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Commit 68598d2e authored by Dmitry V. Levin's avatar Dmitry V. Levin Committed by David Sterba
Browse files

btrfs: remove btrfs_err_str function from uapi/linux/btrfs.h 



btrfs_err_str function is not called from anywhere and is replicated
in the userspace headers for btrfs-progs.

It's removal also fixes the following linux/btrfs.h userspace
compilation error:

/usr/include/linux/btrfs.h: In function 'btrfs_err_str':
/usr/include/linux/btrfs.h:740:11: error: 'NULL' undeclared (first use in this function)
    return NULL;

Suggested-by: default avatarJeff Mahoney <jeffm@suse.com>
Signed-off-by: default avatarDmitry V. Levin <ldv@altlinux.org>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent e9f467d0

include/uapi/linux/btrfs.h

+0 −27
Original line number Diff line number Diff line
@@ -713,33 +713,6 @@ enum btrfs_err_code { 
	BTRFS_ERROR_DEV_ONLY_WRITABLE,

	BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS

};

/* An error code to error string mapping for the kernel

*  error codes

*/

static inline char *btrfs_err_str(enum btrfs_err_code err_code)

{

	switch (err_code) {

		case BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET:

			return "unable to go below two devices on raid1";

		case BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET:

			return "unable to go below four devices on raid10";

		case BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET:

			return "unable to go below two devices on raid5";

		case BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET:

			return "unable to go below three devices on raid6";

		case BTRFS_ERROR_DEV_TGT_REPLACE:

			return "unable to remove the dev_replace target dev";

		case BTRFS_ERROR_DEV_MISSING_NOT_FOUND:

			return "no missing devices found to remove";

		case BTRFS_ERROR_DEV_ONLY_WRITABLE:

			return "unable to remove the only writeable device";

		case BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS:

			return "add/delete/balance/replace/resize operation "\

				"in progress";

		default:

			return NULL;

	}

}



#define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \

				   struct btrfs_ioctl_vol_args)