From: Matthew Wilcox (Oracle) <willy@infradead.org>
Date: Wed, 19 May 2021 22:38:43 +0000 (-0400)
Subject: xfs: Support multi-page folios
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=refs%2Fheads%2Ffolio-iomap;p=users%2Fwilly%2Fpagecache.git

xfs: Support multi-page folios

Now that iomap has been converted, XFS is multi-page folio safe.
Indicate to the VFS that it can now create multi-page folios for XFS.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
---

diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index e1472004170e8..5380a3f001e9f 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -87,6 +87,7 @@ xfs_inode_alloc(
 	/* VFS doesn't initialise i_mode or i_state! */
 	VFS_I(ip)->i_mode = 0;
 	VFS_I(ip)->i_state = 0;
+	mapping_set_large_folios(VFS_I(ip)->i_mapping);
 
 	XFS_STATS_INC(mp, vn_active);
 	ASSERT(atomic_read(&ip->i_pincount) == 0);
@@ -336,6 +337,7 @@ xfs_reinit_inode(
 	inode->i_rdev = dev;
 	inode->i_uid = uid;
 	inode->i_gid = gid;
+	mapping_set_large_folios(inode->i_mapping);
 	return error;
 }