[PATCH v13 128/137] xfs: Support THPs
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: 2021-07-12 04:16:14
Also in:
linux-fsdevel, lkml
Subsystem:
filesystems (vfs and infrastructure), the rest, xfs filesystem · Maintainers:
Alexander Viro, Christian Brauner, Linus Torvalds, Carlos Maiolino
There is one place which assumes the size of a page; fix it. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> --- fs/xfs/xfs_aops.c | 11 ++++++----- fs/xfs/xfs_super.c | 3 ++- 2 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index cb4e0fcf4c76..9ffbd116592a 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c@@ -432,10 +432,11 @@ xfs_discard_page( struct page *page, loff_t fileoff) { - struct inode *inode = page->mapping->host; + struct folio *folio = page_folio(page); + struct inode *inode = folio->mapping->host; struct xfs_inode *ip = XFS_I(inode); struct xfs_mount *mp = ip->i_mount; - unsigned int pageoff = offset_in_page(fileoff); + size_t pageoff = offset_in_folio(folio, fileoff); xfs_fileoff_t start_fsb = XFS_B_TO_FSBT(mp, fileoff); xfs_fileoff_t pageoff_fsb = XFS_B_TO_FSBT(mp, pageoff); int error;
@@ -445,14 +446,14 @@ xfs_discard_page( xfs_alert_ratelimited(mp, "page discard on page "PTR_FMT", inode 0x%llx, offset %llu.", - page, ip->i_ino, fileoff); + folio, ip->i_ino, fileoff); error = xfs_bmap_punch_delalloc_range(ip, start_fsb, - i_blocks_per_page(inode, page) - pageoff_fsb); + i_blocks_per_folio(inode, folio) - pageoff_fsb); if (error && !XFS_FORCED_SHUTDOWN(mp)) xfs_alert(mp, "page discard unable to remove delalloc mapping."); out_invalidate: - iomap_invalidatepage(page, pageoff, PAGE_SIZE - pageoff); + iomap_invalidatepage(&folio->page, pageoff, folio_size(folio) - pageoff); } static const struct iomap_writeback_ops xfs_writeback_ops = {
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 2c9e26a44546..24adea02b887 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c@@ -1891,7 +1891,8 @@ static struct file_system_type xfs_fs_type = { .init_fs_context = xfs_init_fs_context, .parameters = xfs_fs_parameters, .kill_sb = kill_block_super, - .fs_flags = FS_REQUIRES_DEV | FS_ALLOW_IDMAP, + .fs_flags = FS_REQUIRES_DEV | FS_ALLOW_IDMAP | \ + FS_THP_SUPPORT, }; MODULE_ALIAS_FS("xfs");
--
2.30.2