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| author | Jinlong Chen <nickyc975@zju.edu.cn> | 2022-11-29 18:46:34 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-11-29 20:48:59 +0300 |
| commit | 7919d679ae09c0dc30dfecb7cbc02306cf95cdd7 (patch) | |
| tree | 992cf92c3adf24e9690387954328119787c23f9b /block/elevator.c | |
| parent | 8613dec04e746f698418e9b8344acf19efff4997 (diff) | |
| download | linux-7919d679ae09c0dc30dfecb7cbc02306cf95cdd7.tar.xz | |
block: include 'none' for initial elv_iosched_show call
This makes the printing order of the io schedulers consistent, and removes
a redundant q->elevator check.
Signed-off-by: Jinlong Chen <nickyc975@zju.edu.cn>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/bdd7083ed4f232e3285f39081e3c5f30b20b8da2.1669736350.git.nickyc975@zju.edu.cn
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/elevator.c')
| -rw-r--r-- | block/elevator.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/block/elevator.c b/block/elevator.c index 599413620558..308bee253564 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -767,10 +767,12 @@ ssize_t elv_iosched_show(struct request_queue *q, char *name) if (!elv_support_iosched(q)) return sprintf(name, "none\n"); - if (!q->elevator) + if (!q->elevator) { len += sprintf(name+len, "[none] "); - else + } else { + len += sprintf(name+len, "none "); cur = eq->type; + } spin_lock(&elv_list_lock); list_for_each_entry(e, &elv_list, list) { @@ -783,9 +785,6 @@ ssize_t elv_iosched_show(struct request_queue *q, char *name) } spin_unlock(&elv_list_lock); - if (q->elevator) - len += sprintf(name+len, "none"); - len += sprintf(len+name, "\n"); return len; } |