| commit | 2a6b8daedaf3682bed3fc1d4e2390491f6e19c49 | |
| author | Li Zefan <lizf@cn.fujitsu.com> | |
| Fri, 19 Nov 2010 01:36:10 +0000 (19 01:36 +0000) | ||
| committer | Chris Mason <chris.mason@oracle.com> | |
| Mon, 22 Nov 2010 03:26:05 +0000 (21 22:26 -0500) | ||
| tree | 76f418aa17a1e3e690d5c1fb164e0c4b96ca1e8d | treesnapshot (tar.gz zip) |
| parent | 0de90876c6cb774d4a424dafc1fc9ec50071b81b | commitdiff |
btrfs: Check if dest_offset is block-size aligned before cloning file
We've done the check for src_offset and src_length, and We should
also check dest_offset, otherwise we'll corrupt the destination
file:
(After cloning file1 to file2 with unaligned dest_offset)
# cat /mnt/file2
cat: /mnt/file2: Input/output error
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
We've done the check for src_offset and src_length, and We should
also check dest_offset, otherwise we'll corrupt the destination
file:
(After cloning file1 to file2 with unaligned dest_offset)
# cat /mnt/file2
cat: /mnt/file2: Input/output error
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
| fs/btrfs/ioctl.c | diffblobblamehistory |