Commit ba937127 authored by Joel Becker's avatar Joel Becker Committed by Mark Fasheh
Browse files

ocfs2: Take ocfs2_xattr_bucket structures off of the stack. 



The ocfs2_xattr_bucket structure is a nice abstraction, but it is a bit
large to have on the stack.  Just like ocfs2_path, let's allocate it
with a ocfs2_xattr_bucket_new() function.

We can now store the inode on the bucket, cleaning up all the other
bucket functions.  While we're here, we catch another place or two that
wasn't using ocfs2_read_xattr_bucket().

Updates:
- No longer allocating xis.bucket, as it will never be used.

Signed-off-by: default avatarJoel Becker <joel.becker@oracle.com>
Signed-off-by: default avatarMark Fasheh <mfasheh@suse.com>
parent 4980c6da

fs/ocfs2/xattr.c

+166 −115
Original line number Diff line number Diff line
@@ -61,7 +61,14 @@ struct ocfs2_xattr_def_value_root { 
};



struct ocfs2_xattr_bucket {

	/* The inode these xattrs are associated with */

	struct inode *bu_inode;



	/* The actual buffers that make up the bucket */

	struct buffer_head *bu_bhs[OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET];



	/* How many blocks make up one bucket for this filesystem */

	int bu_blocks;

};



#define OCFS2_XATTR_ROOT_SIZE	(sizeof(struct ocfs2_xattr_def_value_root))
@@ -97,7 +104,7 @@ struct ocfs2_xattr_search { 
	 */

	struct buffer_head *xattr_bh;

	struct ocfs2_xattr_header *header;

	struct ocfs2_xattr_bucket bucket;

	struct ocfs2_xattr_bucket *bucket;

	void *base;

	void *end;

	struct ocfs2_xattr_entry *here;
@@ -157,69 +164,91 @@ static inline u16 ocfs2_xattr_max_xe_in_bucket(struct super_block *sb) 
#define bucket_block(_b, _n) ((_b)->bu_bhs[(_n)]->b_data)

#define bucket_xh(_b) ((struct ocfs2_xattr_header *)bucket_block((_b), 0))



static void ocfs2_xattr_bucket_relse(struct inode *inode,

				     struct ocfs2_xattr_bucket *bucket)

static struct ocfs2_xattr_bucket *ocfs2_xattr_bucket_new(struct inode *inode)

{

	int i, blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb);

	struct ocfs2_xattr_bucket *bucket;

	int blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb);



	for (i = 0; i < blks; i++) {

	BUG_ON(blks > OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET);



	bucket = kzalloc(sizeof(struct ocfs2_xattr_bucket), GFP_NOFS);

	if (bucket) {

		bucket->bu_inode = inode;

		bucket->bu_blocks = blks;

	}



	return bucket;

}



static void ocfs2_xattr_bucket_relse(struct ocfs2_xattr_bucket *bucket)

{

	int i;



	for (i = 0; i < bucket->bu_blocks; i++) {

		brelse(bucket->bu_bhs[i]);

		bucket->bu_bhs[i] = NULL;

	}

}



static void ocfs2_xattr_bucket_free(struct ocfs2_xattr_bucket *bucket)

{

	if (bucket) {

		ocfs2_xattr_bucket_relse(bucket);

		bucket->bu_inode = NULL;

		kfree(bucket);

	}

}



/*

 * A bucket that has never been written to disk doesn't need to be

 * read.  We just need the buffer_heads.  Don't call this for

 * buckets that are already on disk.  ocfs2_read_xattr_bucket() initializes

 * them fully.

 */

static int ocfs2_init_xattr_bucket(struct inode *inode,

				   struct ocfs2_xattr_bucket *bucket,

static int ocfs2_init_xattr_bucket(struct ocfs2_xattr_bucket *bucket,

				   u64 xb_blkno)

{

	int i, rc = 0;

	int blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb);



	for (i = 0; i < blks; i++) {

		bucket->bu_bhs[i] = sb_getblk(inode->i_sb, xb_blkno + i);

	for (i = 0; i < bucket->bu_blocks; i++) {

		bucket->bu_bhs[i] = sb_getblk(bucket->bu_inode->i_sb,

					      xb_blkno + i);

		if (!bucket->bu_bhs[i]) {

			rc = -EIO;

			mlog_errno(rc);

			break;

