Re: [PATCH] Add block device speciffic splice write method

From: Jens Axboe
Date: Mon Oct 20 2008 - 13:50:56 EST

On Sun, Oct 19 2008, Dmitri Monakhov wrote:
> Block device write procedure is different from regular file:
> - Actual write performed without i_mutex.
> - It has no metadata, so generic_osync_inode(O_SYNCMETEDATA) can not livelock.
> - We do not have to worry about S_ISUID/S_ISGID bits.

I already did an O_DIRECT part of block device splicing [1], I'll fold
this into the splice branch and double check with some testing.


Jens Axboe

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