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block: cleanup the variable naming in elv_iosched_store 

Use eq for the elevator_queue as done elsewhere.  This frees e to be used
for the loop iterator instead of the odd __ prefix.  In addition rename
elv to cur to make it more clear it is the currently selected elevator.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20221030100714.876891-5-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2022-10-30 11:07:11 +01:00 committed by Jens Axboe
parent aae2a643f5
commit 16095af2fa
1 changed files with 8 additions and 9 deletions
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17
block/elevator.c
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@ -778,9 +778,8 @@ ssize_t elv_iosched_store(struct request_queue *q, const char *buf,
ssize_t elv_iosched_show(struct request_queue *q, char *name)
{
struct elevator_queue *e = q->elevator;
struct elevator_type *elv = NULL;
struct elevator_type *__e;
struct elevator_queue *eq = q->elevator;
struct elevator_type *cur = NULL, *e;
int len = 0;
if (!elv_support_iosched(q))
@ -789,17 +788,17 @@ ssize_t elv_iosched_show(struct request_queue *q, char *name)
if (!q->elevator)
len += sprintf(name+len, "[none] ");
else
elv = e->type;
cur = eq->type;
spin_lock(&elv_list_lock);
list_for_each_entry(__e, &elv_list, list) {
if (elv && elevator_match(elv, __e->elevator_name, 0)) {
len += sprintf(name+len, "[%s] ", elv->elevator_name);
list_for_each_entry(e, &elv_list, list) {
if (cur && elevator_match(cur, e->elevator_name, 0)) {
len += sprintf(name+len, "[%s] ", cur->elevator_name);
continue;
}
if (elevator_match(__e, __e->elevator_name,
if (elevator_match(e, e->elevator_name,
q->required_elevator_features))
len += sprintf(name+len, "%s ", __e->elevator_name);
len += sprintf(name+len, "%s ", e->elevator_name);
}
spin_unlock(&elv_list_lock);