Commit 666a2c53 authored by Steven Whitehouse's avatar Steven Whitehouse
Browse files

[GFS2] Remove unused code from various files

parent c73530a1
Loading
Loading
Loading
Loading
+1 −80
Original line number Diff line number Diff line
@@ -999,7 +999,7 @@ static int do_shrink(struct gfs2_inode *ip, uint64_t size,
}

/**
 * gfs2_truncatei - make a file a give size
 * gfs2_truncatei - make a file a given size
 * @ip: the inode
 * @size: the size to make the file
 * @truncator: function to truncate the last partial block
@@ -1125,82 +1125,3 @@ int gfs2_write_alloc_required(struct gfs2_inode *ip, uint64_t offset,
	return 0;
}
/**
 * do_gfm - Copy out the dinode/indirect blocks of a file
 * @ip: the file
 * @dibh: the dinode buffer
 * @bh: the indirect buffer we're looking at
 * @top: the first pointer in the block
 * @bottom: one more than the last pointer in the block
 * @height: the height the block is at
 * @data: a pointer to a struct gfs2_user_buffer structure
 *
 * If this is a journaled file, copy out the data too.
 *
 * Returns: errno
 */

static int do_gfm(struct gfs2_inode *ip, struct buffer_head *dibh,
		  struct buffer_head *bh, uint64_t *top, uint64_t *bottom,
		  unsigned int height, void *data)
{
	struct gfs2_user_buffer *ub = (struct gfs2_user_buffer *)data;
	int error;

	error = gfs2_add_bh_to_ub(ub, bh);
	if (error)
		return error;

	if (!S_ISDIR(ip->i_di.di_mode) ||
	    height + 1 != ip->i_di.di_height)
		return 0;

	for (; top < bottom; top++)
		if (*top) {
			struct buffer_head *data_bh;

			error = gfs2_meta_read(ip->i_gl, be64_to_cpu(*top),
					       DIO_START | DIO_WAIT,
					       &data_bh);
			if (error)
				return error;

			error = gfs2_add_bh_to_ub(ub, data_bh);

			brelse(data_bh);

			if (error)
				return error;
		}

	return 0;
}

/**
 * gfs2_get_file_meta - return all the metadata for a file
 * @ip: the file
 * @ub: the structure representing the meta
 *
 * Returns: errno
 */

int gfs2_get_file_meta(struct gfs2_inode *ip, struct gfs2_user_buffer *ub)
{
	int error;

	if (gfs2_is_stuffed(ip)) {
		struct buffer_head *dibh;
		error = gfs2_meta_inode_buffer(ip, &dibh);
		if (!error) {
			error = gfs2_add_bh_to_ub(ub, dibh);
			brelse(dibh);
		}
	} else {
		struct metapath mp;
		find_metapath(ip, 0, &mp);
		error = recursive_scan(ip, NULL, &mp, 0, 0, 1, do_gfm, ub);
	}

	return error;
}
+0 −2
Original line number Diff line number Diff line
@@ -34,6 +34,4 @@ void gfs2_write_calc_reserv(struct gfs2_inode *ip, unsigned int len,
int gfs2_write_alloc_required(struct gfs2_inode *ip, uint64_t offset,
			      unsigned int len, int *alloc_required);

int gfs2_get_file_meta(struct gfs2_inode *ip, struct gfs2_user_buffer *ub);

#endif /* __BMAP_DOT_H__ */
+0 −51
Original line number Diff line number Diff line
@@ -2104,54 +2104,3 @@ int gfs2_diradd_alloc_required(struct gfs2_inode *dip, struct qstr *filename,
	return error;
}
/**
 * do_gdm - copy out one leaf (or list of leaves)
 * @dip: the directory
 * @index: the hash table offset in the directory
 * @len: the number of pointers to this leaf
 * @leaf_no: the leaf number
 * @data: a pointer to a struct gfs2_user_buffer structure
 *
 * Returns: errno
 */

static int do_gdm(struct gfs2_inode *dip, uint32_t index, uint32_t len,
		  uint64_t leaf_no, void *data)
{
	struct gfs2_user_buffer *ub = (struct gfs2_user_buffer *)data;
	struct gfs2_leaf leaf;
	struct buffer_head *bh;
	uint64_t blk;
	int error = 0;

	for (blk = leaf_no; blk; blk = leaf.lf_next) {
		error = get_leaf(dip, blk, &bh);
		if (error)
			break;

		gfs2_leaf_in(&leaf, bh->b_data);

		error = gfs2_add_bh_to_ub(ub, bh);

		brelse(bh);

		if (error)
			break;
	}

	return error;
}

/**
 * gfs2_get_dir_meta - return all the leaf blocks of a directory
 * @dip: the directory
 * @ub: the structure representing the meta
 *
 * Returns: errno
 */

int gfs2_get_dir_meta(struct gfs2_inode *dip, struct gfs2_user_buffer *ub)
{
	return foreach_leaf(dip, do_gdm, ub);
}
+0 −2
Original line number Diff line number Diff line
@@ -46,6 +46,4 @@ int gfs2_dir_exhash_dealloc(struct gfs2_inode *dip);
int gfs2_diradd_alloc_required(struct gfs2_inode *dip, struct qstr *filename,
			      int *alloc_required);

int gfs2_get_dir_meta(struct gfs2_inode *ip, struct gfs2_user_buffer *ub);

#endif /* __DIR_DOT_H__ */
+0 −57
Original line number Diff line number Diff line
@@ -1561,60 +1561,3 @@ int gfs2_ea_dealloc(struct gfs2_inode *ip)
	return error;
}
/**
 * gfs2_get_eattr_meta - return all the eattr blocks of a file
 * @dip: the directory
 * @ub: the structure representing the user buffer to copy to
 *
 * Returns: errno
 */

int gfs2_get_eattr_meta(struct gfs2_inode *ip, struct gfs2_user_buffer *ub)
{
	struct buffer_head *bh;
	int error;

	error = gfs2_meta_read(ip->i_gl, ip->i_di.di_eattr,
			       DIO_START | DIO_WAIT, &bh);
	if (error)
		return error;

	gfs2_add_bh_to_ub(ub, bh);

	if (ip->i_di.di_flags & GFS2_DIF_EA_INDIRECT) {
		struct buffer_head *eabh;
		uint64_t *eablk, *end;

		if (gfs2_metatype_check(ip->i_sbd, bh, GFS2_METATYPE_IN)) {
			error = -EIO;
			goto out;
		}

		eablk = (uint64_t *)(bh->b_data +
				     sizeof(struct gfs2_meta_header));
		end = eablk + ip->i_sbd->sd_inptrs;

		for (; eablk < end; eablk++) {
			uint64_t bn;

			if (!*eablk)
				break;
			bn = be64_to_cpu(*eablk);

			error = gfs2_meta_read(ip->i_gl, bn,
					       DIO_START | DIO_WAIT, &eabh);
			if (error)
				break;
			gfs2_add_bh_to_ub(ub, eabh);
			brelse(eabh);
			if (error)
				break;
		}
	}

 out:
	brelse(bh);

	return error;
}
Loading