genhd: overlapping variable definition

This fixes the sparse warning:
fs/ext4/super.c:2390:40: warning: symbol 'i' shadows an earlier one
fs/ext4/super.c:2368:22: originally declared here

Using 'i' in a macro is dubious practice.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Stephen Hemminger 2010-01-06 15:45:55 -08:00 committed by Jens Axboe
parent ce289321b7
commit 7af92f8754

View File

@ -256,9 +256,9 @@ extern struct hd_struct *disk_map_sector_rcu(struct gendisk *disk,
#define part_stat_read(part, field) \
({ \
typeof((part)->dkstats->field) res = 0; \
int i; \
for_each_possible_cpu(i) \
res += per_cpu_ptr((part)->dkstats, i)->field; \
unsigned int _cpu; \
for_each_possible_cpu(_cpu) \
res += per_cpu_ptr((part)->dkstats, _cpu)->field; \
res; \
})