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authorJohn Garry <john.g.garry@oracle.com>2024-07-19 11:29:09 +0000
committerJens Axboe <axboe@kernel.dk>2024-07-19 09:32:49 -0600
commit6fa99325ec86bcd442363d77561a1babd8d9a427 (patch)
treeaf8a3228220d1147048c5eaa156f7286de4c3075 /block/blk-mq-debugfs.c
parent26d3bdb57ec3fa56eaf8d2e74b5d488e55f43013 (diff)
block: Catch possible entries missing from cmd_flag_name[]
Add a BUILD_BUG_ON() call to ensure that we are not missing entries in cmd_flag_name[]. Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: John Garry <john.g.garry@oracle.com> Link: https://lore.kernel.org/r/20240719112912.3830443-13-john.g.garry@oracle.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq-debugfs.c')
-rw-r--r--block/blk-mq-debugfs.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index 312e8a40caad..a4accd79c225 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -281,6 +281,8 @@ int __blk_mq_debugfs_rq_show(struct seq_file *m, struct request *rq)
const enum req_op op = req_op(rq);
const char *op_str = blk_op_str(op);
+ BUILD_BUG_ON(ARRAY_SIZE(cmd_flag_name) != __REQ_NR_BITS);
+
seq_printf(m, "%p {.op=", rq);
if (strcmp(op_str, "UNKNOWN") == 0)
seq_printf(m, "%u", op);