Re: [Nbd] fua, trim, etc
- To: Wouter Verhelst <w@...112...>
- Cc: Nbd-general@lists.sourceforge.net
- Subject: Re: [Nbd] fua, trim, etc
- From: folkert <folkert@...421...>
- Date: Sun, 11 Sep 2011 13:14:07 +0200
- Message-id: <20110911111406.GE1012@...855...>
- In-reply-to: <20110911060147.GA19807@...3...>
- References: <20110910204342.GC1012@...855...> <20110910211124.GD1012@...855...> <20110911060147.GA19807@...3...>
> > Not entirely sure about trim/discard: mount -o trim is refused by the
> > kernel/mount.
>
> Try:
> - Create and mount an ext4 filesystem on the NBD device
> - Create a large (non-sparse) file on that filesystem
> - Remove the file again
Nope, nothing.
I verified that I set the correct bits.
int flags = 1 + 4 + 8 + 32; // FLAGS, FLUSH, FUA, TRIM
Folkert van Heusden
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