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/inode.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'fs/jfs/inode.c') diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c index 6c04f5eda135..24a689179af2 100644 --- a/fs/jfs/inode.c +++ b/fs/jfs/inode.c @@ -178,7 +178,7 @@ jfs_get_blocks(struct inode *ip, sector_t lblock, unsigned long max_blocks, xad_t xad; s64 xaddr; int xflag; - s32 xlen; + s32 xlen = max_blocks; /* * Take appropriate lock on inode @@ -190,7 +190,7 @@ jfs_get_blocks(struct inode *ip, sector_t lblock, unsigned long max_blocks, if (((lblock64 << ip->i_sb->s_blocksize_bits) < ip->i_size) && (!xtLookup(ip, lblock64, max_blocks, &xflag, &xaddr, &xlen, 0)) && - xlen) { + xaddr) { if (xflag & XAD_NOTRECORDED) { if (!create) /* @@ -229,7 +229,7 @@ jfs_get_blocks(struct inode *ip, sector_t lblock, unsigned long max_blocks, #ifdef _JFS_4K if ((rc = extHint(ip, lblock64 << ip->i_sb->s_blocksize_bits, &xad))) goto unlock; - rc = extAlloc(ip, max_blocks, lblock64, &xad, FALSE); + rc = extAlloc(ip, xlen, lblock64, &xad, FALSE); if (rc) goto unlock; -- cgit v1.2.3