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From: Aleksei Besogonov <cyberax@amazon.com>
To: <linux-xfs@vger.kernel.org>, <linux-fsdevel@vger.kernel.org>,
	<darrick.wong@oracle.com>
Cc: Aleksei Besogonov <cyberax@amazon.com>
Subject: [PATCH 2/2] xfs: add support for iomap-based swapfile activation
Date: Tue, 1 May 2018 18:48:07 +0000	[thread overview]
Message-ID: <20180501184807.123111-3-cyberax@amazon.com> (raw)
In-Reply-To: <20180501184807.123111-1-cyberax@amazon.com>

Use iomap-based swapfile activation instead of the default
generic_swapfile_activate bmap-based infrastructure.
---
 fs/xfs/xfs_aops.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 31f1f10eecd1..9c10efaabc6f 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -1491,6 +1491,13 @@ xfs_vm_set_page_dirty(
 	return newly_dirty;
 }
 
+static int xfs_swap_activate(struct swap_info_struct *sis, struct file *swap_file,
+			     sector_t *span)
+{
+	sis->bdev = xfs_find_bdev_for_inode(file_inode(swap_file));
+	return iomap_swap_activate(sis, swap_file, span, &xfs_iomap_ops);
+}
+
 const struct address_space_operations xfs_address_space_operations = {
 	.readpage		= xfs_vm_readpage,
 	.readpages		= xfs_vm_readpages,
@@ -1504,4 +1511,5 @@ const struct address_space_operations xfs_address_space_operations = {
 	.migratepage		= buffer_migrate_page,
 	.is_partially_uptodate  = block_is_partially_uptodate,
 	.error_remove_page	= generic_error_remove_page,
+	.swap_activate          = xfs_swap_activate,
 };
-- 
2.14.1

  parent reply	other threads:[~2018-05-01 18:48 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-01 18:48 [PATCH 0/2] RFC: iomap-based swapfile activation Aleksei Besogonov
2018-05-01 18:48 ` [PATCH 1/2] fs: Add iomap_swap_activate Aleksei Besogonov
2018-05-01 20:44   ` kbuild test robot
2018-05-02  1:02   ` kbuild test robot
2018-05-01 18:48 ` Aleksei Besogonov [this message]
2018-05-01 19:16 ` [PATCH 0/2] RFC: iomap-based swapfile activation Eric Sandeen
  -- strict thread matches above, loose matches on Subject: below --
2018-04-20 22:08 [PATCH 0/2] RFC: iomap-based swap file activation Aleksei Besogonov
2018-04-20 22:08 ` [PATCH 2/2] xfs: add support for iomap-based swapfile activation Aleksei Besogonov

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