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); } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/