Commit 1c9a5b2e authored by Dave Chinner's avatar Dave Chinner Committed by Ben Myers
Browse files

xfs: convert directory vector functions to constants 



Many of the vectorised function calls now take no parameters and
return a constant value. There is no reason for these to be vectored
functions, so convert them to constants

Binary sizes:

   text    data     bss     dec     hex filename
 794490   96802    1096  892388   d9de4 fs/xfs/xfs.o.orig
 792986   96802    1096  890884   d9804 fs/xfs/xfs.o.p1
 792350   96802    1096  890248   d9588 fs/xfs/xfs.o.p2
 789293   96802    1096  887191   d8997 fs/xfs/xfs.o.p3
 789005   96802    1096  886903   d8997 fs/xfs/xfs.o.p4
 789061   96802    1096  886959   d88af fs/xfs/xfs.o.p5
 789733   96802    1096  887631   d8b4f fs/xfs/xfs.o.p6
 791421   96802    1096  889319   d91e7 fs/xfs/xfs.o.p7
 791701   96802    1096  889599   d92ff fs/xfs/xfs.o.p8
 791205   96802    1096  889103   d91cf fs/xfs/xfs.o.p9

Signed-off-by: default avatarDave Chinner <dchinner@redhat.com>
Reviewed-by: default avatarBen Myers <bpm@sgi.com>
Signed-off-by: default avatarBen Myers <bpm@sgi.com>
parent 24dd0f54

fs/xfs/xfs_da_btree.c

+6 −8
Original line number Diff line number Diff line
@@ -333,8 +333,7 @@ xfs_da3_node_create( 


	dp->d_ops->node_hdr_to_disk(node, &ichdr);

	xfs_trans_log_buf(tp, bp,

		XFS_DA_LOGRANGE(node, &node->hdr,

				dp->d_ops->node_hdr_size()));

		XFS_DA_LOGRANGE(node, &node->hdr, dp->d_ops->node_hdr_size));



	*bpp = bp;

	return(0);
@@ -838,13 +837,12 @@ xfs_da3_node_rebalance( 
	 */

	dp->d_ops->node_hdr_to_disk(node1, &nodehdr1);

	xfs_trans_log_buf(tp, blk1->bp,

		XFS_DA_LOGRANGE(node1, &node1->hdr,

				dp->d_ops->node_hdr_size()));

		XFS_DA_LOGRANGE(node1, &node1->hdr, dp->d_ops->node_hdr_size));



	dp->d_ops->node_hdr_to_disk(node2, &nodehdr2);

	xfs_trans_log_buf(tp, blk2->bp,

		XFS_DA_LOGRANGE(node2, &node2->hdr,

				dp->d_ops->node_hdr_size() +

				dp->d_ops->node_hdr_size +

				(sizeof(btree2[0]) * nodehdr2.count)));



	/*
@@ -915,7 +913,7 @@ xfs_da3_node_add( 
	nodehdr.count += 1;

	dp->d_ops->node_hdr_to_disk(node, &nodehdr);

	xfs_trans_log_buf(state->args->trans, oldblk->bp,

		XFS_DA_LOGRANGE(node, &node->hdr, dp->d_ops->node_hdr_size()));

		XFS_DA_LOGRANGE(node, &node->hdr, dp->d_ops->node_hdr_size));



	/*

	 * Copy the last hash value from the oldblk to propagate upwards.
@@ -1350,7 +1348,7 @@ xfs_da3_node_remove( 
	nodehdr.count -= 1;

	dp->d_ops->node_hdr_to_disk(node, &nodehdr);

	xfs_trans_log_buf(state->args->trans, drop_blk->bp,

	    XFS_DA_LOGRANGE(node, &node->hdr, dp->d_ops->node_hdr_size()));

	    XFS_DA_LOGRANGE(node, &node->hdr, dp->d_ops->node_hdr_size));



	/*

	 * Copy the last hash value from the block to propagate upwards.
@@ -1423,7 +1421,7 @@ xfs_da3_node_unbalance( 
	dp->d_ops->node_hdr_to_disk(save_node, &save_hdr);

	xfs_trans_log_buf(tp, save_blk->bp,

		XFS_DA_LOGRANGE(save_node, &save_node->hdr,

				dp->d_ops->node_hdr_size()));

				dp->d_ops->node_hdr_size));



