Commit 2b6cb576 authored by Joel Becker's avatar Joel Becker Committed by Tao Ma
Browse files

ocfs2: Set suballoc_loc on allocated metadata. 



Get the suballoc_loc from ocfs2_claim_new_inode() or
ocfs2_claim_metadata().  Store it on the appropriate field of the block
we just allocated.

Signed-off-by: default avatarJoel Becker <joel.becker@oracle.com>
parent ba206635

fs/ocfs2/alloc.c

+3 −1
Original line number Diff line number Diff line
@@ -1006,7 +1006,7 @@ static int ocfs2_create_new_meta_bhs(handle_t *handle, 
	int count, status, i;

	u16 suballoc_bit_start;

	u32 num_got;

	u64 first_blkno;

	u64 suballoc_loc, first_blkno;

	struct ocfs2_super *osb =

		OCFS2_SB(ocfs2_metadata_cache_get_super(et->et_ci));

	struct ocfs2_extent_block *eb;
@@ -1018,6 +1018,7 @@ static int ocfs2_create_new_meta_bhs(handle_t *handle, 
		status = ocfs2_claim_metadata(handle,

					      meta_ac,

					      wanted - count,

					      &suballoc_loc,

					      &suballoc_bit_start,

					      &num_got,

					      &first_blkno);
@@ -1051,6 +1052,7 @@ static int ocfs2_create_new_meta_bhs(handle_t *handle, 
			eb->h_fs_generation = cpu_to_le32(osb->fs_generation);

			eb->h_suballoc_slot =

				cpu_to_le16(meta_ac->ac_alloc_slot);

			eb->h_suballoc_loc = cpu_to_le64(suballoc_loc);

			eb->h_suballoc_bit = cpu_to_le16(suballoc_bit_start);

			eb->h_list.l_count =

				cpu_to_le16(ocfs2_extent_recs_per_eb(osb->sb));

fs/ocfs2/dir.c

+4 −3
Original line number Diff line number Diff line
@@ -2395,15 +2395,15 @@ static int ocfs2_dx_dir_attach_index(struct ocfs2_super *osb, 
	int ret;

	struct ocfs2_dinode *di = (struct ocfs2_dinode *) di_bh->b_data;

	u16 dr_suballoc_bit;

	u64 dr_blkno;

	u64 suballoc_loc, dr_blkno;

	unsigned int num_bits;

	struct buffer_head *dx_root_bh = NULL;

	struct ocfs2_dx_root_block *dx_root;

	struct ocfs2_dir_block_trailer *trailer =

		ocfs2_trailer_from_bh(dirdata_bh, dir->i_sb);



	ret = ocfs2_claim_metadata(handle, meta_ac, 1, &dr_suballoc_bit,

				   &num_bits, &dr_blkno);

	ret = ocfs2_claim_metadata(handle, meta_ac, 1, &suballoc_loc,

				   &dr_suballoc_bit, &num_bits, &dr_blkno);

	if (ret) {

		mlog_errno(ret);

		goto out;
@@ -2431,6 +2431,7 @@ static int ocfs2_dx_dir_attach_index(struct ocfs2_super *osb, 
	memset(dx_root, 0, osb->sb->s_blocksize);

	strcpy(dx_root->dr_signature, OCFS2_DX_ROOT_SIGNATURE);

	dx_root->dr_suballoc_slot = cpu_to_le16(meta_ac->ac_alloc_slot);

	dx_root->dr_suballoc_loc = cpu_to_le64(suballoc_loc);

	dx_root->dr_suballoc_bit = cpu_to_le16(dr_suballoc_bit);

	dx_root->dr_fs_generation = cpu_to_le32(osb->fs_generation);

	dx_root->dr_blkno = cpu_to_le64(dr_blkno);

fs/ocfs2/namei.c

+4 −2
Original line number Diff line number Diff line
@@ -472,14 +472,15 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb, 
	int status = 0;

	struct ocfs2_dinode *fe = NULL;

	struct ocfs2_extent_list *fel;

	u64 fe_blkno = 0;

	u64 suballoc_loc, fe_blkno = 0;

	u16 suballoc_bit;

	u16 feat;



