Commit 3b0d9fd3 authored by Chandan Babu R's avatar Chandan Babu R
Browse files

xfs: Move extent count limits to xfs_format.h 



Maximum values associated with extent counters i.e. Maximum extent length,
Maximum data extents and Maximum xattr extents are dictated by the on-disk
format. Hence move these definitions over to xfs_format.h.

Reviewed-by: default avatarDarrick J. Wong <djwong@kernel.org>
Reviewed-by: default avatarDave Chinner <dchinner@redhat.com>
Signed-off-by: default avatarChandan Babu R <chandan.babu@oracle.com>
parent ce522ba9

fs/xfs/libxfs/xfs_format.h

+7 −0
Original line number Diff line number Diff line
@@ -869,6 +869,13 @@ enum xfs_dinode_fmt { 
	{ XFS_DINODE_FMT_BTREE,		"btree" }, \

	{ XFS_DINODE_FMT_UUID,		"uuid" }



/*

 * Max values for extlen, extnum, aextnum.

 */

#define	MAXEXTLEN	((xfs_extlen_t)0x001fffff)	/* 21 bits */

#define	MAXEXTNUM	((xfs_extnum_t)0x7fffffff)	/* signed int */

#define	MAXAEXTNUM	((xfs_aextnum_t)0x7fff)		/* signed short */



/*

 * Inode minimum and maximum sizes.

 */

fs/xfs/libxfs/xfs_types.h

+0 −7
Original line number Diff line number Diff line
@@ -56,13 +56,6 @@ typedef void * xfs_failaddr_t; 
#define	NULLFSINO	((xfs_ino_t)-1)

#define	NULLAGINO	((xfs_agino_t)-1)



/*

 * Max values for extlen, extnum, aextnum.

 */

#define	MAXEXTLEN	((xfs_extlen_t)0x001fffff)	/* 21 bits */

#define	MAXEXTNUM	((xfs_extnum_t)0x7fffffff)	/* signed int */

#define	MAXAEXTNUM	((xfs_aextnum_t)0x7fff)		/* signed short */



/*

 * Minimum and maximum blocksize and sectorsize.

 * The blocksize upper limit is pretty much arbitrary.