linux-ext4 - Re: [v9 4/5] ext4: adds FS_IOC_FSSETXATTR/FS_IOC

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Date:	Wed, 11 Mar 2015 10:33:47 +0300
From:	Konstantin Khlebnikov <koct9i@...il.com>
To:	Li Xi <pkuelelixi@...il.com>
Cc:	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>,
	Linux API <linux-api@...r.kernel.org>,
	"Theodore Ts'o" <tytso@....edu>,
	Andreas Dilger <adilger@...ger.ca>, Jan Kara <jack@...e.cz>,
	Al Viro <viro@...iv.linux.org.uk>,
	Christoph Hellwig <hch@...radead.org>,
	Дмитрий Монахов 
	<dmonakhov@...nvz.org>
Subject: Re: [v9 4/5] ext4: adds FS_IOC_FSSETXATTR/FS_IOC_FSGETXATTR interface support

On Wed, Mar 11, 2015 at 6:03 AM, Li Xi <pkuelelixi@...il.com> wrote:
> This patch adds FS_IOC_FSSETXATTR/FS_IOC_FSGETXATTR ioctl interface
> support for ext4. The interface is kept consistent with
> XFS_IOC_FSGETXATTR/XFS_IOC_FSGETXATTR.
>
> Signed-off-by: Li Xi <lixi@....com>
> ---


> @@ -503,8 +490,8 @@ typedef struct xfs_swapext
>  #define XFS_IOC_ALLOCSP                _IOW ('X', 10, struct xfs_flock64)
>  #define XFS_IOC_FREESP         _IOW ('X', 11, struct xfs_flock64)
>  #define XFS_IOC_DIOINFO                _IOR ('X', 30, struct dioattr)
> -#define XFS_IOC_FSGETXATTR     _IOR ('X', 31, struct fsxattr)
> -#define XFS_IOC_FSSETXATTR     _IOW ('X', 32, struct fsxattr)
> +#define XFS_IOC_FSGETXATTR     FS_IOC_FSGETXATTR
> +#define XFS_IOC_FSSETXATTR     FS_IOC_FSSETXATTR

XFS ioctls use letter 'X'.

>
> @@ -163,6 +193,8 @@ struct inodes_stat_t {
>  #define        FS_IOC_GETVERSION               _IOR('v', 1, long)
>  #define        FS_IOC_SETVERSION               _IOW('v', 2, long)
>  #define FS_IOC_FIEMAP                  _IOWR('f', 11, struct fiemap)
> +#define FS_IOC_FSGETXATTR              _IOR('f', 31, struct fsxattr)
> +#define FS_IOC_FSSETXATTR              _IOW('f', 32, struct fsxattr)

You add 'f'. They're different.

>  #define FS_IOC32_GETFLAGS              _IOR('f', 1, int)
>  #define FS_IOC32_SETFLAGS              _IOW('f', 2, int)
>  #define FS_IOC32_GETVERSION            _IOR('v', 1, int)
> --
> 1.7.1
>
> --
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