xfs: remove xfs_btree_cur.bc_blocklog

This field isn't used by anyone, so get rid of it.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>

fs/xfs/libxfs/xfs_alloc_btree.c

@@ -482,7 +482,6 @@ xfs_allocbt_init_common(
 	cur->bc_tp = tp;
 	cur->bc_mp = mp;
 	cur->bc_btnum = btnum;
-	cur->bc_blocklog = mp->m_sb.sb_blocklog;
 	cur->bc_ag.abt.active = false;
 
 	if (btnum == XFS_BTNUM_CNT) {

fs/xfs/libxfs/xfs_bmap_btree.c

@@ -558,7 +558,6 @@ xfs_bmbt_init_cursor(
 	cur->bc_mp = mp;
 	cur->bc_nlevels = be16_to_cpu(ifp->if_broot->bb_level) + 1;
 	cur->bc_btnum = XFS_BTNUM_BMAP;
-	cur->bc_blocklog = mp->m_sb.sb_blocklog;
 	cur->bc_statoff = XFS_STATS_CALC_INDEX(xs_bmbt_2);
 
 	cur->bc_ops = &xfs_bmbt_ops;

fs/xfs/libxfs/xfs_btree.h

@@ -229,7 +229,6 @@ struct xfs_btree_cur
 #define	XFS_BTCUR_LEFTRA	1	/* left sibling has been read-ahead */
 #define	XFS_BTCUR_RIGHTRA	2	/* right sibling has been read-ahead */
 	uint8_t		bc_nlevels;	/* number of levels in the tree */
-	uint8_t		bc_blocklog;	/* log2(blocksize) of btree blocks */
 	xfs_btnum_t	bc_btnum;	/* identifies which btree type */
 	int		bc_statoff;	/* offset of btre stats array */
 

fs/xfs/libxfs/xfs_ialloc_btree.c

@@ -444,8 +444,6 @@ xfs_inobt_init_common(
 		cur->bc_ops = &xfs_finobt_ops;
 	}
 
-	cur->bc_blocklog = mp->m_sb.sb_blocklog;
-
 	if (xfs_has_crc(mp))
 		cur->bc_flags |= XFS_BTREE_CRC_BLOCKS;
 

fs/xfs/libxfs/xfs_refcount_btree.c

@@ -326,7 +326,6 @@ xfs_refcountbt_init_common(
 	cur->bc_tp = tp;
 	cur->bc_mp = mp;
 	cur->bc_btnum = XFS_BTNUM_REFC;
-	cur->bc_blocklog = mp->m_sb.sb_blocklog;
 	cur->bc_statoff = XFS_STATS_CALC_INDEX(xs_refcbt_2);
 
 	cur->bc_flags |= XFS_BTREE_CRC_BLOCKS;

fs/xfs/libxfs/xfs_rmap_btree.c

@@ -457,7 +457,6 @@ xfs_rmapbt_init_common(
 	/* Overlapping btree; 2 keys per pointer. */
 	cur->bc_btnum = XFS_BTNUM_RMAP;
 	cur->bc_flags = XFS_BTREE_CRC_BLOCKS | XFS_BTREE_OVERLAPPING;
-	cur->bc_blocklog = mp->m_sb.sb_blocklog;
 	cur->bc_statoff = XFS_STATS_CALC_INDEX(xs_rmap_2);
 	cur->bc_ops = &xfs_rmapbt_ops;