		}



		ocfs2_set_new_buffer_uptodate(inode, bucket->bu_bhs[i]);

		ocfs2_set_new_buffer_uptodate(bucket->bu_inode,

					      bucket->bu_bhs[i]);

	}



	if (rc)

		ocfs2_xattr_bucket_relse(inode, bucket);

		ocfs2_xattr_bucket_relse(bucket);

	return rc;

}



/* Read the xattr bucket at xb_blkno */

static int ocfs2_read_xattr_bucket(struct inode *inode,

				   struct ocfs2_xattr_bucket *bucket,

static int ocfs2_read_xattr_bucket(struct ocfs2_xattr_bucket *bucket,

				   u64 xb_blkno)

{

	int rc, blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb);

	int rc;



	rc = ocfs2_read_blocks(inode, xb_blkno, blks, bucket->bu_bhs, 0);

	rc = ocfs2_read_blocks(bucket->bu_inode, xb_blkno,

			       bucket->bu_blocks, bucket->bu_bhs, 0);

	if (rc)

		ocfs2_xattr_bucket_relse(inode, bucket);

		ocfs2_xattr_bucket_relse(bucket);

	return rc;

}



static int ocfs2_xattr_bucket_journal_access(handle_t *handle,

					     struct inode *inode,

					     struct ocfs2_xattr_bucket *bucket,

					     int type)

{

	int i, rc = 0;

	int blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb);



	for (i = 0; i < blks; i++) {

		rc = ocfs2_journal_access(handle, inode,

	for (i = 0; i < bucket->bu_blocks; i++) {

		rc = ocfs2_journal_access(handle, bucket->bu_inode,

					  bucket->bu_bhs[i], type);

		if (rc) {

			mlog_errno(rc);
@@ -231,24 +260,24 @@ static int ocfs2_xattr_bucket_journal_access(handle_t *handle, 
}



static void ocfs2_xattr_bucket_journal_dirty(handle_t *handle,

					     struct inode *inode,

					     struct ocfs2_xattr_bucket *bucket)

{

	int i, blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb);

	int i;



	for (i = 0; i < blks; i++)

	for (i = 0; i < bucket->bu_blocks; i++)

		ocfs2_journal_dirty(handle, bucket->bu_bhs[i]);

}



static void ocfs2_xattr_bucket_copy_data(struct inode *inode,

					 struct ocfs2_xattr_bucket *dest,

static void ocfs2_xattr_bucket_copy_data(struct ocfs2_xattr_bucket *dest,

					 struct ocfs2_xattr_bucket *src)

{

	int i;

	int blocksize = inode->i_sb->s_blocksize;

	int blks = ocfs2_blocks_per_xattr_bucket(inode->i_sb);

	int blocksize = src->bu_inode->i_sb->s_blocksize;



	BUG_ON(dest->bu_blocks != src->bu_blocks);

	BUG_ON(dest->bu_inode != src->bu_inode);



	for (i = 0; i < blks; i++) {

	for (i = 0; i < src->bu_blocks; i++) {

		memcpy(bucket_block(dest, i), bucket_block(src, i),

		       blocksize);

	}
@@ -869,7 +898,12 @@ static int ocfs2_xattr_block_get(struct inode *inode, 
	size_t size;

	int ret = -ENODATA, name_offset, name_len, block_off, i;



	memset(&xs->bucket, 0, sizeof(xs->bucket));

	xs->bucket = ocfs2_xattr_bucket_new(inode);

	if (!xs->bucket) {

		ret = -ENOMEM;

		mlog_errno(ret);

		goto cleanup;

	}



	ret = ocfs2_xattr_block_find(inode, name_index, name, xs);

	if (ret) {
@@ -895,11 +929,11 @@ static int ocfs2_xattr_block_get(struct inode *inode, 


		if (le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED) {

			ret = ocfs2_xattr_bucket_get_name_value(inode,

								bucket_xh(&xs->bucket),

								bucket_xh(xs->bucket),

								i,

								&block_off,

								&name_offset);

			xs->base = bucket_block(&xs->bucket, block_off);

			xs->base = bucket_block(xs->bucket, block_off);

		}

		if (ocfs2_xattr_is_local(xs->here)) {

			memcpy(buffer, (void *)xs->base +
@@ -917,8 +951,7 @@ static int ocfs2_xattr_block_get(struct inode *inode, 
	}

	ret = size;

cleanup:

	ocfs2_xattr_bucket_relse(inode, &xs->bucket);

	memset(&xs->bucket, 0, sizeof(xs->bucket));

	ocfs2_xattr_bucket_free(xs->bucket);



	brelse(xs->xattr_bh);

	xs->xattr_bh = NULL;
@@ -2047,10 +2080,20 @@ int ocfs2_xattr_set(struct inode *inode, 
	if (!ocfs2_supports_xattr(OCFS2_SB(inode->i_sb)))

		return -EOPNOTSUPP;



	/*

	 * Only xbs will be used on indexed trees.  xis doesn't need a

	 * bucket.

