Re: [PATCH v3 1/2] ext4: Pass in DIO_SKIP_DIO_COUNT flag if inode_dio_begin() called

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

 



On 04/20/2016 04:58 PM, Christoph Hellwig wrote:
FYI, none of the Dax code even needs to ever touch the dio_count,
as dax I/O can't be asynchronous, and we thus don't need it to protect
against truncate.  I'd suggest to remove it and then end_io callback
from the DAX code entirely as a start and then move from there.

Yes, it seems like we may not need to change the dio_count in dax_do_io() after all. BTW, what do mean by using end_io callback as a start?

Cheers,
Longman
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Reiser Filesystem Development]     [Ceph FS]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux FS]     [Yosemite National Park]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Device Mapper]     [Linux Media]

  Powered by Linux