1372 static int gfs2_journaled_truncate(struct inode *inode, u64 oldsize, u64 newsize)  in gfs2_journaled_truncate()  argument
1379 	while (oldsize != newsize) {  in gfs2_journaled_truncate()
1383 		chunk = oldsize - newsize;  in gfs2_journaled_truncate()
1407 static int trunc_start(struct inode *inode, u64 newsize)  in trunc_start()  argument
1418 		unsigned int offs = newsize & (blocksize - 1);  in trunc_start()
1420 			error = gfs2_block_zero_range(inode, newsize,  in trunc_start()
1440 		gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode) + newsize);  in trunc_start()
1444 	i_size_write(inode, newsize);  in trunc_start()
1449 		error = gfs2_journaled_truncate(inode, oldsize, newsize);  in trunc_start()
1451 		truncate_pagecache(inode, newsize);  in trunc_start()
2062 static int do_shrink(struct inode *inode, u64 newsize)  in do_shrink()  argument
2067 	error = trunc_start(inode, newsize);  in do_shrink()
2073 	error = punch_hole(ip, newsize, 0);  in do_shrink()
2175 int gfs2_setattr_size(struct inode *inode, u64 newsize)  in gfs2_setattr_size()  argument
2182 	ret = inode_newsize_ok(inode, newsize);  in gfs2_setattr_size()
2192 	if (newsize >= inode->i_size) {  in gfs2_setattr_size()
2193 		ret = do_grow(inode, newsize);  in gfs2_setattr_size()
2197 	ret = do_shrink(inode, newsize);  in gfs2_setattr_size()