	 */

	xbs.bucket = ocfs2_xattr_bucket_new(inode);

	if (!xbs.bucket) {

		mlog_errno(-ENOMEM);

		return -ENOMEM;

	}



	ret = ocfs2_inode_lock(inode, &di_bh, 1);

	if (ret < 0) {

		mlog_errno(ret);

		return ret;

		goto cleanup_nolock;

	}

	xis.inode_bh = xbs.inode_bh = di_bh;

	di = (struct ocfs2_dinode *)di_bh->b_data;
@@ -2127,9 +2170,10 @@ int ocfs2_xattr_set(struct inode *inode, 
cleanup:

	up_write(&OCFS2_I(inode)->ip_xattr_sem);

	ocfs2_inode_unlock(inode, 1);

cleanup_nolock:

	brelse(di_bh);

	brelse(xbs.xattr_bh);

	ocfs2_xattr_bucket_relse(inode, &xbs.bucket);

	ocfs2_xattr_bucket_free(xbs.bucket);



	return ret;

}
@@ -2373,11 +2417,11 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, 
		lower_bh = bh;

		bh = NULL;

	}

	xs->bucket.bu_bhs[0] = lower_bh;

	xs->bucket->bu_bhs[0] = lower_bh;

	lower_bh = NULL;



	xs->header = bucket_xh(&xs->bucket);

	xs->base = bucket_block(&xs->bucket, 0);

	xs->header = bucket_xh(xs->bucket);

	xs->base = bucket_block(xs->bucket, 0);

	xs->end = xs->base + inode->i_sb->s_blocksize;



	if (found) {
@@ -2385,8 +2429,8 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, 
		 * If we have found the xattr enty, read all the blocks in

		 * this bucket.

		 */

		ret = ocfs2_read_blocks(inode, bucket_blkno(&xs->bucket) + 1,

					blk_per_bucket - 1, &xs->bucket.bu_bhs[1],

		ret = ocfs2_read_blocks(inode, bucket_blkno(xs->bucket) + 1,

					blk_per_bucket - 1, &xs->bucket->bu_bhs[1],

					0);

		if (ret) {

			mlog_errno(ret);
@@ -2395,7 +2439,7 @@ static int ocfs2_xattr_bucket_find(struct inode *inode, 


		xs->here = &xs->header->xh_entries[index];

		mlog(0, "find xattr %s in bucket %llu, entry = %u\n", name,

		     (unsigned long long)bucket_blkno(&xs->bucket), index);

		     (unsigned long long)bucket_blkno(xs->bucket), index);

	} else

		ret = -ENODATA;
@@ -2453,22 +2497,24 @@ static int ocfs2_iterate_xattr_buckets(struct inode *inode, 
				       void *para)

{

	int i, ret = 0;

	int blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);

	u32 bpc = ocfs2_xattr_buckets_per_cluster(OCFS2_SB(inode->i_sb));

	u32 num_buckets = clusters * bpc;

	struct ocfs2_xattr_bucket bucket;

	struct ocfs2_xattr_bucket *bucket;



	memset(&bucket, 0, sizeof(bucket));

	bucket = ocfs2_xattr_bucket_new(inode);

	if (!bucket) {

		mlog_errno(-ENOMEM);

		return -ENOMEM;

	}



	mlog(0, "iterating xattr buckets in %u clusters starting from %llu\n",

	     clusters, (unsigned long long)blkno);



	for (i = 0; i < num_buckets; i++, blkno += blk_per_bucket) {

		ret = ocfs2_read_blocks(inode, blkno, blk_per_bucket,

					bucket.bu_bhs, 0);

	for (i = 0; i < num_buckets; i++, blkno += bucket->bu_blocks) {

		ret = ocfs2_read_xattr_bucket(bucket, blkno);

		if (ret) {

			mlog_errno(ret);

			goto out;

			break;

		}



		/*
@@ -2476,26 +2522,24 @@ static int ocfs2_iterate_xattr_buckets(struct inode *inode, 
		 * in the 1st bucket.

