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Subject[PATCH v2 09/25] fs: Add a filesystem flag for large pages
Date
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>

The page cache needs to know whether the filesystem supports pages >
PAGE_SIZE.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
include/linux/fs.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/include/linux/fs.h b/include/linux/fs.h
index d4e2d2964346..24e720723afb 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2235,6 +2235,7 @@ struct file_system_type {
#define FS_HAS_SUBTYPE 4
#define FS_USERNS_MOUNT 8 /* Can be mounted by userns root */
#define FS_DISALLOW_NOTIFY_PERM 16 /* Disable fanotify permission events */
+#define FS_LARGE_PAGES 8192 /* Remove once all fs converted */
#define FS_RENAME_DOES_D_MOVE 32768 /* FS will handle d_move() during rename() internally. */
int (*init_fs_context)(struct fs_context *);
const struct fs_parameter_spec *parameters;
--
2.25.0
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