_blocknr);
ext4_error_inode(inode, where, line,
bh->b_blocknr,
"IO error syncing itable block");