	/*

	 * Save the last hashval in the remaining block for upward propagation.

fs/xfs/xfs_da_format.c

+79 −141
Original line number Diff line number Diff line
@@ -209,31 +209,41 @@ xfs_dir3_sfe_put_ino( 
/*

 * Directory data block operations

 */

static int

__xfs_dir3_data_entsize(

	bool	ftype,

	int	n)

{

	int	size = offsetof(struct xfs_dir2_data_entry, name[0]);



	size += n;

	size += sizeof(xfs_dir2_data_off_t);

	if (ftype)

		size += sizeof(__uint8_t);

	return roundup(size, XFS_DIR2_DATA_ALIGN);

}

/*

 * For special situations, the dirent size ends up fixed because we always know

 * what the size of the entry is. That's true for the "." and "..", and

 * therefore we know that they are a fixed size and hence their offsets are

 * constant, as is the first entry.

 *

 * Hence, this calculation is written as a macro to be able to be calculated at

 * compile time and so certain offsets can be calculated directly in the

 * structure initaliser via the macro. There are two macros - one for dirents

 * with ftype and without so there are no unresolvable conditionals in the

 * calculations. We also use round_up() as XFS_DIR2_DATA_ALIGN is always a power

 * of 2 and the compiler doesn't reject it (unlike roundup()).

 */

#define XFS_DIR2_DATA_ENTSIZE(n)					\

	round_up((offsetof(struct xfs_dir2_data_entry, name[0]) + (n) +	\

		 sizeof(xfs_dir2_data_off_t)), XFS_DIR2_DATA_ALIGN)



#define XFS_DIR3_DATA_ENTSIZE(n)					\

	round_up((offsetof(struct xfs_dir2_data_entry, name[0]) + (n) +	\

		 sizeof(xfs_dir2_data_off_t) + sizeof(__uint8_t)),	\

		XFS_DIR2_DATA_ALIGN)



static int

xfs_dir2_data_entsize(

	int			n)

{

	return __xfs_dir3_data_entsize(false, n);

	return XFS_DIR2_DATA_ENTSIZE(n);

}



static int

xfs_dir3_data_entsize(

	int			n)

{

	return __xfs_dir3_data_entsize(true, n);

	return XFS_DIR3_DATA_ENTSIZE(n);

}



static __uint8_t
@@ -293,45 +303,6 @@ xfs_dir3_data_entry_tag_p( 
		xfs_dir3_data_entsize(dep->namelen) - sizeof(__be16));

}



/*

 * Offsets of . and .. in data space (always block 0)

 */

static xfs_dir2_data_aoff_t

xfs_dir2_data_dot_offset(void)

{

	return sizeof(struct xfs_dir2_data_hdr);

}



static xfs_dir2_data_aoff_t

xfs_dir2_data_dotdot_offset(void)

{

	return xfs_dir2_data_dot_offset() + xfs_dir2_data_entsize(1);

}



static xfs_dir2_data_aoff_t

xfs_dir2_data_first_offset(void)

{

	return xfs_dir2_data_dotdot_offset() + xfs_dir2_data_entsize(2);

}



static xfs_dir2_data_aoff_t

xfs_dir3_data_dot_offset(void)

{

	return sizeof(struct xfs_dir3_data_hdr);

}



static xfs_dir2_data_aoff_t

xfs_dir3_data_dotdot_offset(void)

{

	return xfs_dir3_data_dot_offset() + xfs_dir3_data_entsize(1);

}



static xfs_dir2_data_aoff_t

xfs_dir3_data_first_offset(void)

{

	return xfs_dir3_data_dotdot_offset() + xfs_dir3_data_entsize(2);

}



/*

 * location of . and .. in data space (always block 0)

 */
@@ -340,7 +311,7 @@ xfs_dir2_data_dot_entry_p( 
	struct xfs_dir2_data_hdr *hdr)

{

	return (struct xfs_dir2_data_entry *)

		((char *)hdr + xfs_dir2_data_dot_offset());

		((char *)hdr + sizeof(struct xfs_dir2_data_hdr));

}



static struct xfs_dir2_data_entry *
@@ -348,7 +319,8 @@ xfs_dir2_data_dotdot_entry_p( 
	struct xfs_dir2_data_hdr *hdr)

