1370 static int gfs2_journaled_truncate(struct inode *inode, u64 oldsize, u64 newsize)  in gfs2_journaled_truncate()  argument
1377 	while (oldsize != newsize) {  in gfs2_journaled_truncate()
1381 		chunk = oldsize - newsize;  in gfs2_journaled_truncate()
1405 static int trunc_start(struct inode *inode, u64 newsize)  in trunc_start()  argument
1428 		gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode) + newsize);  in trunc_start()
1431 		unsigned int offs = newsize & (blocksize - 1);  in trunc_start()
1433 			error = gfs2_block_zero_range(inode, newsize,  in trunc_start()
1441 	i_size_write(inode, newsize);  in trunc_start()
1446 		error = gfs2_journaled_truncate(inode, oldsize, newsize);  in trunc_start()
1448 		truncate_pagecache(inode, newsize);  in trunc_start()
2059 static int do_shrink(struct inode *inode, u64 newsize)  in do_shrink()  argument
2064 	error = trunc_start(inode, newsize);  in do_shrink()
2070 	error = punch_hole(ip, newsize, 0);  in do_shrink()
2172 int gfs2_setattr_size(struct inode *inode, u64 newsize)  in gfs2_setattr_size()  argument
2179 	ret = inode_newsize_ok(inode, newsize);  in gfs2_setattr_size()
2189 	if (newsize >= inode->i_size) {  in gfs2_setattr_size()
2190 		ret = do_grow(inode, newsize);  in gfs2_setattr_size()
2194 	ret = do_shrink(inode, newsize);  in gfs2_setattr_size()