	*new_fe_bh = NULL;



	status = ocfs2_claim_new_inode(handle, dir, parent_fe_bh,

				       inode_ac, &suballoc_bit, &fe_blkno);

				       inode_ac, &suballoc_loc,

				       &suballoc_bit, &fe_blkno);

	if (status < 0) {

		mlog_errno(status);

		goto leave;
@@ -516,6 +517,7 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb, 
	fe->i_generation = cpu_to_le32(inode->i_generation);

	fe->i_fs_generation = cpu_to_le32(osb->fs_generation);

	fe->i_blkno = cpu_to_le64(fe_blkno);

	fe->i_suballoc_loc = cpu_to_le64(suballoc_loc);

	fe->i_suballoc_bit = cpu_to_le16(suballoc_bit);

	fe->i_suballoc_slot = cpu_to_le16(inode_ac->ac_alloc_slot);

	fe->i_uid = cpu_to_le32(inode->i_uid);

fs/ocfs2/refcounttree.c

+9 −6
Original line number Diff line number Diff line
@@ -571,7 +571,7 @@ static int ocfs2_create_refcount_tree(struct inode *inode, 
	struct ocfs2_refcount_tree *new_tree = NULL, *tree = NULL;

	u16 suballoc_bit_start;

	u32 num_got;

	u64 first_blkno;

	u64 suballoc_loc, first_blkno;



	BUG_ON(oi->ip_dyn_features & OCFS2_HAS_REFCOUNT_FL);
@@ -597,7 +597,7 @@ static int ocfs2_create_refcount_tree(struct inode *inode, 
		goto out_commit;

	}



	ret = ocfs2_claim_metadata(handle, meta_ac, 1,

	ret = ocfs2_claim_metadata(handle, meta_ac, 1, &suballoc_loc,

				   &suballoc_bit_start, &num_got,

				   &first_blkno);

	if (ret) {
@@ -627,6 +627,7 @@ static int ocfs2_create_refcount_tree(struct inode *inode, 
	memset(rb, 0, inode->i_sb->s_blocksize);

	strcpy((void *)rb, OCFS2_REFCOUNT_BLOCK_SIGNATURE);

	rb->rf_suballoc_slot = cpu_to_le16(meta_ac->ac_alloc_slot);

	rb->rf_suballoc_loc = cpu_to_le64(suballoc_loc);

	rb->rf_suballoc_bit = cpu_to_le16(suballoc_bit_start);

	rb->rf_fs_generation = cpu_to_le32(osb->fs_generation);

	rb->rf_blkno = cpu_to_le64(first_blkno);
@@ -1283,7 +1284,7 @@ static int ocfs2_expand_inline_ref_root(handle_t *handle, 
	int ret;

	u16 suballoc_bit_start;

	u32 num_got;

	u64 blkno;

	u64 suballoc_loc, blkno;

	struct super_block *sb = ocfs2_metadata_cache_get_super(ci);

	struct buffer_head *new_bh = NULL;

	struct ocfs2_refcount_block *new_rb;
@@ -1297,7 +1298,7 @@ static int ocfs2_expand_inline_ref_root(handle_t *handle, 
		goto out;

	}



	ret = ocfs2_claim_metadata(handle, meta_ac, 1,

	ret = ocfs2_claim_metadata(handle, meta_ac, 1, &suballoc_loc,

				   &suballoc_bit_start, &num_got,

				   &blkno);

	if (ret) {
@@ -1329,6 +1330,7 @@ static int ocfs2_expand_inline_ref_root(handle_t *handle, 


	new_rb = (struct ocfs2_refcount_block *)new_bh->b_data;

	new_rb->rf_suballoc_slot = cpu_to_le16(meta_ac->ac_alloc_slot);

	new_rb->rf_suballoc_loc = cpu_to_le64(suballoc_loc);

	new_rb->rf_suballoc_bit = cpu_to_le16(suballoc_bit_start);

	new_rb->rf_blkno = cpu_to_le64(blkno);

	new_rb->rf_cpos = cpu_to_le32(0);
@@ -1523,7 +1525,7 @@ static int ocfs2_new_leaf_refcount_block(handle_t *handle, 
	int ret;

	u16 suballoc_bit_start;

	u32 num_got, new_cpos;

	u64 blkno;

	u64 suballoc_loc, blkno;

	struct super_block *sb = ocfs2_metadata_cache_get_super(ci);

	struct ocfs2_refcount_block *root_rb =

			(struct ocfs2_refcount_block *)ref_root_bh->b_data;
@@ -1547,7 +1549,7 @@ static int ocfs2_new_leaf_refcount_block(handle_t *handle, 
		goto out;

