From: David Sterba <dsterba@suse.cz>
To: fdmanana@kernel.org
Cc: linux-btrfs@vger.kernel.org
Subject: Re: [PATCH] Btrfs: setup a nofs context for memory allocation at __btrfs_set_acl
Date: Thu, 3 Jan 2019 18:01:43 +0100 [thread overview]
Message-ID: <20190103170143.GK23615@twin.jikos.cz> (raw)
In-Reply-To: <20181213211656.14765-1-fdmanana@kernel.org>
On Thu, Dec 13, 2018 at 09:16:56PM +0000, fdmanana@kernel.org wrote:
> From: Filipe Manana <fdmanana@suse.com>
>
> We are holding a transaction handle when setting an acl, therefore we can
> not allocate the xattr value buffer using GFP_KERNEL, as we could deadlock
> if reclaim is triggered by the allocation, therefore setup a nofs context.
>
> Fixes: 39a27ec1004e8 ("btrfs: use GFP_KERNEL for xattr and acl allocations")
> Signed-off-by: Filipe Manana <fdmanana@suse.com>
Added to misc-next, thanks.
prev parent reply other threads:[~2019-01-03 17:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-13 21:16 [PATCH] Btrfs: setup a nofs context for memory allocation at __btrfs_set_acl fdmanana
2018-12-14 7:28 ` Nikolay Borisov
2019-01-03 17:01 ` David Sterba [this message]
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