From: "Darrick J. Wong" <djwong@kernel.org>
To: Christoph Hellwig <hch@lst.de>
Cc: Dan Williams <dan.j.williams@intel.com>,
Mike Snitzer <snitzer@redhat.com>,
Ira Weiny <ira.weiny@intel.com>,
dm-devel@redhat.com, linux-xfs@vger.kernel.org,
nvdimm@lists.linux.dev, linux-s390@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-erofs@lists.ozlabs.org,
linux-ext4@vger.kernel.org,
virtualization@lists.linux-foundation.org
Subject: Re: [PATCH 23/29] xfs: pass the mapping flags to xfs_bmbt_to_iomap
Date: Tue, 30 Nov 2021 10:59:16 -0800 [thread overview]
Message-ID: <20211130185916.GG8467@magnolia> (raw)
In-Reply-To: <20211129102203.2243509-24-hch@lst.de>
On Mon, Nov 29, 2021 at 11:21:57AM +0100, Christoph Hellwig wrote:
> To prepare for looking at the IOMAP_DAX flag in xfs_bmbt_to_iomap pass in
> the input mapping flags to xfs_bmbt_to_iomap.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
Thanks for changing the argument names to be less confusing,
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
--D
> ---
> fs/xfs/libxfs/xfs_bmap.c | 4 ++--
> fs/xfs/xfs_aops.c | 2 +-
> fs/xfs/xfs_iomap.c | 35 ++++++++++++++++++++---------------
> fs/xfs/xfs_iomap.h | 5 +++--
> fs/xfs/xfs_pnfs.c | 2 +-
> 5 files changed, 27 insertions(+), 21 deletions(-)
>
> diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
> index 4dccd4d90622d..74198dd82b035 100644
> --- a/fs/xfs/libxfs/xfs_bmap.c
> +++ b/fs/xfs/libxfs/xfs_bmap.c
> @@ -4551,7 +4551,7 @@ xfs_bmapi_convert_delalloc(
> * the extent. Just return the real extent at this offset.
> */
> if (!isnullstartblock(bma.got.br_startblock)) {
> - xfs_bmbt_to_iomap(ip, iomap, &bma.got, flags);
> + xfs_bmbt_to_iomap(ip, iomap, &bma.got, 0, flags);
> *seq = READ_ONCE(ifp->if_seq);
> goto out_trans_cancel;
> }
> @@ -4598,7 +4598,7 @@ xfs_bmapi_convert_delalloc(
> XFS_STATS_INC(mp, xs_xstrat_quick);
>
> ASSERT(!isnullstartblock(bma.got.br_startblock));
> - xfs_bmbt_to_iomap(ip, iomap, &bma.got, flags);
> + xfs_bmbt_to_iomap(ip, iomap, &bma.got, 0, flags);
> *seq = READ_ONCE(ifp->if_seq);
>
> if (whichfork == XFS_COW_FORK)
> diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
> index c8c15c3c31471..6ac3449a68ba0 100644
> --- a/fs/xfs/xfs_aops.c
> +++ b/fs/xfs/xfs_aops.c
> @@ -359,7 +359,7 @@ xfs_map_blocks(
> isnullstartblock(imap.br_startblock))
> goto allocate_blocks;
>
> - xfs_bmbt_to_iomap(ip, &wpc->iomap, &imap, 0);
> + xfs_bmbt_to_iomap(ip, &wpc->iomap, &imap, 0, 0);
> trace_xfs_map_blocks_found(ip, offset, count, whichfork, &imap);
> return 0;
> allocate_blocks:
> diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
> index 9b7f92c6aef33..d6beb1502f8bc 100644
> --- a/fs/xfs/xfs_iomap.c
> +++ b/fs/xfs/xfs_iomap.c
> @@ -53,7 +53,8 @@ xfs_bmbt_to_iomap(
> struct xfs_inode *ip,
> struct iomap *iomap,
> struct xfs_bmbt_irec *imap,
> - u16 flags)
