Commit f766619d authored by Aneesh Kumar K.V's avatar Aneesh Kumar K.V Committed by Eric Van Hensbergen
Browse files

fs/9p: iattr_valid flags are kernel internal flags map them to 9p values. 



Kernel internal values can change, add protocol values for these constant
and use them.

Signed-off-by: default avatarAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: default avatarEric Van Hensbergen <ericvh@gmail.com>
parent b6054793

fs/9p/vfs_inode_dotl.c

+41 −1
Original line number Diff line number Diff line
@@ -522,6 +522,46 @@ v9fs_vfs_getattr_dotl(struct vfsmount *mnt, struct dentry *dentry, 
	return 0;

}



/*

 * Attribute flags.

 */

#define P9_ATTR_MODE		(1 << 0)

#define P9_ATTR_UID		(1 << 1)

#define P9_ATTR_GID		(1 << 2)

#define P9_ATTR_SIZE		(1 << 3)

#define P9_ATTR_ATIME		(1 << 4)

#define P9_ATTR_MTIME		(1 << 5)

#define P9_ATTR_CTIME		(1 << 6)

#define P9_ATTR_ATIME_SET	(1 << 7)

#define P9_ATTR_MTIME_SET	(1 << 8)



struct dotl_iattr_map {

	int iattr_valid;

	int p9_iattr_valid;

};



static int v9fs_mapped_iattr_valid(int iattr_valid)

{

	int i;

	int p9_iattr_valid = 0;

	struct dotl_iattr_map dotl_iattr_map[] = {

		{ ATTR_MODE,		P9_ATTR_MODE },

		{ ATTR_UID,		P9_ATTR_UID },

		{ ATTR_GID,		P9_ATTR_GID },

		{ ATTR_SIZE,		P9_ATTR_SIZE },

		{ ATTR_ATIME,		P9_ATTR_ATIME },

		{ ATTR_MTIME,		P9_ATTR_MTIME },

		{ ATTR_CTIME,		P9_ATTR_CTIME },

		{ ATTR_ATIME_SET,	P9_ATTR_ATIME_SET },

		{ ATTR_MTIME_SET,	P9_ATTR_MTIME_SET },

	};

	for (i = 0; i < ARRAY_SIZE(dotl_iattr_map); i++) {

		if (iattr_valid & dotl_iattr_map[i].iattr_valid)

			p9_iattr_valid |= dotl_iattr_map[i].p9_iattr_valid;

	}

	return p9_iattr_valid;

}



/**

 * v9fs_vfs_setattr_dotl - set file metadata

 * @dentry: file whose metadata to set
@@ -542,7 +582,7 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr) 
	if (retval)

		return retval;



	p9attr.valid = iattr->ia_valid;

	p9attr.valid = v9fs_mapped_iattr_valid(iattr->ia_valid);

	p9attr.mode = iattr->ia_mode;

	p9attr.uid = iattr->ia_uid;

	p9attr.gid = iattr->ia_gid;