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storage_util: Prefer generic FICLONE over btrfs/xfs defines

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After my change to the original patch that resulted in commit
8ed874b39b3 it was brought to my attention that all three defines
are the same: FICLONE = BTRFS_IOC_CLONE = XFS_IOC_CLONE (as
documented in ioctl_ficlone(2)). Therefore we should prefer
generic FICLONE over 'specific' defines for btrfs/xfs.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
This commit is contained in:
Michal Privoznik 2018-07-09 12:59:20 +02:00
parent 986152e004
commit fa18da2d81
1 changed files with 3 additions and 3 deletions
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6
src/storage/storage_util.c
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@ -46,14 +46,14 @@
# include <selinux/selinux.h>
#endif
#if HAVE_LINUX_BTRFS_H
#ifdef FICLONE
# define REFLINK_IOC_CLONE FICLONE
#elif HAVE_LINUX_BTRFS_H
# include <linux/btrfs.h>
# define REFLINK_IOC_CLONE BTRFS_IOC_CLONE
#elif HAVE_XFS_XFS_H
# include <xfs/xfs.h>
# define REFLINK_IOC_CLONE XFS_IOC_CLONE
#elif defined(FICLONE)
# define REFLINK_IOC_CLONE FICLONE
#endif
#include "datatypes.h"