From 1c13d5c0872870cca3e612aa045d492ead9ab004 Mon Sep 17 00:00:00 2001 From: Theodore Ts'o Date: Tue, 27 Jul 2010 11:56:03 -0400 Subject: 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" --- fs/ext4/block_validity.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'fs/ext4/block_validity.c') 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; } -- cgit v1.2.2