> + unsigned int mapping_flags,
> + u16 iomap_flags)
> {
> struct xfs_mount *mp = ip->i_mount;
> struct xfs_buftarg *target = xfs_inode_buftarg(ip);
> @@ -79,7 +80,7 @@ xfs_bmbt_to_iomap(
> iomap->length = XFS_FSB_TO_B(mp, imap->br_blockcount);
> iomap->bdev = target->bt_bdev;
> iomap->dax_dev = target->bt_daxdev;
> - iomap->flags = flags;
> + iomap->flags = iomap_flags;
>
> if (xfs_ipincount(ip) &&
> (ip->i_itemp->ili_fsync_fields & ~XFS_ILOG_TIMESTAMP))
> @@ -799,7 +800,7 @@ xfs_direct_write_iomap_begin(
>
> xfs_iunlock(ip, lockmode);
> trace_xfs_iomap_found(ip, offset, length, XFS_DATA_FORK, &imap);
> - return xfs_bmbt_to_iomap(ip, iomap, &imap, iomap_flags);
> + return xfs_bmbt_to_iomap(ip, iomap, &imap, flags, iomap_flags);
>
> allocate_blocks:
> error = -EAGAIN;
> @@ -830,18 +831,19 @@ xfs_direct_write_iomap_begin(
> return error;
>
> trace_xfs_iomap_alloc(ip, offset, length, XFS_DATA_FORK, &imap);
> - return xfs_bmbt_to_iomap(ip, iomap, &imap, iomap_flags | IOMAP_F_NEW);
> + return xfs_bmbt_to_iomap(ip, iomap, &imap, flags,
> + iomap_flags | IOMAP_F_NEW);
>
> out_found_cow:
> xfs_iunlock(ip, lockmode);
> length = XFS_FSB_TO_B(mp, cmap.br_startoff + cmap.br_blockcount);
> trace_xfs_iomap_found(ip, offset, length - offset, XFS_COW_FORK, &cmap);
> if (imap.br_startblock != HOLESTARTBLOCK) {
> - error = xfs_bmbt_to_iomap(ip, srcmap, &imap, 0);
> + error = xfs_bmbt_to_iomap(ip, srcmap, &imap, flags, 0);
> if (error)
> return error;
> }
> - return xfs_bmbt_to_iomap(ip, iomap, &cmap, IOMAP_F_SHARED);
> + return xfs_bmbt_to_iomap(ip, iomap, &cmap, flags, IOMAP_F_SHARED);
>
> out_unlock:
> if (lockmode)
> @@ -1051,23 +1053,24 @@ xfs_buffered_write_iomap_begin(
> */
> xfs_iunlock(ip, XFS_ILOCK_EXCL);
> trace_xfs_iomap_alloc(ip, offset, count, allocfork, &imap);
> - return xfs_bmbt_to_iomap(ip, iomap, &imap, IOMAP_F_NEW);
> + return xfs_bmbt_to_iomap(ip, iomap, &imap, flags, IOMAP_F_NEW);
>
> found_imap:
> xfs_iunlock(ip, XFS_ILOCK_EXCL);
> - return xfs_bmbt_to_iomap(ip, iomap, &imap, 0);
> + return xfs_bmbt_to_iomap(ip, iomap, &imap, flags, 0);
>
> found_cow:
> xfs_iunlock(ip, XFS_ILOCK_EXCL);
> if (imap.br_startoff <= offset_fsb) {
> - error = xfs_bmbt_to_iomap(ip, srcmap, &imap, 0);
> + error = xfs_bmbt_to_iomap(ip, srcmap, &imap, flags, 0);
> if (error)
> return error;
> - return xfs_bmbt_to_iomap(ip, iomap, &cmap, IOMAP_F_SHARED);
> + return xfs_bmbt_to_iomap(ip, iomap, &cmap, flags,
> + IOMAP_F_SHARED);
> }
>
> xfs_trim_extent(&cmap, offset_fsb, imap.br_startoff - offset_fsb);
> - return xfs_bmbt_to_iomap(ip, iomap, &cmap, 0);
> + return xfs_bmbt_to_iomap(ip, iomap, &cmap, flags, 0);
>
> out_unlock:
> xfs_iunlock(ip, XFS_ILOCK_EXCL);
> @@ -1176,7 +1179,8 @@ xfs_read_iomap_begin(
> if (error)
> return error;
> trace_xfs_iomap_found(ip, offset, length, XFS_DATA_FORK, &imap);