		 */

		if (i == 0)

			num_buckets = le16_to_cpu(bucket_xh(&bucket)->xh_num_buckets);

			num_buckets = le16_to_cpu(bucket_xh(bucket)->xh_num_buckets);



		mlog(0, "iterating xattr bucket %llu, first hash %u\n",

		     (unsigned long long)blkno,

		     le32_to_cpu(bucket_xh(&bucket)->xh_entries[0].xe_name_hash));

		     le32_to_cpu(bucket_xh(bucket)->xh_entries[0].xe_name_hash));

		if (func) {

			ret = func(inode, &bucket, para);

			if (ret) {

			ret = func(inode, bucket, para);

			if (ret)

				mlog_errno(ret);

				break;

			}

			/* Fall through to bucket_relse() */

		}



		ocfs2_xattr_bucket_relse(inode, &bucket);

		memset(&bucket, 0, sizeof(bucket));

		ocfs2_xattr_bucket_relse(bucket);

		if (ret)

			break;

	}



out:

	ocfs2_xattr_bucket_relse(inode, &bucket);



	ocfs2_xattr_bucket_free(bucket);

	return ret;

}
@@ -2718,9 +2762,9 @@ static int ocfs2_xattr_update_xattr_search(struct inode *inode, 
	int i, blocksize = inode->i_sb->s_blocksize;

	u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);



	xs->bucket.bu_bhs[0] = new_bh;

	xs->bucket->bu_bhs[0] = new_bh;

	get_bh(new_bh);

	xs->header = bucket_xh(&xs->bucket);

	xs->header = bucket_xh(xs->bucket);



	xs->base = new_bh->b_data;

	xs->end = xs->base + inode->i_sb->s_blocksize;
@@ -2728,8 +2772,8 @@ static int ocfs2_xattr_update_xattr_search(struct inode *inode, 
	if (!xs->not_found) {

		if (OCFS2_XATTR_BUCKET_SIZE != blocksize) {

			ret = ocfs2_read_blocks(inode,

					bucket_blkno(&xs->bucket) + 1,

					blk_per_bucket - 1, &xs->bucket.bu_bhs[1],

					bucket_blkno(xs->bucket) + 1,

					blk_per_bucket - 1, &xs->bucket->bu_bhs[1],

					0);

			if (ret) {

				mlog_errno(ret);
@@ -3244,8 +3288,7 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, 
{

	int ret, i;

	int count, start, len, name_value_len = 0, xe_len, name_offset = 0;

	u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);

	struct ocfs2_xattr_bucket s_bucket, t_bucket;

	struct ocfs2_xattr_bucket *s_bucket = NULL, *t_bucket = NULL;

	struct ocfs2_xattr_header *xh;

	struct ocfs2_xattr_entry *xe;

	int blocksize = inode->i_sb->s_blocksize;
@@ -3253,16 +3296,21 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, 
	mlog(0, "move some of xattrs from bucket %llu to %llu\n",

	     (unsigned long long)blk, (unsigned long long)new_blk);



	memset(&s_bucket, 0, sizeof(struct ocfs2_xattr_bucket));

	memset(&t_bucket, 0, sizeof(struct ocfs2_xattr_bucket));

	s_bucket = ocfs2_xattr_bucket_new(inode);

	t_bucket = ocfs2_xattr_bucket_new(inode);

	if (!s_bucket || !t_bucket) {

		ret = -ENOMEM;

		mlog_errno(ret);

		goto out;

	}



	ret = ocfs2_read_xattr_bucket(inode, &s_bucket, blk);

	ret = ocfs2_read_xattr_bucket(s_bucket, blk);

	if (ret) {

		mlog_errno(ret);

		goto out;

	}



	ret = ocfs2_xattr_bucket_journal_access(handle, inode, &s_bucket,

	ret = ocfs2_xattr_bucket_journal_access(handle, s_bucket,

						OCFS2_JOURNAL_ACCESS_WRITE);

	if (ret) {

		mlog_errno(ret);
@@ -3273,13 +3321,13 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, 
	 * Even if !new_bucket_head, we're overwriting t_bucket.  Thus,

	 * there's no need to read it.

