| From | Matthew Wilcox <> | Subject | [PATCH v2 09/25] fs: Add a filesystem flag for large pages | Date | Tue, 11 Feb 2020 20:18:29 -0800 |
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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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