Commit a66b39f6 authored by Anand Jain's avatar Anand Jain Committed by David Sterba
Browse files

btrfs: sysfs: accept size suffixes for read policy values 



We now parse human-friendly size values (e.g. '1G', '2M') when setting
read policies.

Signed-off-by: default avatarAnand Jain <anand.jain@oracle.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 19eaf5fd

fs/btrfs/sysfs.c

+6 −5
Original line number Diff line number Diff line
@@ -1342,17 +1342,18 @@ int btrfs_read_policy_to_enum(const char *str, s64 *value_ret) 
	/* Separate value from input in policy:value format. */

	value_str = strchr(param, ':');

	if (value_str) {

		int ret;

		char *retptr;



		*value_str = 0;

		value_str++;

		if (!value_ret)

			return -EINVAL;

		ret = kstrtos64(value_str, 10, value_ret);

		if (ret)



		*value_ret = memparse(value_str, &retptr);

		/* There could be any trailing typos after the value. */

		retptr = skip_spaces(retptr);

		if (*retptr != 0 || *value_ret <= 0)

			return -EINVAL;

		if (*value_ret < 0)

			return -ERANGE;

	}

#endif