	 */

	ret = ocfs2_init_xattr_bucket(inode, &t_bucket, new_blk);

	ret = ocfs2_init_xattr_bucket(t_bucket, new_blk);

	if (ret) {

		mlog_errno(ret);

		goto out;

	}



	ret = ocfs2_xattr_bucket_journal_access(handle, inode, &t_bucket,

	ret = ocfs2_xattr_bucket_journal_access(handle, t_bucket,

						new_bucket_head ?

						OCFS2_JOURNAL_ACCESS_CREATE :

						OCFS2_JOURNAL_ACCESS_WRITE);
@@ -3288,7 +3336,7 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, 
		goto out;

	}



	xh = bucket_xh(&s_bucket);

	xh = bucket_xh(s_bucket);

	count = le16_to_cpu(xh->xh_count);

	start = ocfs2_xattr_find_divide_pos(xh);
@@ -3300,10 +3348,10 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, 
		 * The hash value is set as one larger than

		 * that of the last entry in the previous bucket.

		 */

		for (i = 0; i < blk_per_bucket; i++)

			memset(bucket_block(&t_bucket, i), 0, blocksize);

		for (i = 0; i < t_bucket->bu_blocks; i++)

			memset(bucket_block(t_bucket, i), 0, blocksize);



		xh = bucket_xh(&t_bucket);

		xh = bucket_xh(t_bucket);

		xh->xh_free_start = cpu_to_le16(blocksize);

		xh->xh_entries[0].xe_name_hash = xe->xe_name_hash;

		le32_add_cpu(&xh->xh_entries[0].xe_name_hash, 1);
@@ -3312,10 +3360,10 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode, 
	}



	/* copy the whole bucket to the new first. */

	ocfs2_xattr_bucket_copy_data(inode, &t_bucket, &s_bucket);

	ocfs2_xattr_bucket_copy_data(t_bucket, s_bucket);



	/* update the new bucket. */

	xh = bucket_xh(&t_bucket);

	xh = bucket_xh(t_bucket);



	/*

	 * Calculate the total name/value len and xh_free_start for
@@ -3379,7 +3427,7 @@ set_num_buckets: 
	else

		xh->xh_num_buckets = 0;



	ocfs2_xattr_bucket_journal_dirty(handle, inode, &t_bucket);

	ocfs2_xattr_bucket_journal_dirty(handle, t_bucket);



	/* store the first_hash of the new bucket. */

	if (first_hash)
@@ -3393,18 +3441,18 @@ set_num_buckets: 
	if (start == count)

		goto out;



	xh = bucket_xh(&s_bucket);

	xh = bucket_xh(s_bucket);

	memset(&xh->xh_entries[start], 0,

	       sizeof(struct ocfs2_xattr_entry) * (count - start));

	xh->xh_count = cpu_to_le16(start);

	xh->xh_free_start = cpu_to_le16(name_offset);

	xh->xh_name_value_len = cpu_to_le16(name_value_len);



	ocfs2_xattr_bucket_journal_dirty(handle, inode, &s_bucket);

	ocfs2_xattr_bucket_journal_dirty(handle, s_bucket);



out:

	ocfs2_xattr_bucket_relse(inode, &s_bucket);

	ocfs2_xattr_bucket_relse(inode, &t_bucket);

	ocfs2_xattr_bucket_free(s_bucket);

	ocfs2_xattr_bucket_free(t_bucket);



	return ret;

}
@@ -3422,7 +3470,7 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode, 
				 int t_is_new)

{

	int ret;

	struct ocfs2_xattr_bucket s_bucket, t_bucket;

	struct ocfs2_xattr_bucket *s_bucket = NULL, *t_bucket = NULL;



	BUG_ON(s_blkno == t_blkno);
@@ -3430,10 +3478,15 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode, 
	     (unsigned long long)s_blkno, (unsigned long long)t_blkno,

	     t_is_new);



	memset(&s_bucket, 0, sizeof(struct ocfs2_xattr_bucket));

	memset(&t_bucket, 0, sizeof(struct ocfs2_xattr_bucket));

	s_bucket = ocfs2_xattr_bucket_new(inode);

	t_bucket = ocfs2_xattr_bucket_new(inode);

	if (!s_bucket || !t_bucket) {

		ret = -ENOMEM;

		mlog_errno(ret);

		goto out;

	}

  

	ret = ocfs2_read_xattr_bucket(inode, &s_bucket, s_blkno);

	ret = ocfs2_read_xattr_bucket(s_bucket, s_blkno);

	if (ret)

		goto out;
@@ -3441,23 +3494,23 @@ static int ocfs2_cp_xattr_bucket(struct inode *inode, 
	 * Even if !t_is_new, we're overwriting t_bucket.  Thus,

	 * there's no need to read it.

