jfs_issue_discard   10 fs/jfs/jfs_discard.h extern void jfs_issue_discard(struct inode *ip, u64 blkno, u64 nblocks);
jfs_issue_discard  345 fs/jfs/jfs_dmap.c 			jfs_issue_discard(ipbmap, blkno, nblocks);
jfs_issue_discard 1677 fs/jfs/jfs_dmap.c 			jfs_issue_discard(ip, tt->blkno, tt->nblocks);