From: Theodore Ts'o <tytso@mit.edu>
To: Nikolay Borisov <kernel@kyup.com>
Cc: adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] bufferhead: Add _gfp version for sb_getblk()
Date: Thu, 2 Jul 2015 02:14:05 -0400 [thread overview]
Message-ID: <20150702061405.GA3108@thunk.org> (raw)
In-Reply-To: <1435645609-20387-1-git-send-email-kernel@kyup.com>
On Tue, Jun 30, 2015 at 09:26:48AM +0300, Nikolay Borisov wrote:
> sb_getblk() is used during ext4 (and possibly other FSes) writeback
> paths. Sometimes such path require allocating memory and guaranteeing
> that such allocation won't block. Currently, however, there is no way
> to provide user flags for sb_getblk which could lead to deadlocks.
>
> This patch implements a sb_getblk_gfp with the only difference it can
> accept user-provided GFP flags.
>
> Signed-off-by: Nikolay Borisov <kernel@kyup.com>
I've added this to the ext4.git tree, thanks.
- Ted
prev parent reply other threads:[~2015-07-02 6:14 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-30 6:26 [PATCH 1/2] bufferhead: Add _gfp version for sb_getblk() Nikolay Borisov
2015-06-30 6:26 ` [PATCH 2/2] ext4: make use of sb_getblk_gfp Nikolay Borisov
2015-07-02 6:14 ` Theodore Ts'o
2015-07-02 6:16 ` Nikolay Borisov
2015-07-02 14:17 ` Theodore Ts'o
2015-07-02 6:14 ` Theodore Ts'o [this message]
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