> - return xfs_bmbt_to_iomap(ip, iomap, &imap, shared ? IOMAP_F_SHARED : 0);
> + return xfs_bmbt_to_iomap(ip, iomap, &imap, flags,
> + shared ? IOMAP_F_SHARED : 0);
> }
>
> const struct iomap_ops xfs_read_iomap_ops = {
> @@ -1235,7 +1239,8 @@ xfs_seek_iomap_begin(
> if (data_fsb < cow_fsb + cmap.br_blockcount)
> end_fsb = min(end_fsb, data_fsb);
> xfs_trim_extent(&cmap, offset_fsb, end_fsb);
> - error = xfs_bmbt_to_iomap(ip, iomap, &cmap, IOMAP_F_SHARED);
> + error = xfs_bmbt_to_iomap(ip, iomap, &cmap, flags,
> + IOMAP_F_SHARED);
> /*
> * This is a COW extent, so we must probe the page cache
> * because there could be dirty page cache being backed
> @@ -1257,7 +1262,7 @@ xfs_seek_iomap_begin(
> imap.br_state = XFS_EXT_NORM;
> done:
> xfs_trim_extent(&imap, offset_fsb, end_fsb);
> - error = xfs_bmbt_to_iomap(ip, iomap, &imap, 0);
> + error = xfs_bmbt_to_iomap(ip, iomap, &imap, flags, 0);
> out_unlock:
> xfs_iunlock(ip, lockmode);
> return error;
> @@ -1304,7 +1309,7 @@ xfs_xattr_iomap_begin(
> if (error)
> return error;
> ASSERT(nimaps);
> - return xfs_bmbt_to_iomap(ip, iomap, &imap, 0);
> + return xfs_bmbt_to_iomap(ip, iomap, &imap, flags, 0);
> }
>
> const struct iomap_ops xfs_xattr_iomap_ops = {
> diff --git a/fs/xfs/xfs_iomap.h b/fs/xfs/xfs_iomap.h
> index f1a281ab9328c..657cc02290f22 100644
> --- a/fs/xfs/xfs_iomap.h
> +++ b/fs/xfs/xfs_iomap.h
> @@ -17,8 +17,9 @@ int xfs_iomap_write_unwritten(struct xfs_inode *, xfs_off_t, xfs_off_t, bool);
> xfs_fileoff_t xfs_iomap_eof_align_last_fsb(struct xfs_inode *ip,
> xfs_fileoff_t end_fsb);
>
> -int xfs_bmbt_to_iomap(struct xfs_inode *, struct iomap *,
> - struct xfs_bmbt_irec *, u16);
> +int xfs_bmbt_to_iomap(struct xfs_inode *ip, struct iomap *iomap,
> + struct xfs_bmbt_irec *imap, unsigned int mapping_flags,
> + u16 iomap_flags);
>
> int xfs_zero_range(struct xfs_inode *ip, loff_t pos, loff_t len,
> bool *did_zero);
> diff --git a/fs/xfs/xfs_pnfs.c b/fs/xfs/xfs_pnfs.c
> index 5e1d29d8b2e73..7ce1ea11fc3f3 100644
> --- a/fs/xfs/xfs_pnfs.c
> +++ b/fs/xfs/xfs_pnfs.c
> @@ -173,7 +173,7 @@ xfs_fs_map_blocks(
> }
> xfs_iunlock(ip, XFS_IOLOCK_EXCL);
>
> - error = xfs_bmbt_to_iomap(ip, iomap, &imap, 0);
> + error = xfs_bmbt_to_iomap(ip, iomap, &imap, 0, 0);
> *device_generation = mp->m_generation;
> return error;
> out_unlock:
> --
> 2.30.2
>
next prev parent reply other threads:[~2021-11-30 18:59 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-29 10:21 decouple DAX from block devices v2 Christoph Hellwig
2021-11-29 10:21 ` [PATCH 01/29] dm: fix alloc_dax error handling in alloc_dev Christoph Hellwig
2021-11-29 10:21 ` [PATCH 02/29] dm: make the DAX support depend on CONFIG_FS_DAX Christoph Hellwig
2021-11-29 10:21 ` [PATCH 03/29] dax: remove CONFIG_DAX_DRIVER Christoph Hellwig
2021-11-29 10:21 ` [PATCH 04/29] dax: simplify the dax_device <-> gendisk association Christoph Hellwig
