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| author | Mike Snitzer <snitzer@kernel.org> | 2023-03-25 03:49:25 +0300 |
|---|---|---|
| committer | Mike Snitzer <snitzer@kernel.org> | 2023-03-30 22:57:50 +0300 |
| commit | b75a80f4f5a956f3d335ebf29c7cee1b234ac3cf (patch) | |
| tree | 30c800c39e8f740fb063a86820e75e684ce8fd4c /drivers/md/dm-bufio.c | |
| parent | 0511228752eaa5264ada8b1f4baeded916c65945 (diff) | |
| download | linux-b75a80f4f5a956f3d335ebf29c7cee1b234ac3cf.tar.xz | |
dm bufio: don't bug for clear developer oversight
Reasonable to relax to WARN_ON because these are easily avoided but do
offer some assurance future coding mistakes won't occur (if changes
tested properly).
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Diffstat (limited to 'drivers/md/dm-bufio.c')
| -rw-r--r-- | drivers/md/dm-bufio.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index d63f94ab1d9f..64fb5fd39bd9 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -378,8 +378,10 @@ static void adjust_total_allocated(struct dm_buffer *b, bool unlink) */ static void __cache_size_refresh(void) { - BUG_ON(!mutex_is_locked(&dm_bufio_clients_lock)); - BUG_ON(dm_bufio_client_count < 0); + if (WARN_ON(!mutex_is_locked(&dm_bufio_clients_lock))) + return; + if (WARN_ON(dm_bufio_client_count < 0)) + return; dm_bufio_cache_size_latch = READ_ONCE(dm_bufio_cache_size); @@ -1536,7 +1538,8 @@ static void drop_buffers(struct dm_bufio_client *c) int i; bool warned = false; - BUG_ON(dm_bufio_in_request()); + if (WARN_ON(dm_bufio_in_request())) + return; /* should never happen */ /* * An optimization so that the buffers are not written one-by-one. @@ -1556,7 +1559,7 @@ static void drop_buffers(struct dm_bufio_client *c) (unsigned long long)b->block, b->hold_count, i); #ifdef CONFIG_DM_DEBUG_BLOCK_STACK_TRACING stack_trace_print(b->stack_entries, b->stack_len, 1); - /* mark unclaimed to avoid BUG_ON below */ + /* mark unclaimed to avoid WARN_ON below */ b->hold_count = 0; #endif } @@ -1567,7 +1570,7 @@ static void drop_buffers(struct dm_bufio_client *c) #endif for (i = 0; i < LIST_SIZE; i++) - BUG_ON(!list_empty(&c->lru[i])); + WARN_ON(!list_empty(&c->lru[i])); dm_bufio_unlock(c); } |