From 6628465e33ca694bd8fd5c3cf4eb7ff9177bc694 Mon Sep 17 00:00:00 2001 From: Dave Kleikamp Date: Mon, 2 May 2005 12:25:13 -0600 Subject: [PATCH] JFS: Don't allocate extents that overlap existing extents Modify xtSearch so that it returns the next allocated block when the requested block is unmapped. This can be used to make sure we don't create a new extent that overlaps the next one. Signed-off-by: Dave Kleikamp Signed-off-by: Linus Torvalds --- fs/jfs/jfs_dtree.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'fs/jfs/jfs_dtree.c') diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c index 453bace608d1..ac41f72d6d50 100644 --- a/fs/jfs/jfs_dtree.c +++ b/fs/jfs/jfs_dtree.c @@ -212,7 +212,7 @@ static struct metapage *read_index_page(struct inode *inode, s64 blkno) s32 xlen; rc = xtLookup(inode, blkno, 1, &xflag, &xaddr, &xlen, 1); - if (rc || (xlen == 0)) + if (rc || (xaddr == 0)) return NULL; return read_metapage(inode, xaddr, PSIZE, 1); @@ -231,7 +231,7 @@ static struct metapage *get_index_page(struct inode *inode, s64 blkno) s32 xlen; rc = xtLookup(inode, blkno, 1, &xflag, &xaddr, &xlen, 1); - if (rc || (xlen == 0)) + if (rc || (xaddr == 0)) return NULL; return get_metapage(inode, xaddr, PSIZE, 1); -- cgit v1.2.3