1375 static int gfs2_journaled_truncate(struct inode *inode, u64 oldsize, u64 newsize)  in gfs2_journaled_truncate()  argument
1382 	while (oldsize != newsize) {  in gfs2_journaled_truncate()
1386 		chunk = oldsize - newsize;  in gfs2_journaled_truncate()
1410 static int trunc_start(struct inode *inode, u64 newsize)  in trunc_start()  argument
1421 		unsigned int offs = newsize & (blocksize - 1);  in trunc_start()
1423 			error = gfs2_block_zero_range(inode, newsize,  in trunc_start()
1443 		gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode) + newsize);  in trunc_start()
1447 	i_size_write(inode, newsize);  in trunc_start()
1452 		error = gfs2_journaled_truncate(inode, oldsize, newsize);  in trunc_start()
1454 		truncate_pagecache(inode, newsize);  in trunc_start()
2065 static int do_shrink(struct inode *inode, u64 newsize)  in do_shrink()  argument
2070 	error = trunc_start(inode, newsize);  in do_shrink()
2076 	error = punch_hole(ip, newsize, 0);  in do_shrink()
2178 int gfs2_setattr_size(struct inode *inode, u64 newsize)  in gfs2_setattr_size()  argument
2185 	ret = inode_newsize_ok(inode, newsize);  in gfs2_setattr_size()
2195 	if (newsize >= inode->i_size) {  in gfs2_setattr_size()
2196 		ret = do_grow(inode, newsize);  in gfs2_setattr_size()
2200 	ret = do_shrink(inode, newsize);  in gfs2_setattr_size()