	}



	ret = ocfs2_claim_metadata(handle, meta_ac, 1,

	ret = ocfs2_claim_metadata(handle, meta_ac, 1, &suballoc_loc,

				   &suballoc_bit_start, &num_got,

				   &blkno);

	if (ret) {
@@ -1575,6 +1577,7 @@ static int ocfs2_new_leaf_refcount_block(handle_t *handle, 
	memset(new_rb, 0, sb->s_blocksize);

	strcpy((void *)new_rb, OCFS2_REFCOUNT_BLOCK_SIGNATURE);

	new_rb->rf_suballoc_slot = cpu_to_le16(meta_ac->ac_alloc_slot);

	new_rb->rf_suballoc_loc = cpu_to_le64(suballoc_loc);

	new_rb->rf_suballoc_bit = cpu_to_le16(suballoc_bit_start);

	new_rb->rf_fs_generation = cpu_to_le32(OCFS2_SB(sb)->fs_generation);

	new_rb->rf_blkno = cpu_to_le64(blkno);

fs/ocfs2/suballoc.c

+13 −3
Original line number Diff line number Diff line
@@ -54,7 +54,9 @@ 
#define OCFS2_MAX_TO_STEAL		1024



struct ocfs2_suballoc_result {

	u64		sr_bg_blkno;	/* The bg we allocated from */

	u64		sr_bg_blkno;	/* The bg we allocated from.  Set

					   to 0 when a block group is

					   contiguous. */

	u64		sr_blkno;	/* The first allocated block */

	unsigned int	sr_bit_offset;	/* The bit in the bg */

	unsigned int	sr_bits;	/* How many bits we claimed */
@@ -1604,6 +1606,7 @@ static void ocfs2_bg_discontig_fix_result(struct ocfs2_alloc_context *ac, 
					  struct ocfs2_suballoc_result *res)

{

	int i;

	u64 bg_blkno = res->sr_bg_blkno;  /* Save off */

	struct ocfs2_extent_rec *rec;

	struct ocfs2_dinode *di = (struct ocfs2_dinode *)ac->ac_bh->b_data;

	struct ocfs2_chain_list *cl = &di->id2.i_chain;
@@ -1614,16 +1617,19 @@ static void ocfs2_bg_discontig_fix_result(struct ocfs2_alloc_context *ac, 
	}



	res->sr_blkno = res->sr_bg_blkno + res->sr_bit_offset;

	res->sr_bg_blkno = 0;  /* Clear it for contig block groups */

	if (!ocfs2_supports_discontig_bh(OCFS2_SB(ac->ac_inode->i_sb)) ||

	    !bg->bg_list.l_next_free_rec)

		return;



	for (i = 0; i < le16_to_cpu(bg->bg_list.l_next_free_rec); i++) {

		rec = &bg->bg_list.l_recs[i];

		if (ocfs2_bg_discontig_fix_by_rec(res, rec, cl))

		if (ocfs2_bg_discontig_fix_by_rec(res, rec, cl)) {

			res->sr_bg_blkno = bg_blkno;  /* Restore */

			break;

		}

	}

}



static int ocfs2_search_one_group(struct ocfs2_alloc_context *ac,

				  handle_t *handle,
@@ -1926,6 +1932,7 @@ bail: 
int ocfs2_claim_metadata(handle_t *handle,

			 struct ocfs2_alloc_context *ac,

			 u32 bits_wanted,

			 u64 *suballoc_loc,

			 u16 *suballoc_bit_start,

			 unsigned int *num_bits,

			 u64 *blkno_start)
@@ -1948,6 +1955,7 @@ int ocfs2_claim_metadata(handle_t *handle, 
	}

	atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs);



	*suballoc_loc = res.sr_bg_blkno;

	*suballoc_bit_start = res.sr_bit_offset;

	*blkno_start = res.sr_blkno;

	ac->ac_bits_given += res.sr_bits;
@@ -1993,11 +2001,12 @@ int ocfs2_claim_new_inode(handle_t *handle, 
			  struct inode *dir,

			  struct buffer_head *parent_fe_bh,

			  struct ocfs2_alloc_context *ac,

			  u64 *suballoc_loc,

			  u16 *suballoc_bit,

			  u64 *fe_blkno)

{

	int status;

	struct ocfs2_suballoc_result res = { .sr_blkno = 0, };

	struct ocfs2_suballoc_result res;



	mlog_entry_void();
@@ -2021,6 +2030,7 @@ int ocfs2_claim_new_inode(handle_t *handle, 


	BUG_ON(res.sr_bits != 1);



	*suballoc_loc = res.sr_bg_blkno;

	*suballoc_bit = res.sr_bit_offset;

	*fe_blkno = res.sr_blkno;

	ac->ac_bits_given++;

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