{

	return (struct xfs_dir2_data_entry *)

		((char *)hdr + xfs_dir2_data_dotdot_offset());

		((char *)hdr + sizeof(struct xfs_dir2_data_hdr) +

				XFS_DIR2_DATA_ENTSIZE(1));

}



static struct xfs_dir2_data_entry *
@@ -356,7 +328,9 @@ xfs_dir2_data_first_entry_p( 
	struct xfs_dir2_data_hdr *hdr)

{

	return (struct xfs_dir2_data_entry *)

		((char *)hdr + xfs_dir2_data_first_offset());

		((char *)hdr + sizeof(struct xfs_dir2_data_hdr) +

				XFS_DIR2_DATA_ENTSIZE(1) +

				XFS_DIR2_DATA_ENTSIZE(2));

}



static struct xfs_dir2_data_entry *
@@ -364,7 +338,7 @@ xfs_dir3_data_dot_entry_p( 
	struct xfs_dir2_data_hdr *hdr)

{

	return (struct xfs_dir2_data_entry *)

		((char *)hdr + xfs_dir3_data_dot_offset());

		((char *)hdr + sizeof(struct xfs_dir3_data_hdr));

}



static struct xfs_dir2_data_entry *
@@ -372,7 +346,8 @@ xfs_dir3_data_dotdot_entry_p( 
	struct xfs_dir2_data_hdr *hdr)

{

	return (struct xfs_dir2_data_entry *)

		((char *)hdr + xfs_dir3_data_dotdot_offset());

		((char *)hdr + sizeof(struct xfs_dir3_data_hdr) +

				XFS_DIR3_DATA_ENTSIZE(1));

}



static struct xfs_dir2_data_entry *
@@ -380,7 +355,9 @@ xfs_dir3_data_first_entry_p( 
	struct xfs_dir2_data_hdr *hdr)

{

	return (struct xfs_dir2_data_entry *)

		((char *)hdr + xfs_dir3_data_first_offset());

		((char *)hdr + sizeof(struct xfs_dir3_data_hdr) +

				XFS_DIR3_DATA_ENTSIZE(1) +

				XFS_DIR3_DATA_ENTSIZE(2));

}



static struct xfs_dir2_data_free *
@@ -395,60 +372,42 @@ xfs_dir3_data_bestfree_p(struct xfs_dir2_data_hdr *hdr) 
	return ((struct xfs_dir3_data_hdr *)hdr)->best_free;

}



static size_t

xfs_dir2_data_entry_offset(void)

{

	return sizeof(struct xfs_dir2_data_hdr);

}



static struct xfs_dir2_data_entry *

xfs_dir2_data_entry_p(struct xfs_dir2_data_hdr *hdr)

{

	return (struct xfs_dir2_data_entry *)

		((char *)hdr + xfs_dir2_data_entry_offset());

		((char *)hdr + sizeof(struct xfs_dir2_data_hdr));

}



static struct xfs_dir2_data_unused *

xfs_dir2_data_unused_p(struct xfs_dir2_data_hdr *hdr)

{

	return (struct xfs_dir2_data_unused *)

		((char *)hdr + xfs_dir2_data_entry_offset());

}



static size_t

xfs_dir3_data_entry_offset(void)

{

	return sizeof(struct xfs_dir3_data_hdr);

		((char *)hdr + sizeof(struct xfs_dir2_data_hdr));

}



static struct xfs_dir2_data_entry *

xfs_dir3_data_entry_p(struct xfs_dir2_data_hdr *hdr)

{

	return (struct xfs_dir2_data_entry *)

		((char *)hdr + xfs_dir3_data_entry_offset());

		((char *)hdr + sizeof(struct xfs_dir3_data_hdr));

}



static struct xfs_dir2_data_unused *

xfs_dir3_data_unused_p(struct xfs_dir2_data_hdr *hdr)

{

	return (struct xfs_dir2_data_unused *)

		((char *)hdr + xfs_dir3_data_entry_offset());

		((char *)hdr + sizeof(struct xfs_dir3_data_hdr));

}





/*

 * Directory Leaf block operations

 */

static int

xfs_dir2_leaf_hdr_size(void)

{

	return sizeof(struct xfs_dir2_leaf_hdr);

