Re: [PATCH v9 3/8] iomap: Don't get an reference on ZERO_PAGE for direct I/O block zeroing

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

To: David Howells <dhowells@xxxxxxxxxx>
Subject: Re: [PATCH v9 3/8] iomap: Don't get an reference on ZERO_PAGE for direct I/O block zeroing
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Tue, 24 Jan 2023 11:01:01 -0800
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Jan Kara <jack@xxxxxxx>, Jeff Layton <jlayton@xxxxxxxxxx>, David Hildenbrand <david@xxxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxxxx>, Logan Gunthorpe <logang@xxxxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20230124170108.1070389-4-dhowells@redhat.com>

On Tue, Jan 24, 2023 at 05:01:03PM +0000, David Howells wrote:
> ZERO_PAGE can't go away, no need to hold an extra reference.
> 
> Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>

If you send this on this needs your signoff as well, btw.

References:
- [PATCH v9 0/8] iov_iter: Improve page extraction (pin or just list)
  - From: David Howells
- [PATCH v9 3/8] iomap: Don't get an reference on ZERO_PAGE for direct I/O block zeroing
  - From: David Howells

Prev by Date: Re: [PATCH v9 2/8] iov_iter: Add a function to extract a page list from an iterator
Next by Date: Re: [PATCH v9 5/8] block: Replace BIO_NO_PAGE_REF with BIO_PAGE_REFFED with inverted logic
Previous by thread: [PATCH v9 3/8] iomap: Don't get an reference on ZERO_PAGE for direct I/O block zeroing
Next by thread: Re: [PATCH v9 3/8] iomap: Don't get an reference on ZERO_PAGE for direct I/O block zeroing
Index(es):
- Date
- Thread

[Index of Archives] [Linux Ext4 Filesystem] [Union Filesystem] [Filesystem Testing] [Ceph Users] [Ecryptfs] [NTFS 3] [AutoFS] [Kernel Newbies] [Share Photos] [Security] [Netfilter] [Bugtraq] [Yosemite News] [MIPS Linux] [ARM Linux] [Linux Security] [Linux Cachefs] [Reiser Filesystem] [Linux RAID] [NTFS 3] [Samba] [Device Mapper] [CEPH Development]