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authorTheodore Ts'o <tytso@mit.edu>2010-07-27 11:56:03 -0400
committerTheodore Ts'o <tytso@mit.edu>2010-07-27 11:56:03 -0400
commit1c13d5c0872870cca3e612aa045d492ead9ab004 (patch)
tree6e3dd0d3f49ff56dda9fc6cd72c233759bc24e09 /fs/ext4/block_validity.c
parentc398eda0e43a791be0fca6f197a1e2bbb9f16070 (diff)
downloadlinux-1c13d5c0872870cca3e612aa045d492ead9ab004.tar.bz2
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/block_validity.c')
-rw-r--r--fs/ext4/block_validity.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/ext4/block_validity.c b/fs/ext4/block_validity.c
index 5b6973fbf1bd..3db5084db9bd 100644
--- a/fs/ext4/block_validity.c
+++ b/fs/ext4/block_validity.c
@@ -229,16 +229,20 @@ int ext4_data_block_valid(struct ext4_sb_info *sbi, ext4_fsblk_t start_blk,
if ((start_blk <= le32_to_cpu(sbi->s_es->s_first_data_block)) ||
(start_blk + count < start_blk) ||
- (start_blk + count > ext4_blocks_count(sbi->s_es)))
+ (start_blk + count > ext4_blocks_count(sbi->s_es))) {
+ sbi->s_es->s_last_error_block = cpu_to_le64(start_blk);
return 0;
+ }
while (n) {
entry = rb_entry(n, struct ext4_system_zone, node);
if (start_blk + count - 1 < entry->start_blk)
n = n->rb_left;
else if (start_blk >= (entry->start_blk + entry->count))
n = n->rb_right;
- else
+ else {
+ sbi->s_es->s_last_error_block = cpu_to_le64(start_blk);
return 0;
+ }
}
return 1;
}