diff options
| author | Jan Kara <jack@suse.cz> | 2007-05-08 00:35:18 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-08 11:15:21 -0700 |
| commit | 948b9b2c967c3bec6136b2dbb9e1c12f62e03efa (patch) | |
| tree | 25a2376aef384fb05221e20b3c96f3c490c8195c /fs/udf/truncate.c | |
| parent | 3bf25cb40d899eeb5a471f497e56ddfe2c96c019 (diff) | |
| download | lwn-948b9b2c967c3bec6136b2dbb9e1c12f62e03efa.tar.gz lwn-948b9b2c967c3bec6136b2dbb9e1c12f62e03efa.zip | |
udf: add assertions
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 <jack@suse.cz>
Acked-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/udf/truncate.c')
| -rw-r--r-- | fs/udf/truncate.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/udf/truncate.c b/fs/udf/truncate.c index 0449b2216e71..0e328cdc9a45 100644 --- a/fs/udf/truncate.c +++ b/fs/udf/truncate.c @@ -88,8 +88,9 @@ void udf_discard_prealloc(struct inode * 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 * inode) } UDF_I_LENEXTENTS(inode) = lbcount; + WARN_ON(lbcount != inode->i_size); brelse(epos.bh); } |