}



static int

xfs_dir2_max_leaf_ents(struct xfs_mount *mp)

{

	return (mp->m_dirblksize - xfs_dir2_leaf_hdr_size()) /

	return (mp->m_dirblksize - sizeof(struct xfs_dir2_leaf_hdr)) /

		(uint)sizeof(struct xfs_dir2_leaf_entry);

}
@@ -458,16 +417,10 @@ xfs_dir2_leaf_ents_p(struct xfs_dir2_leaf *lp) 
	return lp->__ents;

}



static int

xfs_dir3_leaf_hdr_size(void)

{

	return sizeof(struct xfs_dir3_leaf_hdr);

}



static int

xfs_dir3_max_leaf_ents(struct xfs_mount *mp)

{

	return (mp->m_dirblksize - xfs_dir3_leaf_hdr_size()) /

	return (mp->m_dirblksize - sizeof(struct xfs_dir3_leaf_hdr)) /

		(uint)sizeof(struct xfs_dir2_leaf_entry);

}
@@ -545,25 +498,13 @@ xfs_dir3_leaf_hdr_to_disk( 
/*

 * Directory/Attribute Node block operations

 */

static inline int

xfs_da2_node_hdr_size(void)

{

	return sizeof(struct xfs_da_node_hdr);

}



static struct xfs_da_node_entry *

xfs_da2_node_tree_p(struct xfs_da_intnode *dap)

{

	return dap->__btree;

}



static inline int

xfs_da3_node_hdr_size(void)

{

	return sizeof(struct xfs_da3_node_hdr);

}



static inline struct xfs_da_node_entry *

static struct xfs_da_node_entry *

xfs_da3_node_tree_p(struct xfs_da_intnode *dap)

{

	return ((struct xfs_da3_intnode *)dap)->__btree;
@@ -629,23 +570,17 @@ xfs_da3_node_hdr_to_disk( 
/*

 * Directory free space block operations

 */

static int

xfs_dir2_free_hdr_size(void)

{

	return sizeof(struct xfs_dir2_free_hdr);

}



static int

xfs_dir2_free_max_bests(struct xfs_mount *mp)

{

	return (mp->m_dirblksize - xfs_dir2_free_hdr_size()) /

	return (mp->m_dirblksize - sizeof(struct xfs_dir2_free_hdr)) /

		sizeof(xfs_dir2_data_off_t);

}



static __be16 *

xfs_dir2_free_bests_p(struct xfs_dir2_free *free)

{

	return (__be16 *)((char *)free + xfs_dir2_free_hdr_size());

	return (__be16 *)((char *)free + sizeof(struct xfs_dir2_free_hdr));

}



/*
@@ -666,23 +601,17 @@ xfs_dir2_db_to_fdindex(struct xfs_mount *mp, xfs_dir2_db_t db) 
	return db % xfs_dir2_free_max_bests(mp);

}



static int

xfs_dir3_free_hdr_size(void)

{

	return sizeof(struct xfs_dir3_free_hdr);

}



static int

xfs_dir3_free_max_bests(struct xfs_mount *mp)

{

	return (mp->m_dirblksize - xfs_dir3_free_hdr_size()) /

	return (mp->m_dirblksize - sizeof(struct xfs_dir3_free_hdr)) /

		sizeof(xfs_dir2_data_off_t);

}



static __be16 *

xfs_dir3_free_bests_p(struct xfs_dir2_free *free)

{

	return (__be16 *)((char *)free + xfs_dir3_free_hdr_size());

	return (__be16 *)((char *)free + sizeof(struct xfs_dir3_free_hdr));

}



/*
@@ -774,10 +703,13 @@ const struct xfs_dir_ops xfs_dir2_ops = { 
	.data_entry_tag_p = xfs_dir2_data_entry_tag_p,

