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Commit a3944256 authored by Tao Ma's avatar Tao Ma Committed by Mark Fasheh
Browse files

ocfs2: Delete all xattr buckets during inode removal 



In inode removal, we need to iterate all the buckets, remove any
externally-stored EA values and delete the xattr buckets.

Signed-off-by: default avatarTao Ma <tao.ma@oracle.com>
Signed-off-by: default avatarMark Fasheh <mfasheh@suse.com>
parent 01225596

fs/ocfs2/xattr.c

+80 −4
Original line number Diff line number Diff line
@@ -131,6 +131,9 @@ static int ocfs2_xattr_set_entry_index_block(struct inode *inode, 
					     struct ocfs2_xattr_info *xi,

					     struct ocfs2_xattr_search *xs);



static int ocfs2_delete_xattr_index_block(struct inode *inode,

					  struct buffer_head *xb_bh);



static inline struct xattr_handler *ocfs2_xattr_handler(int name_index)

{

	struct xattr_handler *handler = NULL;
@@ -1511,13 +1514,14 @@ static int ocfs2_xattr_block_remove(struct inode *inode, 
				    struct buffer_head *blk_bh)

{

	struct ocfs2_xattr_block *xb;

	struct ocfs2_xattr_header *header;

	int ret = 0;



	xb = (struct ocfs2_xattr_block *)blk_bh->b_data;

	header = &(xb->xb_attrs.xb_header);



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

		struct ocfs2_xattr_header *header = &(xb->xb_attrs.xb_header);

		ret = ocfs2_remove_value_outside(inode, blk_bh, header);

	} else

		ret = ocfs2_delete_xattr_index_block(inode, blk_bh);



	return ret;

}
@@ -4738,3 +4742,75 @@ out: 
	mlog_exit(ret);

	return ret;

}



static int ocfs2_delete_xattr_in_bucket(struct inode *inode,

					struct ocfs2_xattr_bucket *bucket,

					void *para)

{

	int ret = 0;

	struct ocfs2_xattr_header *xh = bucket->xh;

	u16 i;

	struct ocfs2_xattr_entry *xe;



	for (i = 0; i < le16_to_cpu(xh->xh_count); i++) {

		xe = &xh->xh_entries[i];

		if (ocfs2_xattr_is_local(xe))

			continue;



		ret = ocfs2_xattr_bucket_value_truncate(inode,

							bucket->bhs[0],

							i, 0);

		if (ret) {

			mlog_errno(ret);

			break;

		}

	}



	return ret;

}



static int ocfs2_delete_xattr_index_block(struct inode *inode,

					  struct buffer_head *xb_bh)

{

	struct ocfs2_xattr_block *xb =

			(struct ocfs2_xattr_block *)xb_bh->b_data;

	struct ocfs2_extent_list *el = &xb->xb_attrs.xb_root.xt_list;

	int ret = 0;

	u32 name_hash = UINT_MAX, e_cpos, num_clusters;

	u64 p_blkno;



	if (le16_to_cpu(el->l_next_free_rec) == 0)

		return 0;



	while (name_hash > 0) {

		ret = ocfs2_xattr_get_rec(inode, name_hash, &p_blkno,

					  &e_cpos, &num_clusters, el);

		if (ret) {

			mlog_errno(ret);

			goto out;

		}



		ret = ocfs2_iterate_xattr_buckets(inode, p_blkno, num_clusters,

						  ocfs2_delete_xattr_in_bucket,

						  NULL);

		if (ret) {

			mlog_errno(ret);

			goto out;

		}



		ret = ocfs2_rm_xattr_cluster(inode, xb_bh,

					     p_blkno, e_cpos, num_clusters);

		if (ret) {

			mlog_errno(ret);

			break;

		}



		if (e_cpos == 0)

			break;



		name_hash = e_cpos - 1;

	}



out:

	return ret;

}