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xfs: Move extent count limits to xfs_format.h

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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: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Chandan Babu R <chandan.babu@oracle.com>
This commit is contained in:
Chandan Babu R 2020-10-07 15:00:03 +05:30
parent ce522ba9ef
commit 3b0d9fd369
2 changed files with 7 additions and 7 deletions
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7
fs/xfs/libxfs/xfs_format.h
View File

@ -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.
*/

7
fs/xfs/libxfs/xfs_types.h
View File

@ -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.