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authorSteven Whitehouse <swhiteho@redhat.com>2008-01-16 17:24:05 +0300
committerSteven Whitehouse <swhiteho@redhat.com>2008-01-25 11:19:28 +0300
commit1af535727bbf68e1da7ac232de47315da4c66ade (patch)
treeab24a9bc1271179fdae558d4f66e7ee0e401ce4c /fs/gfs2
parent05220535196d413db434527a3edcba79b7187df8 (diff)
downloadlinux-1af535727bbf68e1da7ac232de47315da4c66ade.tar.xz
[GFS2] Fix write alloc required shortcut calculation
The comparison was being made against the wrong quantity. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2')
-rw-r--r--fs/gfs2/bmap.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index 4356cc2fb3f5..e4effc47abfc 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;
}