-static void ufs_clear_frag(struct inode *inode, struct buffer_head *bh)
-{
- lock_buffer(bh);
- memset(bh->b_data, 0, inode->i_sb->s_blocksize);
- set_buffer_uptodate(bh);
- mark_buffer_dirty(bh);
- unlock_buffer(bh);
- if (IS_SYNC(inode))
- sync_dirty_buffer(bh);
-}
-
-static struct buffer_head *
-ufs_clear_frags(struct inode *inode, sector_t beg,
- unsigned int n, sector_t want)
-{
- struct buffer_head *res = NULL, *bh;
- sector_t end = beg + n;
-
- for (; beg < end; ++beg) {
- bh = sb_getblk(inode->i_sb, beg);
- ufs_clear_frag(inode, bh);
- if (want != beg)
- brelse(bh);
- else
- res = bh;
- }
- BUG_ON(!res);
- return res;
-}
-