	 */

	ret = ocfs2_init_xattr_bucket(inode, &t_bucket, t_blkno);

	ret = ocfs2_init_xattr_bucket(t_bucket, t_blkno);

	if (ret)

		goto out;



	ret = ocfs2_xattr_bucket_journal_access(handle, inode, &t_bucket,

	ret = ocfs2_xattr_bucket_journal_access(handle, t_bucket,

						t_is_new ?

						OCFS2_JOURNAL_ACCESS_CREATE :

						OCFS2_JOURNAL_ACCESS_WRITE);

	if (ret)

		goto out;



	ocfs2_xattr_bucket_copy_data(inode, &t_bucket, &s_bucket);

	ocfs2_xattr_bucket_journal_dirty(handle, inode, &t_bucket);

	ocfs2_xattr_bucket_copy_data(t_bucket, s_bucket);

	ocfs2_xattr_bucket_journal_dirty(handle, t_bucket);



out:

	ocfs2_xattr_bucket_relse(inode, &s_bucket);

	ocfs2_xattr_bucket_relse(inode, &t_bucket);

	ocfs2_xattr_bucket_free(t_bucket);

	ocfs2_xattr_bucket_free(s_bucket);



	return ret;

}
@@ -4009,7 +4062,7 @@ static void ocfs2_xattr_set_entry_normal(struct inode *inode, 
				xe->xe_value_size = 0;



			val = ocfs2_xattr_bucket_get_val(inode,

							 &xs->bucket, offs);

							 xs->bucket, offs);

			memset(val + OCFS2_XATTR_SIZE(name_len), 0,

			       size - OCFS2_XATTR_SIZE(name_len));

			if (OCFS2_XATTR_SIZE(xi->value_len) > 0)
@@ -4087,8 +4140,7 @@ set_new_name_value: 
		xh->xh_free_start = cpu_to_le16(offs);

	}



	val = ocfs2_xattr_bucket_get_val(inode,

					 &xs->bucket, offs - size);

	val = ocfs2_xattr_bucket_get_val(inode, xs->bucket, offs - size);

	xe->xe_name_offset = cpu_to_le16(offs - size);



	memset(val, 0, size);
@@ -4122,12 +4174,12 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode, 


	mlog(0, "Set xattr entry len = %lu index = %d in bucket %llu\n",

	     (unsigned long)xi->value_len, xi->name_index,

	     (unsigned long long)bucket_blkno(&xs->bucket));

	     (unsigned long long)bucket_blkno(xs->bucket));



	if (!xs->bucket.bu_bhs[1]) {

	if (!xs->bucket->bu_bhs[1]) {

		ret = ocfs2_read_blocks(inode,

					bucket_blkno(&xs->bucket) + 1,

					blk_per_bucket - 1, &xs->bucket.bu_bhs[1],

					bucket_blkno(xs->bucket) + 1,

					blk_per_bucket - 1, &xs->bucket->bu_bhs[1],

					0);

		if (ret) {

			mlog_errno(ret);
@@ -4143,7 +4195,7 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode, 
		goto out;

	}



	ret = ocfs2_xattr_bucket_journal_access(handle, inode, &xs->bucket,

	ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket,

						OCFS2_JOURNAL_ACCESS_WRITE);

	if (ret < 0) {

		mlog_errno(ret);
@@ -4151,7 +4203,7 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode, 
	}



	ocfs2_xattr_set_entry_normal(inode, xi, xs, name_hash, local);

	ocfs2_xattr_bucket_journal_dirty(handle, inode, &xs->bucket);

	ocfs2_xattr_bucket_journal_dirty(handle, xs->bucket);



out:

	ocfs2_commit_trans(osb, handle);
@@ -4264,10 +4316,10 @@ static int ocfs2_xattr_bucket_value_truncate_xs(struct inode *inode, 
	struct ocfs2_xattr_entry *xe = xs->here;

	struct ocfs2_xattr_header *xh = (struct ocfs2_xattr_header *)xs->base;



