summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorKent Overstreet <kent.overstreet@linux.dev>2025-06-11 15:12:20 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-08-15 16:39:15 +0200
commit953320b29d8ef31bb78f1d9ad57b8be9cbbdfb74 (patch)
treed9cd7d16cf64836b0133e87bb1e487b69ae10218
parentdb7cd3637651e37d99dc2cc64c3c74051f76b3f9 (diff)
dm-flakey: Fix corrupt_bio_byte setup checks
[ Upstream commit 75227ed6812cb869380c8fb6d41a845ae571781e ] Fix the error_reads mode - it's incompatible with corrupt_bio_byte, but that's only enabled if corrupt_bio_byte is nonzero. Cc: Benjamin Marzinski <bmarzins@redhat.com> Cc: Mikulas Patocka <mpatocka@redhat.com> Cc: Mike Snitzer <snitzer@kernel.org> Cc: dm-devel@lists.linux.dev Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> Reviewed-by: Benjamin Marzinski <bmarzins@redhat.com> Fixes: 19da6b2c9e8e ("dm-flakey: Clean up parsing messages") Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/md/dm-flakey.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c
index c711db6f8f5c..cf17fd46e255 100644
--- a/drivers/md/dm-flakey.c
+++ b/drivers/md/dm-flakey.c
@@ -215,16 +215,19 @@ static int parse_features(struct dm_arg_set *as, struct flakey_c *fc,
}
if (test_bit(DROP_WRITES, &fc->flags) &&
- (fc->corrupt_bio_rw == WRITE || fc->random_write_corrupt)) {
+ ((fc->corrupt_bio_byte && fc->corrupt_bio_rw == WRITE) ||
+ fc->random_write_corrupt)) {
ti->error = "drop_writes is incompatible with random_write_corrupt or corrupt_bio_byte with the WRITE flag set";
return -EINVAL;
} else if (test_bit(ERROR_WRITES, &fc->flags) &&
- (fc->corrupt_bio_rw == WRITE || fc->random_write_corrupt)) {
+ ((fc->corrupt_bio_byte && fc->corrupt_bio_rw == WRITE) ||
+ fc->random_write_corrupt)) {
ti->error = "error_writes is incompatible with random_write_corrupt or corrupt_bio_byte with the WRITE flag set";
return -EINVAL;
} else if (test_bit(ERROR_READS, &fc->flags) &&
- (fc->corrupt_bio_rw == READ || fc->random_read_corrupt)) {
+ ((fc->corrupt_bio_byte && fc->corrupt_bio_rw == READ) ||
+ fc->random_read_corrupt)) {
ti->error = "error_reads is incompatible with random_read_corrupt or corrupt_bio_byte with the READ flag set";
return -EINVAL;
}