[PATCH 21/21] xfs: Support multi-page folios

From: Matthew Wilcox (Oracle)
Date: Mon Nov 01 2021 - 17:17:14 EST


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@xxxxxxxxxxxxx>
---
fs/xfs/xfs_icache.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index f2210d927481..804507c82455 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;
}

--
2.33.0