From: Chris Mason <mason@suse.com>
Date: Sat, 5 Aug 2006 19:15:10 +0000 (-0700)
Subject: [PATCH] reiserfs_write_full_page() should not get_block past eof
X-Git-Tag: v2.6.18-rc4~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b4c76fa721c7c8a43655a74e508870d21d2e26d3;p=pandora-kernel.git

[PATCH] reiserfs_write_full_page() should not get_block past eof

reiserfs_write_full_page does zero bytes in the file past eof, but it may
call get_block on those buffers as well.  On machines where the page size
is larger than the blocksize, this can result in mmaped files incorrectly
growing up to a block boundary during writepage.

The fix is to avoid calling get_block for any blocks that are entirely past
eof

Signed-off-by: Chris Mason <mason@suse.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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