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

Commit fb4f2b4e authored by Brian Foster's avatar Brian Foster Committed by Dave Chinner
Browse files

xfs: add sparse inode chunk alignment superblock field 



Add sb_spino_align to the superblock to specify sparse inode chunk
alignment. This also currently represents the minimum allowable sparse
chunk allocation size.

Signed-off-by: default avatarBrian Foster <bfoster@redhat.com>
parent bfe46d4e

fs/xfs/libxfs/xfs_format.h

+2 −2
Original line number Diff line number Diff line
@@ -170,7 +170,7 @@ typedef struct xfs_sb { 
	__uint32_t	sb_features_log_incompat;



	__uint32_t	sb_crc;		/* superblock crc */

	__uint32_t	sb_pad;

	xfs_extlen_t	sb_spino_align;	/* sparse inode chunk alignment */



	xfs_ino_t	sb_pquotino;	/* project quota inode */

	xfs_lsn_t	sb_lsn;		/* last write sequence */
@@ -256,7 +256,7 @@ typedef struct xfs_dsb { 
	__be32		sb_features_log_incompat;



	__le32		sb_crc;		/* superblock crc */

	__be32		sb_pad;

	__be32		sb_spino_align;	/* sparse inode chunk alignment */



	__be64		sb_pquotino;	/* project quota inode */

	__be64		sb_lsn;		/* last write sequence */

fs/xfs/libxfs/xfs_sb.c

+2 −2
Original line number Diff line number Diff line
@@ -374,7 +374,7 @@ __xfs_sb_from_disk( 
				be32_to_cpu(from->sb_features_log_incompat);

	/* crc is only used on disk, not in memory; just init to 0 here. */

	to->sb_crc = 0;

	to->sb_pad = 0;

	to->sb_spino_align = be32_to_cpu(from->sb_spino_align);

	to->sb_pquotino = be64_to_cpu(from->sb_pquotino);

	to->sb_lsn = be64_to_cpu(from->sb_lsn);

	/* Convert on-disk flags to in-memory flags? */
@@ -516,7 +516,7 @@ xfs_sb_to_disk( 
				cpu_to_be32(from->sb_features_incompat);

		to->sb_features_log_incompat =

				cpu_to_be32(from->sb_features_log_incompat);

		to->sb_pad = 0;

		to->sb_spino_align = cpu_to_be32(from->sb_spino_align);

		to->sb_lsn = cpu_to_be64(from->sb_lsn);

	}

}