Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit da1f039d authored by Darrick J. Wong's avatar Darrick J. Wong Committed by Dave Chinner
Browse files

xfs: don't log the entire end of the AGF 



When we're logging the last non-spare field in the AGF, we don't
need to log the spare fields, so plumb in a new AGF logging flag
to help us avoid that.

Signed-off-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarDave Chinner <david@fromorbit.com>
parent 738f57c1

fs/xfs/libxfs/xfs_alloc.c

+2 −0
Original line number Diff line number Diff line
@@ -2278,6 +2278,8 @@ xfs_alloc_log_agf( 
		offsetof(xfs_agf_t, agf_btreeblks),

		offsetof(xfs_agf_t, agf_uuid),

		offsetof(xfs_agf_t, agf_rmap_blocks),

		/* needed so that we don't log the whole rest of the structure: */

		offsetof(xfs_agf_t, agf_spare64),

		sizeof(xfs_agf_t)

	};

fs/xfs/libxfs/xfs_format.h

+4 −2
Original line number Diff line number Diff line
@@ -674,7 +674,8 @@ typedef struct xfs_agf { 
#define	XFS_AGF_BTREEBLKS	0x00000800

#define	XFS_AGF_UUID		0x00001000

#define	XFS_AGF_RMAP_BLOCKS	0x00002000

#define	XFS_AGF_NUM_BITS	14

#define	XFS_AGF_SPARE64		0x00004000

#define	XFS_AGF_NUM_BITS	15

#define	XFS_AGF_ALL_BITS	((1 << XFS_AGF_NUM_BITS) - 1)



#define XFS_AGF_FLAGS \
@@ -691,7 +692,8 @@ typedef struct xfs_agf { 
	{ XFS_AGF_LONGEST,	"LONGEST" }, \

	{ XFS_AGF_BTREEBLKS,	"BTREEBLKS" }, \

	{ XFS_AGF_UUID,		"UUID" }, \

	{ XFS_AGF_RMAP_BLOCKS,	"RMAP_BLOCKS" }

	{ XFS_AGF_RMAP_BLOCKS,	"RMAP_BLOCKS" }, \

	{ XFS_AGF_SPARE64,	"SPARE64" }



/* disk block (xfs_daddr_t) in the AG */

#define XFS_AGF_DADDR(mp)	((xfs_daddr_t)(1 << (mp)->m_sectbb_log))