Re: [PATCH v2 5/5] fat: permit to return phy block number by fibmapin fallocated region

From: Namjae Jeon
Date: Fri Dec 06 2013 - 09:39:30 EST


2013/12/6, OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>:
> Namjae Jeon <linkinjeon@xxxxxxxxx> writes:
>
>>> ->i_mutex doesn't work for swapfile.
>> Sorry, Actually, I don't understand why it is related with swapfile.
>> Could you elaborate more ?
>
> swapfile.c calls ->bmap to know physical address in swapfile. However,
> swapfile.c calls ->bmap under inode->i_mutex.
Okay, Thanks for explanation.

>
> Thanks.
> --
> OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
>
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