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authorNikolay Borisov <nborisov@suse.com>2020-07-02 15:23:32 +0300
committerDavid Sterba <dsterba@suse.com>2020-07-27 12:55:40 +0200
commit814723e0a55a9576b1d17f4fa8811086a24dd3e8 (patch)
treed95e646ca9f47fdc186d6e35d1c63b47c594348c
parent3eee86c8fd9a9cdeba7afa943ae00bd166e2899a (diff)
btrfs: increment device corruption error in case of checksum error
Now that btrfs_io_bio have access to btrfs_device we can safely increment the device corruption counter on error. There is one notable exception - repair bios for raid. Since those don't go through the normal submit_stripe_bio callpath but through raid56_parity_recover thus repair bios won't have their device set. Scrub increments the corruption counter for checksum mismatch as well but does not call this function. Link: https://lore.kernel.org/linux-btrfs/4857863.FCrPRfMyHP@liv/ Reviewed-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: Nikolay Borisov <nborisov@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
-rw-r--r--fs/btrfs/inode.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index f066cad2d039..0fa4f7007ff9 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2815,6 +2815,9 @@ static int check_data_csum(struct inode *inode, struct btrfs_io_bio *io_bio,
zeroit:
btrfs_print_data_csum_error(BTRFS_I(inode), start, csum, csum_expected,
io_bio->mirror_num);
+ if (io_bio->device)
+ btrfs_dev_stat_inc_and_print(io_bio->device,
+ BTRFS_DEV_STAT_CORRUPTION_ERRS);
memset(kaddr + pgoff, 1, len);
flush_dcache_page(page);
kunmap_atomic(kaddr);