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authorWeichao Guo <guoweichao@huawei.com>2016-09-20 05:03:27 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2016-09-30 17:34:23 -0700
commit5b7a487cf32d3a266fea83d590d3226b5ad817a7 (patch)
treeb94819fd074d9e312a10f0fd2259e9295b008418 /fs/f2fs/checkpoint.c
parentaaec2b1d18792a5f27b69ff37f34f43f89f5aa3b (diff)
f2fs: add customized migrate_page callback
This patch improves the migration of dirty pages and allows migrating atomic written pages that F2FS uses in Page Cache. Instead of the fallback releasing page path, it provides better performance for memory compaction, CMA and other users of memory page migrating. For dirty pages, there is no need to write back first when migrating. For an atomic written page before committing, we can migrate the page and update the related 'inmem_pages' list at the same time. Signed-off-by: Weichao Guo <guoweichao@huawei.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> [Jaegeuk Kim: fix some coding style] Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/checkpoint.c')
-rw-r--r--fs/f2fs/checkpoint.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 591db95222d1..64e389285f54 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -388,6 +388,9 @@ const struct address_space_operations f2fs_meta_aops = {
.set_page_dirty = f2fs_set_meta_page_dirty,
.invalidatepage = f2fs_invalidate_page,
.releasepage = f2fs_release_page,
+#ifdef CONFIG_MIGRATION
+ .migratepage = f2fs_migrate_page,
+#endif
};
static void __add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type)