diff options
| author | NeilBrown <neilb@suse.de> | 2007-05-21 11:33:10 +1000 |
|---|---|---|
| committer | Willy Tarreau <w@1wt.eu> | 2007-08-15 10:02:21 +0200 |
| commit | c39cf5329632f239bbf8fd2b2d32bd4e3cb405a9 (patch) | |
| tree | 996112e7af0bafe486f0991e95a646bfaa8eb589 /include | |
| parent | cb9072a6c6322f4615576537b024a42252b7ac15 (diff) | |
[PATCH] md: Don't write more than is required of the last page of a bitmap
It is possible that real data or metadata follows the bitmap
without full page alignment.
So limit the last write to be only the required number of bytes,
rounded up to the hard sector size of the device.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/raid/bitmap.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/raid/bitmap.h b/include/linux/raid/bitmap.h index 6db9a4c15355..dd5a05d03d4f 100644 --- a/include/linux/raid/bitmap.h +++ b/include/linux/raid/bitmap.h @@ -232,6 +232,7 @@ struct bitmap { struct page **filemap; /* list of cache pages for the file */ unsigned long *filemap_attr; /* attributes associated w/ filemap pages */ unsigned long file_pages; /* number of pages in the file */ + int last_page_size; /* bytes in the last page */ unsigned long flags; |