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btrfs: constify map parameter for nr_parity_stripes and nr_data_stripes

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Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2019-05-17 11:43:43 +02:00
parent 158da513b1
commit 72ad813157
1 changed files with 2 additions and 2 deletions
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4
fs/btrfs/raid56.h
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@ -7,7 +7,7 @@
#ifndef BTRFS_RAID56_H
#define BTRFS_RAID56_H
static inline int nr_parity_stripes(struct map_lookup *map)
static inline int nr_parity_stripes(const struct map_lookup *map)
{
if (map->type & BTRFS_BLOCK_GROUP_RAID5)
return 1;
@ -17,7 +17,7 @@ static inline int nr_parity_stripes(struct map_lookup *map)
return 0;
}
static inline int nr_data_stripes(struct map_lookup *map)
static inline int nr_data_stripes(const struct map_lookup *map)
{
return map->num_stripes - nr_parity_stripes(map);
}