	.data_bestfree_p = xfs_dir2_data_bestfree_p,



	.data_dot_offset = xfs_dir2_data_dot_offset,

	.data_dotdot_offset = xfs_dir2_data_dotdot_offset,

	.data_first_offset = xfs_dir2_data_first_offset,

	.data_entry_offset = xfs_dir2_data_entry_offset,

	.data_dot_offset = sizeof(struct xfs_dir2_data_hdr),

	.data_dotdot_offset = sizeof(struct xfs_dir2_data_hdr) +

				XFS_DIR2_DATA_ENTSIZE(1),

	.data_first_offset =  sizeof(struct xfs_dir2_data_hdr) +

				XFS_DIR2_DATA_ENTSIZE(1) +

				XFS_DIR2_DATA_ENTSIZE(2),

	.data_entry_offset = sizeof(struct xfs_dir2_data_hdr),



	.data_dot_entry_p = xfs_dir2_data_dot_entry_p,

	.data_dotdot_entry_p = xfs_dir2_data_dotdot_entry_p,
@@ -785,18 +717,18 @@ const struct xfs_dir_ops xfs_dir2_ops = { 
	.data_entry_p = xfs_dir2_data_entry_p,

	.data_unused_p = xfs_dir2_data_unused_p,



	.leaf_hdr_size = xfs_dir2_leaf_hdr_size,

	.leaf_hdr_size = sizeof(struct xfs_dir2_leaf_hdr),

	.leaf_hdr_to_disk = xfs_dir2_leaf_hdr_to_disk,

	.leaf_hdr_from_disk = xfs_dir2_leaf_hdr_from_disk,

	.leaf_max_ents = xfs_dir2_max_leaf_ents,

	.leaf_ents_p = xfs_dir2_leaf_ents_p,



	.node_hdr_size = xfs_da2_node_hdr_size,

	.node_hdr_size = sizeof(struct xfs_da_node_hdr),

	.node_hdr_to_disk = xfs_da2_node_hdr_to_disk,

	.node_hdr_from_disk = xfs_da2_node_hdr_from_disk,

	.node_tree_p = xfs_da2_node_tree_p,



	.free_hdr_size = xfs_dir2_free_hdr_size,

	.free_hdr_size = sizeof(struct xfs_dir2_free_hdr),

	.free_hdr_to_disk = xfs_dir2_free_hdr_to_disk,

	.free_hdr_from_disk = xfs_dir2_free_hdr_from_disk,

	.free_max_bests = xfs_dir2_free_max_bests,
@@ -821,10 +753,13 @@ const struct xfs_dir_ops xfs_dir2_ftype_ops = { 
	.data_entry_tag_p = xfs_dir3_data_entry_tag_p,

	.data_bestfree_p = xfs_dir2_data_bestfree_p,



	.data_dot_offset = xfs_dir2_data_dot_offset,

	.data_dotdot_offset = xfs_dir2_data_dotdot_offset,

	.data_first_offset = xfs_dir2_data_first_offset,

	.data_entry_offset = xfs_dir2_data_entry_offset,

	.data_dot_offset = sizeof(struct xfs_dir2_data_hdr),

	.data_dotdot_offset = sizeof(struct xfs_dir2_data_hdr) +

				XFS_DIR3_DATA_ENTSIZE(1),

	.data_first_offset =  sizeof(struct xfs_dir2_data_hdr) +

				XFS_DIR3_DATA_ENTSIZE(1) +

				XFS_DIR3_DATA_ENTSIZE(2),

	.data_entry_offset = sizeof(struct xfs_dir2_data_hdr),



	.data_dot_entry_p = xfs_dir2_data_dot_entry_p,

	.data_dotdot_entry_p = xfs_dir2_data_dotdot_entry_p,
@@ -832,18 +767,18 @@ const struct xfs_dir_ops xfs_dir2_ftype_ops = { 
	.data_entry_p = xfs_dir2_data_entry_p,

	.data_unused_p = xfs_dir2_data_unused_p,



	.leaf_hdr_size = xfs_dir2_leaf_hdr_size,

	.leaf_hdr_size = sizeof(struct xfs_dir2_leaf_hdr),

	.leaf_hdr_to_disk = xfs_dir2_leaf_hdr_to_disk,

	.leaf_hdr_from_disk = xfs_dir2_leaf_hdr_from_disk,

	.leaf_max_ents = xfs_dir2_max_leaf_ents,

	.leaf_ents_p = xfs_dir2_leaf_ents_p,



	.node_hdr_size = xfs_da2_node_hdr_size,

	.node_hdr_size = sizeof(struct xfs_da_node_hdr),

	.node_hdr_to_disk = xfs_da2_node_hdr_to_disk,

	.node_hdr_from_disk = xfs_da2_node_hdr_from_disk,

	.node_tree_p = xfs_da2_node_tree_p,



	.free_hdr_size = xfs_dir2_free_hdr_size,

	.free_hdr_size = sizeof(struct xfs_dir2_free_hdr),

	.free_hdr_to_disk = xfs_dir2_free_hdr_to_disk,

	.free_hdr_from_disk = xfs_dir2_free_hdr_from_disk,

	.free_max_bests = xfs_dir2_free_max_bests,
@@ -868,10 +803,13 @@ const struct xfs_dir_ops xfs_dir3_ops = { 
	.data_entry_tag_p = xfs_dir3_data_entry_tag_p,

