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[GFS2] Fix write alloc required shortcut calculation 

The comparison was being made against the wrong quantity.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Steven Whitehouse 2008-01-16 14:24:05 +00:00
parent 0522053519
commit 1af535727b
1 changed files with 2 additions and 2 deletions
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4
fs/gfs2/bmap.c
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@ -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;
}