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block: fix a crash caused by wrong API

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part_stat_show takes a part device not a disk, so we should use
part_to_disk.

Fixes: d62e26b3ffd2("block: pass in queue to inflight accounting")
Cc: Bart Van Assche <bart.vanassche@wdc.com>
Cc: Omar Sandoval <osandov@fb.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Shaohua Li 2017-09-21 12:17:16 -07:00 committed by Jens Axboe
parent 332391a993
commit f5c156c4c2
1 changed files with 1 additions and 1 deletions
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block/partition-generic.c
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@ -112,7 +112,7 @@ ssize_t part_stat_show(struct device *dev,
struct device_attribute *attr, char *buf) struct device_attribute *attr, char *buf)
{ {
struct hd_struct *p = dev_to_part(dev); struct hd_struct *p = dev_to_part(dev);
struct request_queue *q = dev_to_disk(dev)->queue; struct request_queue *q = part_to_disk(p)->queue;
unsigned int inflight[2]; unsigned int inflight[2];
int cpu; int cpu;