fs/jfs: Remove dead code

Since the JFS code was first added to Linux, there has been code hidden
in ifdefs  for some potential future features such as defragmentation
and supporting block sizes other than 4KB. There has been no ongoing
development on JFS for many years, so it's past time to remove this dead
code from the source.

Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>

1 files changed, 0 insertions, 68 deletions

diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c
index e75f31b81d634..6b838d3ae7c2e 100644
--- a/fs/jfs/jfs_dmap.c
+++ b/fs/jfs/jfs_dmap.c
@@ -869,74 +869,6 @@ int dbAlloc(struct inode *ip, s64 hint, s64 nblocks, s64 * results)
 	return (rc);
 }
 
-#ifdef _NOTYET
-/*
- * NAME:	dbAllocExact()
- *
- * FUNCTION:	try to allocate the requested extent;
- *
- * PARAMETERS:
- *	ip	- pointer to in-core inode;
- *	blkno	- extent address;
- *	nblocks	- extent length;
- *
- * RETURN VALUES:
- *	0	- success
- *	-ENOSPC	- insufficient disk resources
- *	-EIO	- i/o error
- */
-int dbAllocExact(struct inode *ip, s64 blkno, int nblocks)
-{
-	int rc;
-	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;
-	struct bmap *bmp = JFS_SBI(ip->i_sb)->bmap;
-	struct dmap *dp;
-	s64 lblkno;
-	struct metapage *mp;
-
-	IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);
-
-	/*
-	 * validate extent request:
-	 *
-	 * note: defragfs policy:
-	 *  max 64 blocks will be moved.
-	 *  allocation request size must be satisfied from a single dmap.
-	 */
-	if (nblocks <= 0 || nblocks > BPERDMAP || blkno >= bmp->db_mapsize) {
-		IREAD_UNLOCK(ipbmap);
-		return -EINVAL;
-	}
-
-	if (nblocks > ((s64) 1 << bmp->db_maxfreebud)) {
-		/* the free space is no longer available */
-		IREAD_UNLOCK(ipbmap);
-		return -ENOSPC;
-	}
-
-	/* read in the dmap covering the extent */
-	lblkno = BLKTODMAP(blkno, bmp->db_l2nbperpage);
-	mp = read_metapage(ipbmap, lblkno, PSIZE, 0);
-	if (mp == NULL) {
-		IREAD_UNLOCK(ipbmap);
-		return -EIO;
-	}
-	dp = (struct dmap *) mp->data;
-
-	/* try to allocate the requested extent */
-	rc = dbAllocNext(bmp, dp, blkno, nblocks);
-
-	IREAD_UNLOCK(ipbmap);
-
-	if (rc == 0)
-		mark_metapage_dirty(mp);
-
-	release_metapage(mp);
-
-	return (rc);
-}
-#endif /* _NOTYET */
-
 /*
  * NAME:	dbReAlloc()
  *