	BUG_ON(!xs->bucket.bu_bhs[0] || !xe || ocfs2_xattr_is_local(xe));

	BUG_ON(!xs->bucket->bu_bhs[0] || !xe || ocfs2_xattr_is_local(xe));



	offset = xe - xh->xh_entries;

	ret = ocfs2_xattr_bucket_value_truncate(inode, xs->bucket.bu_bhs[0],

	ret = ocfs2_xattr_bucket_value_truncate(inode, xs->bucket->bu_bhs[0],

						offset, len);

	if (ret)

		mlog_errno(ret);
@@ -4387,7 +4439,7 @@ static void ocfs2_xattr_bucket_remove_xs(struct inode *inode, 
					 struct ocfs2_xattr_search *xs)

{

	handle_t *handle = NULL;

	struct ocfs2_xattr_header *xh = bucket_xh(&xs->bucket);

	struct ocfs2_xattr_header *xh = bucket_xh(xs->bucket);

	struct ocfs2_xattr_entry *last = &xh->xh_entries[

						le16_to_cpu(xh->xh_count) - 1];

	int ret = 0;
@@ -4400,7 +4452,7 @@ static void ocfs2_xattr_bucket_remove_xs(struct inode *inode, 
		return;

	}



	ret = ocfs2_xattr_bucket_journal_access(handle, inode, &xs->bucket,

	ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket,

						OCFS2_JOURNAL_ACCESS_WRITE);

	if (ret) {

		mlog_errno(ret);
@@ -4413,7 +4465,7 @@ static void ocfs2_xattr_bucket_remove_xs(struct inode *inode, 
	memset(last, 0, sizeof(struct ocfs2_xattr_entry));

	le16_add_cpu(&xh->xh_count, -1);



	ocfs2_xattr_bucket_journal_dirty(handle, inode, &xs->bucket);

	ocfs2_xattr_bucket_journal_dirty(handle, xs->bucket);



out_commit:

	ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
@@ -4565,7 +4617,7 @@ try_again: 


	mlog_bug_on_msg(header_size > blocksize, "bucket %llu has header size "

			"of %u which exceed block size\n",

			(unsigned long long)bucket_blkno(&xs->bucket),

			(unsigned long long)bucket_blkno(xs->bucket),

			header_size);



	if (xi->value && xi->value_len > OCFS2_XATTR_INLINE_SIZE)
@@ -4605,7 +4657,7 @@ try_again: 
	mlog(0, "xs->not_found = %d, in xattr bucket %llu: free = %d, "

	     "need = %d, max_free = %d, xh_free_start = %u, xh_name_value_len ="

	     " %u\n", xs->not_found,

	     (unsigned long long)bucket_blkno(&xs->bucket),

	     (unsigned long long)bucket_blkno(xs->bucket),

	     free, need, max_free, le16_to_cpu(xh->xh_free_start),

	     le16_to_cpu(xh->xh_name_value_len));
@@ -4617,7 +4669,7 @@ try_again: 
			 * name/value will be moved, the xe shouldn't be changed

			 * in xs.

			 */

			ret = ocfs2_defrag_xattr_bucket(inode, &xs->bucket);

			ret = ocfs2_defrag_xattr_bucket(inode, xs->bucket);

			if (ret) {

				mlog_errno(ret);

				goto out;
@@ -4649,7 +4701,7 @@ try_again: 
		 * add a new bucket for the insert.

		 */

		ret = ocfs2_check_xattr_bucket_collision(inode,

							 &xs->bucket,

							 xs->bucket,

							 xi->name);

		if (ret) {

			mlog_errno(ret);
@@ -4658,14 +4710,13 @@ try_again: 


		ret = ocfs2_add_new_xattr_bucket(inode,

						 xs->xattr_bh,

						 xs->bucket.bu_bhs[0]);

						 xs->bucket->bu_bhs[0]);

		if (ret) {

			mlog_errno(ret);

			goto out;

		}



		ocfs2_xattr_bucket_relse(inode, &xs->bucket);

		memset(&xs->bucket, 0, sizeof(xs->bucket));

		ocfs2_xattr_bucket_relse(xs->bucket);



		ret = ocfs2_xattr_index_block_find(inode, xs->xattr_bh,

						   xi->name_index,

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