[XFS] Now that xfs_setattr is only used for attributes set from ->setattr

it can be switched to take struct iattr directly and thus simplify the
implementation greatly. Also rename the ATTR_ flags to XFS_ATTR_ to not
conflict with the ATTR_ flags used by the VFS.

SGI-PV: 984565

SGI-Modid: xfs-linux-melb:xfs-kern:31678a
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Tim Shimmin <tes@sgi.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>

fs/xfs/linux-2.6/xfs_ioctl.c

@@ -688,9 +688,9 @@ xfs_ioc_space(
 		return -XFS_ERROR(EFAULT);
 
 	if (filp->f_flags & (O_NDELAY|O_NONBLOCK))
-		attr_flags |= ATTR_NONBLOCK;
+		attr_flags |= XFS_ATTR_NONBLOCK;
 	if (ioflags & IO_INVIS)
-		attr_flags |= ATTR_DMI;
+		attr_flags |= XFS_ATTR_DMI;
 
 	error = xfs_change_file_space(ip, cmd, &bf, filp->f_pos,
 					      NULL, attr_flags);

fs/xfs/linux-2.6/xfs_iops.c

@@ -648,54 +648,20 @@ xfs_vn_getattr(
 STATIC int
 xfs_vn_setattr(
 	struct dentry	*dentry,
-	struct iattr	*attr)
+	struct iattr	*iattr)
 {
 	struct inode	*inode = dentry->d_inode;
-	unsigned int	ia_valid = attr->ia_valid;
-	bhv_vattr_t	vattr = { 0 };
-	int		flags = 0;
 	int		error;
 
-	if (ia_valid & ATTR_UID) {
-		vattr.va_mask |= XFS_AT_UID;
-		vattr.va_uid = attr->ia_uid;
-	}
-	if (ia_valid & ATTR_GID) {
-		vattr.va_mask |= XFS_AT_GID;
-		vattr.va_gid = attr->ia_gid;
-	}
-	if (ia_valid & ATTR_SIZE) {
-		vattr.va_mask |= XFS_AT_SIZE;
-		vattr.va_size = attr->ia_size;
-	}
-	if (ia_valid & ATTR_ATIME) {
-		vattr.va_mask |= XFS_AT_ATIME;
-		vattr.va_atime = attr->ia_atime;
-		inode->i_atime = attr->ia_atime;
-	}
-	if (ia_valid & ATTR_MTIME) {
-		vattr.va_mask |= XFS_AT_MTIME;
-		vattr.va_mtime = attr->ia_mtime;
-	}
-	if (ia_valid & ATTR_CTIME) {
-		vattr.va_mask |= XFS_AT_CTIME;
-		vattr.va_ctime = attr->ia_ctime;
-	}
-	if (ia_valid & ATTR_MODE) {
-		vattr.va_mask |= XFS_AT_MODE;
-		vattr.va_mode = attr->ia_mode;
+	if (iattr->ia_valid & ATTR_ATIME)
+		inode->i_atime = iattr->ia_atime;
+
+	if (iattr->ia_valid & ATTR_MODE) {
 		if (!in_group_p(inode->i_gid) && !capable(CAP_FSETID))
 			inode->i_mode &= ~S_ISGID;
 	}
 
-	if (ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET))
-		flags |= ATTR_UTIME;
-#ifdef ATTR_NO_BLOCK
-	if ((ia_valid & ATTR_NO_BLOCK))
-		flags |= ATTR_NONBLOCK;
-#endif
-
-	error = xfs_setattr(XFS_I(inode), &vattr, flags, NULL);
+	error = xfs_setattr(XFS_I(inode), iattr, 0, NULL);
 	if (likely(!error))
 		vn_revalidate(vn_from_inode(inode));
 	return -error;
@@ -739,18 +705,18 @@ xfs_vn_fallocate(
 
 	xfs_ilock(ip, XFS_IOLOCK_EXCL);
 	error = xfs_change_file_space(ip, XFS_IOC_RESVSP, &bf,
-						0, NULL, ATTR_NOLOCK);
+				      0, NULL, XFS_ATTR_NOLOCK);
 	if (!error && !(mode & FALLOC_FL_KEEP_SIZE) &&
 	    offset + len > i_size_read(inode))
 		new_size = offset + len;
 
 	/* Change file size if needed */
 	if (new_size) {
-		bhv_vattr_t	va;
+		struct iattr iattr;
 
