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

Re: [PATCH 1/8] far: remove i_alloc_sem abuse

On Wed, Jun 22, 2011 at 12:57:43AM +0900, OGAWA Hirofumi wrote:
> Christoph Hellwig <hch@xxxxxxxxxxxxx> writes:
> > Add a new rw_semaphore to protect bmap against truncate.  Previous
> > i_alloc_sem was abused for this, but it's going away in this series.
> In FAT case, ->i_mutex was better. But, last time I saw, shmfs was using
> ->i_mutex to call ->bmap. So, this was chosen instead.
> I'm not checking current version yet though, if shmfs had change, we can
> use ->i_mutex.

I tried that first, but it gives an instant deadlock when using a
swapfile on fat.

To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Photo]     [Yosemite News]    [Yosemite Photos]    [Free Online Dating]     [Linux Kernel]     [Linux SCSI]     [XFree86]

Add to Google Powered by Linux