From: Christoph Hellwig <hch@infradead.org>
To: "Darrick J. Wong" <darrick.wong@oracle.com>
Cc: sandeen@sandeen.net, linux-xfs@vger.kernel.org
Subject: Re: [PATCH 12/25] xfs_copy: use uncached buffer reads to get the superblock
Date: Tue, 25 Feb 2020 09:45:47 -0800 [thread overview]
Message-ID: <20200225174547.GM20570@infradead.org> (raw)
In-Reply-To: <158258956405.451378.5036099292043192938.stgit@magnolia>
On Mon, Feb 24, 2020 at 04:12:44PM -0800, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@oracle.com>
>
> Upon startup, xfs_copy needs to read the filesystem superblock to mount
> the filesystem. We cannot know the filesystem sector size until we read
> the superblock, but we also do not want to introduce aliasing in the
> buffer cache. Convert this code to the new uncached buffer read API so
> that we can stop open-coding it.
>
> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
next prev parent reply other threads:[~2020-02-25 17:45 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-25 0:11 [PATCH v2 00/25] xfsprogs: refactor buffer function names Darrick J. Wong
2020-02-25 0:11 ` [PATCH 01/25] libxfs: open-code "exit on buffer read failure" in upper level callers Darrick J. Wong
2020-02-25 17:42 ` Christoph Hellwig
2020-02-25 18:40 ` Darrick J. Wong
2020-02-25 18:42 ` Christoph Hellwig
2020-02-25 19:19 ` Darrick J. Wong
2020-02-25 19:26 ` [PATCH v2 " Darrick J. Wong
2020-02-25 0:11 ` [PATCH 02/25] libxfs: remove LIBXFS_EXIT_ON_FAILURE Darrick J. Wong
2020-02-25 17:43 ` Christoph Hellwig
2020-02-25 0:11 ` [PATCH 03/25] libxfs: remove LIBXFS_B_EXIT Darrick J. Wong
2020-02-25 17:43 ` Christoph Hellwig
2020-02-25 0:11 ` [PATCH 04/25] libxfs: replace libxfs_putbuf with libxfs_buf_relse Darrick J. Wong
2020-02-25 0:12 ` [PATCH 05/25] libxfs: replace libxfs_getbuf with libxfs_buf_get Darrick J. Wong
2020-02-25 0:12 ` [PATCH 06/25] libxfs: replace libxfs_readbuf with libxfs_buf_read Darrick J. Wong
2020-02-25 0:12 ` [PATCH 07/25] libxfs: rename libxfs_writebufr to libxfs_bwrite Darrick J. Wong
2020-02-25 17:44 ` Christoph Hellwig
2020-02-25 0:12 ` [PATCH 08/25] libxfs: make libxfs_readbuf_verify return an error code Darrick J. Wong
2020-02-25 0:12 ` [PATCH 09/25] libxfs: make libxfs_readbufr stash the error value in b_error Darrick J. Wong
2020-02-25 0:12 ` [PATCH 10/25] libxfs: introduce libxfs_buf_read_uncached Darrick J. Wong
2020-02-25 17:44 ` Christoph Hellwig
2020-02-25 0:12 ` [PATCH 11/25] xfs_db: use uncached buffer reads to get the superblock Darrick J. Wong
2020-02-25 17:45 ` Christoph Hellwig
2020-02-25 0:12 ` [PATCH 12/25] xfs_copy: " Darrick J. Wong
2020-02-25 17:45 ` Christoph Hellwig [this message]
2020-02-25 0:12 ` [PATCH 13/25] libxfs: move log functions for convenience Darrick J. Wong
2020-02-25 17:47 ` Christoph Hellwig
2020-02-25 18:47 ` Darrick J. Wong
2020-02-25 0:12 ` [PATCH 14/25] libxfs: convert libxfs_log_clear to use uncached buffers Darrick J. Wong
2020-02-25 17:49 ` Christoph Hellwig
2020-02-25 18:48 ` Darrick J. Wong
2020-02-25 0:13 ` [PATCH 15/25] libxlog: use uncached buffers instead of open-coding them Darrick J. Wong
2020-02-25 17:50 ` Christoph Hellwig
2020-02-25 0:13 ` [PATCH 16/25] libxfs: use uncached buffers for initial mkfs writes Darrick J. Wong
2020-02-25 0:13 ` [PATCH 17/25] libxfs: straighten out libxfs_writebuf naming confusion Darrick J. Wong
2020-02-25 17:50 ` Christoph Hellwig
2020-02-25 0:13 ` [PATCH 18/25] libxfs: remove unused flags parameter to libxfs_buf_mark_dirty Darrick J. Wong
2020-02-25 17:51 ` Christoph Hellwig
2020-02-25 18:52 ` Darrick J. Wong
2020-02-25 0:13 ` [PATCH 19/25] libxfs: remove libxfs_writebuf_int Darrick J. Wong
2020-02-25 0:13 ` [PATCH 20/25] libxfs: remove dangerous casting between xfs_buf and cache_node Darrick J. Wong
2020-02-25 17:52 ` Christoph Hellwig
2020-02-25 18:52 ` Darrick J. Wong
2020-02-25 0:13 ` [PATCH 21/25] libxfs: remove dangerous casting between cache_node and xfs_buf Darrick J. Wong
2020-02-25 17:52 ` Christoph Hellwig
2020-02-25 0:13 ` [PATCH 22/25] libxfs: remove the libxfs_{get,put}bufr APIs Darrick J. Wong
2020-02-25 17:52 ` Christoph Hellwig
2020-02-25 0:13 ` [PATCH 23/25] libxfs: hide libxfs_getbuf_flags Darrick J. Wong
2020-02-25 0:14 ` [PATCH 24/25] libxfs: rename libxfs_readbuf_map to libxfs_buf_read_map Darrick J. Wong
2020-02-25 0:14 ` [PATCH 25/25] libxfs: rename libxfs_getbuf_map to libxfs_buf_get_map Darrick J. Wong
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