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block: Catch possible entries missing from cmd_flag_name[]

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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>
This commit is contained in:
John Garry
2024-07-19 11:29:09 +00:00
committed by Jens Axboe
parent 26d3bdb57e
commit 6fa99325ec
2 changed files with 3 additions and 0 deletions
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2
block/blk-mq-debugfs.c
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@@ -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);