diff options
| author | John Garry <john.g.garry@oracle.com> | 2024-07-19 11:29:08 +0000 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-07-19 09:32:49 -0600 |
| commit | 26d3bdb57ec3fa56eaf8d2e74b5d488e55f43013 (patch) | |
| tree | 1cbef473c8fdd63b1bdd650191f6efc73ed53618 /include/linux | |
| parent | 226f0f6afc3e5c8903c6e57e1f6073ad8ad189b5 (diff) | |
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 'include/linux')
| -rw-r--r-- | include/linux/blk-mq.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 27241009c8f9..a64a50a0edf7 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -278,8 +278,12 @@ enum blk_eh_timer_return { BLK_EH_RESET_TIMER, }; -#define BLK_TAG_ALLOC_FIFO 0 /* allocate starting from 0 */ -#define BLK_TAG_ALLOC_RR 1 /* allocate starting from last allocated tag */ +/* Keep alloc_policy_name[] in sync with the definitions below */ +enum { + BLK_TAG_ALLOC_FIFO, /* allocate starting from 0 */ + BLK_TAG_ALLOC_RR, /* allocate starting from last allocated tag */ + BLK_TAG_ALLOC_MAX +}; /** * struct blk_mq_hw_ctx - State for a hardware queue facing the hardware |