Re: [PATCH 2/2] storage: Rename btrfsCloneFile to support other filesystems.

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On 07/06/2018 03:43 PM, Julio Faracco wrote:
> This commit renames and adds other macros to support aother filesystems
> when a reflink is performed. After that, XFS filesystems (and others)
> with reflink support will be able to clone.
> 
> Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1565004
> 
> Signed-off-by: Julio Faracco <jcfaracco@xxxxxxxxx>
> ---
>  src/storage/storage_util.c | 20 ++++++++++++++------
>  1 file changed, 14 insertions(+), 6 deletions(-)
> 
> diff --git a/src/storage/storage_util.c b/src/storage/storage_util.c
> index a701a75702..fd1239c6cb 100644
> --- a/src/storage/storage_util.c
> +++ b/src/storage/storage_util.c
> @@ -36,6 +36,9 @@
>  # ifndef FS_NOCOW_FL
>  #  define FS_NOCOW_FL                     0x00800000 /* Do not cow file */
>  # endif
> +# ifdef FICLONE
> +#  define REFLINK_IOC_CLONE FICLONE
> +# endif
>  #endif
>  
>  #if WITH_BLKID
> @@ -48,6 +51,10 @@
>  
>  #if 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
>  #endif
>  

Problem is, REFLING_IOC_CLONE is defined already at this point (by hunk 
above) so this redefines the macro.

Fixed by squashing this in:

diff --git i/src/storage/storage_util.c w/src/storage/storage_util.c
index fd1239c6cb..da99043e0a 100644
--- i/src/storage/storage_util.c
+++ w/src/storage/storage_util.c
@@ -36,9 +36,6 @@
 # ifndef FS_NOCOW_FL
 #  define FS_NOCOW_FL                     0x00800000 /* Do not cow file */
 # endif
-# ifdef FICLONE
-#  define REFLINK_IOC_CLONE FICLONE
-# endif
 #endif
 
 #if WITH_BLKID
@@ -55,6 +52,8 @@
 #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"

Michal

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