	.data_bestfree_p = xfs_dir3_data_bestfree_p,



	.data_dot_offset = xfs_dir3_data_dot_offset,

	.data_dotdot_offset = xfs_dir3_data_dotdot_offset,

	.data_first_offset = xfs_dir3_data_first_offset,

	.data_entry_offset = xfs_dir3_data_entry_offset,

	.data_dot_offset = sizeof(struct xfs_dir3_data_hdr),

	.data_dotdot_offset = sizeof(struct xfs_dir3_data_hdr) +

				XFS_DIR3_DATA_ENTSIZE(1),

	.data_first_offset =  sizeof(struct xfs_dir3_data_hdr) +

				XFS_DIR3_DATA_ENTSIZE(1) +

				XFS_DIR3_DATA_ENTSIZE(2),

	.data_entry_offset = sizeof(struct xfs_dir3_data_hdr),



	.data_dot_entry_p = xfs_dir3_data_dot_entry_p,

	.data_dotdot_entry_p = xfs_dir3_data_dotdot_entry_p,
@@ -879,18 +817,18 @@ const struct xfs_dir_ops xfs_dir3_ops = { 
	.data_entry_p = xfs_dir3_data_entry_p,

	.data_unused_p = xfs_dir3_data_unused_p,



	.leaf_hdr_size = xfs_dir3_leaf_hdr_size,

	.leaf_hdr_size = sizeof(struct xfs_dir3_leaf_hdr),

	.leaf_hdr_to_disk = xfs_dir3_leaf_hdr_to_disk,

	.leaf_hdr_from_disk = xfs_dir3_leaf_hdr_from_disk,

	.leaf_max_ents = xfs_dir3_max_leaf_ents,

	.leaf_ents_p = xfs_dir3_leaf_ents_p,



	.node_hdr_size = xfs_da3_node_hdr_size,

	.node_hdr_size = sizeof(struct xfs_da3_node_hdr),

	.node_hdr_to_disk = xfs_da3_node_hdr_to_disk,

	.node_hdr_from_disk = xfs_da3_node_hdr_from_disk,

	.node_tree_p = xfs_da3_node_tree_p,



	.free_hdr_size = xfs_dir3_free_hdr_size,

	.free_hdr_size = sizeof(struct xfs_dir3_free_hdr),

	.free_hdr_to_disk = xfs_dir3_free_hdr_to_disk,

	.free_hdr_from_disk = xfs_dir3_free_hdr_from_disk,

	.free_max_bests = xfs_dir3_free_max_bests,
@@ -900,14 +838,14 @@ const struct xfs_dir_ops xfs_dir3_ops = { 
};



const struct xfs_dir_ops xfs_dir2_nondir_ops = {

	.node_hdr_size = xfs_da2_node_hdr_size,

	.node_hdr_size = sizeof(struct xfs_da_node_hdr),

	.node_hdr_to_disk = xfs_da2_node_hdr_to_disk,

	.node_hdr_from_disk = xfs_da2_node_hdr_from_disk,

	.node_tree_p = xfs_da2_node_tree_p,

};



const struct xfs_dir_ops xfs_dir3_nondir_ops = {

	.node_hdr_size = xfs_da3_node_hdr_size,

	.node_hdr_size = sizeof(struct xfs_da3_node_hdr),

	.node_hdr_to_disk = xfs_da3_node_hdr_to_disk,

	.node_hdr_from_disk = xfs_da3_node_hdr_from_disk,

	.node_tree_p = xfs_da3_node_tree_p,

fs/xfs/xfs_dir2.c

+1 −1
Original line number Diff line number Diff line
@@ -105,7 +105,7 @@ xfs_dir_mount( 
	mp->m_dirleafblk = xfs_dir2_db_to_da(mp, XFS_DIR2_LEAF_FIRSTDB(mp));

