From: Kalpak Shah <Kalpak.Shah@Sun.COM>
To: TheodoreTso <tytso@mit.edu>
Cc: linux-ext4 <linux-ext4@vger.kernel.org>
Subject: [PATCH][13/15] e2fsprogs-i_size-corruption.patch
Date: Mon, 06 Oct 2008 16:01:26 +0530 [thread overview]
Message-ID: <1223289086.4007.92.camel@localhost> (raw)
[-- Attachment #1: Type: text/plain, Size: 220 bytes --]
Fix handling of block preallocation support in cases where the kernel
PAGE_SIZE is larger than the filesystem blocksize.
Signed-off-by: Kalpak Shah <kalpak.shah@sun.com>
Signed-off-by: Andreas Dilger <adilger@sun.com>
[-- Attachment #2: e2fsprogs-i_size-corruption.patch --]
[-- Type: text/x-patch, Size: 892 bytes --]
Fix handling of block preallocation support in cases where the kernel
PAGE_SIZE is larger than the filesystem blocksize.
Signed-off-by: Kalpak Shah <kalpak@clusterfs.com>
Signed-off-by: Andreas Dilger <adilger@clusterfs.com>
Index: e2fsprogs-1.40.2/e2fsck/pass1.c
===================================================================
--- e2fsprogs-1.40.2.orig/e2fsck/pass1.c
+++ e2fsprogs-1.40.2/e2fsck/pass1.c
@@ -2103,7 +2103,7 @@ static void check_blocks(e2fsck_t ctx, s
if ((pb.last_block >= 0) &&
/* allow allocated blocks to end of PAGE_SIZE */
(size < (__u64)pb.last_block * fs->blocksize) &&
- (pb.last_block / blkpg * blkpg != pb.last_block ||
+ ((pb.last_block+1) / blkpg * blkpg != (pb.last_block+1) ||
size < (__u64)(pb.last_block & ~(blkpg-1)) *fs->blocksize))
bad_size = 3;
else if (size > ext2_max_sizes[fs->super->s_log_block_size])
reply other threads:[~2008-10-06 10:33 UTC|newest]
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