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btrfs: unexport btrfs_compress_set_level()

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btrfs_compress_set_level() can be static function in the file
compression.c.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Anand Jain 2020-05-11 22:37:51 -07:00 committed by David Sterba
parent 0202e83fda
commit adbab6420c
2 changed files with 16 additions and 18 deletions
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32
fs/btrfs/compression.c
View File

@ -1139,6 +1139,22 @@ static void put_workspace(int type, struct list_head *ws)
}
}
/*
* Adjust @level according to the limits of the compression algorithm or
* fallback to default
*/
static unsigned int btrfs_compress_set_level(int type, unsigned level)
{
const struct btrfs_compress_op *ops = btrfs_compress_op[type];
if (level == 0)
level = ops->default_level;
else
level = min(level, ops->max_level);
return level;
}
/*
* Given an address space and start and length, compress the bytes into @pages
* that are allocated on demand.
@ -1746,19 +1762,3 @@ unsigned int btrfs_compress_str2level(unsigned int type, const char *str)
return level;
}
/*
* Adjust @level according to the limits of the compression algorithm or
* fallback to default
*/
unsigned int btrfs_compress_set_level(int type, unsigned level)
{
const struct btrfs_compress_op *ops = btrfs_compress_op[type];
if (level == 0)
level = ops->default_level;
else
level = min(level, ops->max_level);
return level;
}

2
fs/btrfs/compression.h
View File

@ -140,8 +140,6 @@ extern const struct btrfs_compress_op btrfs_zstd_compress;
const char* btrfs_compress_type2str(enum btrfs_compression_type type);
bool btrfs_compress_is_valid_type(const char *str, size_t len);
unsigned int btrfs_compress_set_level(int type, unsigned level);
int btrfs_compress_heuristic(struct inode *inode, u64 start, u64 end);
#endif