Add a few assertions into udf_discard_prealloc() to check that the file
is sane (mostly helps debugging further patches ;).
Signed-off-by: Jan Kara <[EMAIL PROTECTED]>
diff -rupX /home/jack/.kerndiffexclude
linux-2.6.20-3-udf_buffer_handling/fs/udf/truncate.c
linux-2.6.20-4-udf_discard_prealloc_cleanup/fs/udf/truncate.c
--- linux-2.6.20-3-udf_buffer_handling/fs/udf/truncate.c 2007-03-06
15:02:33.000000000 +0100
+++ linux-2.6.20-4-udf_discard_prealloc_cleanup/fs/udf/truncate.c
2007-03-06 15:03:00.000000000 +0100
@@ -88,8 +88,9 @@ void udf_discard_prealloc(struct inode *
{
etype = netype;
lbcount += elen;
- if (lbcount > inode->i_size && lbcount - inode->i_size <
inode->i_sb->s_blocksize)
+ if (lbcount > inode->i_size && lbcount - elen < inode->i_size)
{
+ WARN_ON(lbcount - inode->i_size >=
inode->i_sb->s_blocksize);
nelen = elen - (lbcount - inode->i_size);
epos.offset -= adsize;
extent_trunc(inode, &epos, eloc, etype, elen, nelen);
@@ -119,6 +120,7 @@ void udf_discard_prealloc(struct inode *
}
UDF_I_LENEXTENTS(inode) = lbcount;
+ WARN_ON(lbcount != inode->i_size);
brelse(epos.bh);
}
-
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