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authorJohn Garry <john.g.garry@oracle.com>2024-07-19 13:29:08 +0200
committerJens Axboe <axboe@kernel.dk>2024-07-19 17:32:49 +0200
commit26d3bdb57ec3fa56eaf8d2e74b5d488e55f43013 (patch)
tree1cbef473c8fdd63b1bdd650191f6efc73ed53618 /block
parentblock: Catch possible entries missing from hctx_flag_name[] (diff)
downloadlinux-26d3bdb57ec3fa56eaf8d2e74b5d488e55f43013.tar.xz
linux-26d3bdb57ec3fa56eaf8d2e74b5d488e55f43013.zip
block: Catch possible entries missing from alloc_policy_name[]
Make BLK_TAG_ALLOC_x an enum and add a "max" entry. Add a BUILD_BUG_ON() call to ensure that we are not missing entries in hctx_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/20240719112912.3830443-12-john.g.garry@oracle.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
-rw-r--r--block/blk-mq-debugfs.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index 8618aa07ba2d..312e8a40caad 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -198,6 +198,7 @@ static int hctx_flags_show(void *data, struct seq_file *m)
BUILD_BUG_ON(ARRAY_SIZE(hctx_flag_name) !=
BLK_MQ_F_ALLOC_POLICY_START_BIT);
+ BUILD_BUG_ON(ARRAY_SIZE(alloc_policy_name) != BLK_TAG_ALLOC_MAX);
seq_puts(m, "alloc_policy=");
if (alloc_policy < ARRAY_SIZE(alloc_policy_name) &&