	mp->m_dirfreeblk = xfs_dir2_db_to_da(mp, XFS_DIR2_FREE_FIRSTDB(mp));



	nodehdr_size = mp->m_dir_inode_ops->node_hdr_size();

	nodehdr_size = mp->m_dir_inode_ops->node_hdr_size;

	mp->m_attr_node_ents = (mp->m_sb.sb_blocksize - nodehdr_size) /

				(uint)sizeof(xfs_da_node_entry_t);

	mp->m_dir_node_ents = (mp->m_dirblksize - nodehdr_size) /

fs/xfs/xfs_dir2.h

+7 −7
Original line number Diff line number Diff line
@@ -59,10 +59,10 @@ struct xfs_dir_ops { 
	struct xfs_dir2_data_free *

		(*data_bestfree_p)(struct xfs_dir2_data_hdr *hdr);



	xfs_dir2_data_aoff_t (*data_dot_offset)(void);

	xfs_dir2_data_aoff_t (*data_dotdot_offset)(void);

	xfs_dir2_data_aoff_t (*data_first_offset)(void);

	size_t	(*data_entry_offset)(void);

	xfs_dir2_data_aoff_t data_dot_offset;

	xfs_dir2_data_aoff_t data_dotdot_offset;

	xfs_dir2_data_aoff_t data_first_offset;

	size_t	data_entry_offset;



	struct xfs_dir2_data_entry *

		(*data_dot_entry_p)(struct xfs_dir2_data_hdr *hdr);
@@ -75,7 +75,7 @@ struct xfs_dir_ops { 
	struct xfs_dir2_data_unused *

		(*data_unused_p)(struct xfs_dir2_data_hdr *hdr);



	int	(*leaf_hdr_size)(void);

	int	leaf_hdr_size;

	void	(*leaf_hdr_to_disk)(struct xfs_dir2_leaf *to,

				    struct xfs_dir3_icleaf_hdr *from);

	void	(*leaf_hdr_from_disk)(struct xfs_dir3_icleaf_hdr *to,
@@ -84,7 +84,7 @@ struct xfs_dir_ops { 
	struct xfs_dir2_leaf_entry *

		(*leaf_ents_p)(struct xfs_dir2_leaf *lp);



	int	(*node_hdr_size)(void);

	int	node_hdr_size;

	void	(*node_hdr_to_disk)(struct xfs_da_intnode *to,

				    struct xfs_da3_icnode_hdr *from);

	void	(*node_hdr_from_disk)(struct xfs_da3_icnode_hdr *to,
@@ -92,7 +92,7 @@ struct xfs_dir_ops { 
	struct xfs_da_node_entry *

		(*node_tree_p)(struct xfs_da_intnode *dap);



	int	(*free_hdr_size)(void);

	int	free_hdr_size;

	void	(*free_hdr_to_disk)(struct xfs_dir2_free *to,

				    struct xfs_dir3_icfree_hdr *from);

	void	(*free_hdr_from_disk)(struct xfs_dir3_icfree_hdr *to,

fs/xfs/xfs_dir2_block.c

+2 −2
Original line number Diff line number Diff line
@@ -951,7 +951,7 @@ xfs_dir2_leaf_to_block( 
	while (dp->i_d.di_size > mp->m_dirblksize) {

		int hdrsz;



		hdrsz = dp->d_ops->data_entry_offset();

		hdrsz = dp->d_ops->data_entry_offset;

		bestsp = xfs_dir2_leaf_bests_p(ltp);

		if (be16_to_cpu(bestsp[be32_to_cpu(ltp->bestcount) - 1]) ==

					    mp->m_dirblksize - hdrsz) {
@@ -1185,7 +1185,7 @@ xfs_dir2_sf_to_block( 
	blp[1].hashval = cpu_to_be32(xfs_dir_hash_dotdot);

	blp[1].address = cpu_to_be32(xfs_dir2_byte_to_dataptr(mp,

				(char *)dep - (char *)hdr));

	offset = dp->d_ops->data_first_offset();

	offset = dp->d_ops->data_first_offset;

	/*

	 * Loop over existing entries, stuff them in.

	 */

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