Re: [PATCH 1/5] fat: add i_disksize to represent uninitialized size

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



2013/10/30, OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>:
> Namjae Jeon <linkinjeon@xxxxxxxxx> writes:
>
>>>> diff --git a/fs/fat/cache.c b/fs/fat/cache.c
>>>> index 91ad9e1..37572c2 100644
>>>> --- a/fs/fat/cache.c
>>>> +++ b/fs/fat/cache.c
>>>> @@ -329,10 +329,10 @@ int fat_bmap(struct inode *inode, sector_t
>>>> sector,
>>>> sector_t *phys,
>>>>  			return 0;
>>>>
>>>>  		/*
>>>> -		 * ->mmu_private can access on only allocation path.
>>>> +		 * ->i_disksize can access on only allocation path.
>>>>  		 * (caller must hold ->i_mutex)
>>>>  		 */
>>>> -		last_block = (MSDOS_I(inode)->mmu_private + (blocksize - 1))
>>>> +		last_block = (MSDOS_I(inode)->i_disksize + (blocksize - 1))
>>>>  			>> blocksize_bits;
>>>>  		if (sector >= last_block)
>>>>  			return 0;
>>>
>>> Hm, bmap() ioctl returns between ->mmu_private and i_disksize? I'm not
>>> checking other FSes what does...
>> I added this code after checking such behaviour from ext4.
>
> OK. I will check with it. BTW, comment should say the both
> (i.e. ->mmu_private and ->i_disksize must under ->i_mutex).
Okay, I will update.
Thanks!
> --
> OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
>
--
To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [Samba]     [Device Mapper]     [CEPH Development]
  Powered by Linux