-		va.va_mask = XFS_AT_SIZE;
-		va.va_size = new_size;
-		error = xfs_setattr(ip, &va, ATTR_NOLOCK, NULL);
+		iattr.ia_valid = ATTR_SIZE;
+		iattr.ia_size = new_size;
+		error = xfs_setattr(ip, &iattr, XFS_ATTR_NOLOCK, NULL);
 	}
 
 	xfs_iunlock(ip, XFS_IOLOCK_EXCL);

fs/xfs/linux-2.6/xfs_vnode.h

@@ -19,7 +19,6 @@
 #define __XFS_VNODE_H__
 
 struct file;
-struct bhv_vattr;
 struct xfs_iomap;
 struct attrlist_cursor_kern;
 
@@ -66,69 +65,6 @@ static inline struct inode *vn_to_inode(bhv_vnode_t *vnode)
 					   Prevent VM access to the pages until
 					   the operation completes. */
 
-/*
- * Vnode attributes.  va_mask indicates those attributes the caller
- * wants to set or extract.
- */
-typedef struct bhv_vattr {
-	int		va_mask;	/* bit-mask of attributes present */
-	mode_t		va_mode;	/* file access mode and type */
-	xfs_nlink_t	va_nlink;	/* number of references to file */
-	uid_t		va_uid;		/* owner user id */
-	gid_t		va_gid;		/* owner group id */
-	xfs_ino_t	va_nodeid;	/* file id */
-	xfs_off_t	va_size;	/* file size in bytes */
-	u_long		va_blocksize;	/* blocksize preferred for i/o */
-	struct timespec	va_atime;	/* time of last access */
-	struct timespec	va_mtime;	/* time of last modification */
-	struct timespec	va_ctime;	/* time file changed */
-	u_int		va_gen;		/* generation number of file */
-	xfs_dev_t	va_rdev;	/* device the special file represents */
-	__int64_t	va_nblocks;	/* number of blocks allocated */
-	u_long		va_xflags;	/* random extended file flags */
-	u_long		va_extsize;	/* file extent size */
-	u_long		va_nextents;	/* number of extents in file */
-	u_long		va_anextents;	/* number of attr extents in file */
-	prid_t		va_projid;	/* project id */
-} bhv_vattr_t;
-
-/*
- * setattr or getattr attributes
- */
-#define XFS_AT_TYPE		0x00000001
-#define XFS_AT_MODE		0x00000002
-#define XFS_AT_UID		0x00000004
-#define XFS_AT_GID		0x00000008
-#define XFS_AT_FSID		0x00000010
-#define XFS_AT_NODEID		0x00000020
-#define XFS_AT_NLINK		0x00000040
-#define XFS_AT_SIZE		0x00000080
-#define XFS_AT_ATIME		0x00000100
-#define XFS_AT_MTIME		0x00000200
-#define XFS_AT_CTIME		0x00000400
-#define XFS_AT_RDEV		0x00000800
-#define XFS_AT_BLKSIZE		0x00001000
-#define XFS_AT_NBLOCKS		0x00002000
-#define XFS_AT_VCODE		0x00004000
-#define XFS_AT_MAC		0x00008000
-#define XFS_AT_UPDATIME		0x00010000
-#define XFS_AT_UPDMTIME		0x00020000
-#define XFS_AT_UPDCTIME		0x00040000
-#define XFS_AT_ACL		0x00080000
-#define XFS_AT_CAP		0x00100000
-#define XFS_AT_INF		0x00200000
-#define XFS_AT_NEXTENTS		0x01000000
-#define XFS_AT_ANEXTENTS	0x02000000
-#define XFS_AT_SIZE_NOPERM	0x08000000
-#define XFS_AT_GENCOUNT		0x10000000
-
-#define XFS_AT_TIMES	(XFS_AT_ATIME|XFS_AT_MTIME|XFS_AT_CTIME)
-
-#define XFS_AT_UPDTIMES	(XFS_AT_UPDATIME|XFS_AT_UPDMTIME|XFS_AT_UPDCTIME)
-
-#define XFS_AT_NOSET	(XFS_AT_NLINK|XFS_AT_RDEV|XFS_AT_FSID|XFS_AT_NODEID|\
-		XFS_AT_TYPE|XFS_AT_BLKSIZE|XFS_AT_NBLOCKS|XFS_AT_VCODE|\
-		XFS_AT_NEXTENTS|XFS_AT_ANEXTENTS|XFS_AT_GENCOUNT)
 
 extern void	vn_init(void);
 extern int	vn_revalidate(bhv_vnode_t *);
@@ -204,15 +140,6 @@ static inline void vn_atime_to_time_t(bhv_vnode_t *vp, time_t *tt)
 #define VN_DIRTY(vp)	mapping_tagged(vn_to_inode(vp)->i_mapping, \
 					PAGECACHE_TAG_DIRTY)
 