2021-11-30 17:26 ` Darrick J. Wong
2021-11-29 10:21 ` [PATCH 05/29] dax: remove the pgmap sanity checks in generic_fsdax_supported Christoph Hellwig
2021-11-30 18:50 ` Darrick J. Wong
2021-11-29 10:21 ` [PATCH 06/29] dax: move the partition alignment check into fs_dax_get_by_bdev Christoph Hellwig
2021-11-30 18:51 ` Darrick J. Wong
2021-11-29 10:21 ` [PATCH 07/29] xfs: factor out a xfs_setup_dax_always helper Christoph Hellwig
2021-11-29 10:21 ` [PATCH 08/29] dax: remove dax_capable Christoph Hellwig
2021-11-29 10:21 ` [PATCH 09/29] dm-linear: add a linear_dax_pgoff helper Christoph Hellwig
2021-11-29 10:21 ` [PATCH 10/29] dm-log-writes: add a log_writes_dax_pgoff helper Christoph Hellwig
2021-11-29 10:21 ` [PATCH 11/29] dm-stripe: add a stripe_dax_pgoff helper Christoph Hellwig
2021-11-29 10:21 ` [PATCH 12/29] fsdax: remove a pointless __force cast in copy_cow_page_dax Christoph Hellwig
2021-11-29 10:21 ` [PATCH 13/29] fsdax: use a saner calling convention for copy_cow_page_dax Christoph Hellwig
2021-11-29 10:21 ` [PATCH 14/29] fsdax: simplify the pgoff calculation Christoph Hellwig
2021-11-29 10:21 ` [PATCH 15/29] xfs: add xfs_zero_range and xfs_truncate_page helpers Christoph Hellwig
2021-11-29 10:21 ` [PATCH 16/29] fsdax: simplify the offset check in dax_iomap_zero Christoph Hellwig
2021-11-29 10:21 ` [PATCH 17/29] fsdax: factor out a dax_memzero helper Christoph Hellwig
2021-11-29 10:21 ` [PATCH 18/29] fsdax: decouple zeroing from the iomap buffered I/O code Christoph Hellwig
2021-11-30 18:53 ` Darrick J. Wong
2021-11-29 10:21 ` [PATCH 19/29] ext2: cleanup the dax handling in ext2_fill_super Christoph Hellwig
2021-11-29 10:21 ` [PATCH 20/29] ext4: cleanup the dax handling in ext4_fill_super Christoph Hellwig
2021-11-29 10:21 ` [PATCH 21/29] xfs: move dax device handling into xfs_{alloc,free}_buftarg Christoph Hellwig
2021-11-29 10:21 ` [PATCH 22/29] xfs: use xfs_direct_write_iomap_ops for DAX zeroing Christoph Hellwig
2021-11-29 10:21 ` [PATCH 23/29] xfs: pass the mapping flags to xfs_bmbt_to_iomap Christoph Hellwig
2021-11-30 18:59 ` Darrick J. Wong [this message]
2021-11-29 10:21 ` [PATCH 24/29] iomap: add a IOMAP_DAX flag Christoph Hellwig
2021-11-30 19:02 ` Darrick J. Wong
2021-11-29 10:21 ` [PATCH 25/29] dax: return the partition offset from fs_dax_get_by_bdev Christoph Hellwig
2021-11-30 19:04 ` Darrick J. Wong
2021-11-29 10:22 ` [PATCH 26/29] fsdax: shift partition offset handling into the file systems Christoph Hellwig
2021-11-30 19:06 ` Darrick J. Wong
2021-11-29 10:22 ` [PATCH 27/29] dax: fix up some of the block device related ifdefs Christoph Hellwig
2021-11-29 10:22 ` [PATCH 28/29] iomap: build the block based code conditionally Christoph Hellwig
2021-11-29 10:22 ` [PATCH 29/29] fsdax: don't require CONFIG_BLOCK Christoph Hellwig
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