From 1af535727bbf68e1da7ac232de47315da4c66ade Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Wed, 16 Jan 2008 14:24:05 +0000 Subject: [PATCH] [GFS2] Fix write alloc required shortcut calculation The comparison was being made against the wrong quantity. Signed-off-by: Steven Whitehouse --- fs/gfs2/bmap.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index 4356cc2fb3f..e4effc47abf 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -1222,10 +1222,10 @@ int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset, do_div(lblock_stop, bsize); } else { unsigned int shift = sdp->sd_sb.sb_bsize_shift; + u64 end_of_file = (ip->i_di.di_size + sdp->sd_sb.sb_bsize - 1) >> shift; lblock = offset >> shift; lblock_stop = (offset + len + sdp->sd_sb.sb_bsize - 1) >> shift; - if (lblock_stop > ip->i_di.di_blocks) { /* writing past the - last block */ + if (lblock_stop > end_of_file) { *alloc_required = 1; return 0; } -- 2.20.1