-/*
- * Flags to vop_setattr/getattr.
- */
-#define	ATTR_UTIME	0x01	/* non-default utime(2) request */
-#define	ATTR_DMI	0x08	/* invocation from a DMI function */
-#define	ATTR_LAZY	0x80	/* set/get attributes lazily */
-#define	ATTR_NONBLOCK	0x100	/* return EAGAIN if operation would block */
-#define ATTR_NOLOCK	0x200	/* Don't grab any conflicting locks */
-#define ATTR_NOSIZETOK	0x400	/* Don't get the SIZE token */
 
 /*
  * Tracking vnode activity.

fs/xfs/xfs_acl.c

@@ -719,7 +719,7 @@ xfs_acl_setmode(
 	xfs_acl_t	*acl,
 	int		*basicperms)
 {
-	bhv_vattr_t	va;
+	struct iattr	iattr;
 	xfs_acl_entry_t	*ap;
 	xfs_acl_entry_t	*gap = NULL;
 	int		i, nomask = 1;
@@ -733,25 +733,25 @@ xfs_acl_setmode(
 	 * Copy the u::, g::, o::, and m:: bits from the ACL into the
 	 * mode.  The m:: bits take precedence over the g:: bits.
 	 */
-	va.va_mask = XFS_AT_MODE;
-	va.va_mode = xfs_vtoi(vp)->i_d.di_mode;
-	va.va_mode &= ~(S_IRWXU|S_IRWXG|S_IRWXO);
+	iattr.ia_valid = ATTR_MODE;
+	iattr.ia_mode = xfs_vtoi(vp)->i_d.di_mode;
+	iattr.ia_mode &= ~(S_IRWXU|S_IRWXG|S_IRWXO);
 	ap = acl->acl_entry;
 	for (i = 0; i < acl->acl_cnt; ++i) {
 		switch (ap->ae_tag) {
 		case ACL_USER_OBJ:
-			va.va_mode |= ap->ae_perm << 6;
+			iattr.ia_mode |= ap->ae_perm << 6;
 			break;
 		case ACL_GROUP_OBJ:
 			gap = ap;
 			break;
 		case ACL_MASK:	/* more than just standard modes */
 			nomask = 0;
-			va.va_mode |= ap->ae_perm << 3;
+			iattr.ia_mode |= ap->ae_perm << 3;
 			*basicperms = 0;
 			break;
 		case ACL_OTHER:
-			va.va_mode |= ap->ae_perm;
+			iattr.ia_mode |= ap->ae_perm;
 			break;
 		default:	/* more than just standard modes */
 			*basicperms = 0;
@@ -762,9 +762,9 @@ xfs_acl_setmode(
 
 	/* Set the group bits from ACL_GROUP_OBJ if there's no ACL_MASK */
 	if (gap && nomask)
-		va.va_mode |= gap->ae_perm << 3;
+		iattr.ia_mode |= gap->ae_perm << 3;
 
-	return xfs_setattr(xfs_vtoi(vp), &va, 0, sys_cred);
+	return xfs_setattr(xfs_vtoi(vp), &iattr, 0, sys_cred);
 }
 
 /*

fs/xfs/xfs_dmapi.h

@@ -166,6 +166,6 @@ typedef enum {
 
 #define FILP_DELAY_FLAG(filp) ((filp->f_flags&(O_NDELAY|O_NONBLOCK)) ? \
 			DM_FLAGS_NDELAY : 0)
-#define AT_DELAY_FLAG(f) ((f&ATTR_NONBLOCK) ? DM_FLAGS_NDELAY : 0)
+#define AT_DELAY_FLAG(f) ((f & XFS_ATTR_NONBLOCK) ? DM_FLAGS_NDELAY : 0)
 
 #endif  /* __XFS_DMAPI_H__ */

fs/xfs/xfs_vnodeops.h

@@ -2,9 +2,9 @@
 #define _XFS_VNODEOPS_H 1
 
 struct attrlist_cursor_kern;
-struct bhv_vattr;
 struct cred;
 struct file;
+struct iattr;
 struct inode;
 struct iovec;
 struct kiocb;
@@ -15,8 +15,12 @@ struct xfs_iomap;
 
 
 int xfs_open(struct xfs_inode *ip);
-int xfs_setattr(struct xfs_inode *ip, struct bhv_vattr *vap, int flags,
+int xfs_setattr(struct xfs_inode *ip, struct iattr *vap, int flags,
 		struct cred *credp);
+#define	XFS_ATTR_DMI		0x01	/* invocation from a DMI function */
+#define	XFS_ATTR_NONBLOCK	0x02	/* return EAGAIN if operation would block */
+#define XFS_ATTR_NOLOCK		0x04	/* Don't grab any conflicting locks */
+
 int xfs_readlink(struct xfs_inode *ip, char *link);
 int xfs_fsync(struct xfs_inode *ip);
 int xfs_release(struct xfs_inode *ip);