Commit 7919d679 authored by Jinlong Chen's avatar Jinlong Chen Committed by Jens Axboe

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: default avatarJinlong Chen <nickyc975@zju.edu.cn>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/bdd7083ed4f232e3285f39081e3c5f30b20b8da2.1669736350.git.nickyc975@zju.edu.cnSigned-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 8613dec0
...@@ -767,10 +767,12 @@ ssize_t elv_iosched_show(struct request_queue *q, char *name) ...@@ -767,10 +767,12 @@ ssize_t elv_iosched_show(struct request_queue *q, char *name)
if (!elv_support_iosched(q)) if (!elv_support_iosched(q))
return sprintf(name, "none\n"); return sprintf(name, "none\n");
if (!q->elevator) if (!q->elevator) {
len += sprintf(name+len, "[none] "); len += sprintf(name+len, "[none] ");
else } else {
len += sprintf(name+len, "none ");
cur = eq->type; cur = eq->type;
}
spin_lock(&elv_list_lock); spin_lock(&elv_list_lock);
list_for_each_entry(e, &elv_list, list) { list_for_each_entry(e, &elv_list, list) {
...@@ -783,9 +785,6 @@ ssize_t elv_iosched_show(struct request_queue *q, char *name) ...@@ -783,9 +785,6 @@ ssize_t elv_iosched_show(struct request_queue *q, char *name)
} }
spin_unlock(&elv_list_lock); spin_unlock(&elv_list_lock);
if (q->elevator)
len += sprintf(name+len, "none");
len += sprintf(len+name, "\n"); len += sprintf(len+name, "\n");
return len; return len;
} }
......
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