md: raid1-10: move raid1/raid10 common code into raid1-10.c

No function change, just move 'struct resync_pages' and related
helpers into raid1-10.c

Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Shaohua Li <shli@fb.com>

4 files changed, 62 insertions, 71 deletions

diff --git a/drivers/md/md.h b/drivers/md/md.h
index 991769cc3615..09db03455801 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -731,57 +731,4 @@ static inline void mddev_check_write_zeroes(struct mddev *mddev, struct bio *bio
             !bdev_get_queue(bio->bi_bdev)->limits.max_write_zeroes_sectors)
                 mddev->queue->limits.max_write_zeroes_sectors = 0;
 }
-
-/* Maximum size of each resync request */
-#define RESYNC_BLOCK_SIZE (64*1024)
-#define RESYNC_PAGES ((RESYNC_BLOCK_SIZE + PAGE_SIZE-1) / PAGE_SIZE)
-
-/* for managing resync I/O pages */
-struct resync_pages {
-        void            *raid_bio;
-        struct page     *pages[RESYNC_PAGES];
-};
-
-static inline int resync_alloc_pages(struct resync_pages *rp,
-                                     gfp_t gfp_flags)
-{
-        int i;
-
-        for (i = 0; i < RESYNC_PAGES; i++) {
-                rp->pages[i] = alloc_page(gfp_flags);
-                if (!rp->pages[i])
-                        goto out_free;
-        }
-
-        return 0;
-
-out_free:
-        while (--i >= 0)
-                put_page(rp->pages[i]);
-        return -ENOMEM;
-}
-
-static inline void resync_free_pages(struct resync_pages *rp)
-{
-        int i;
-
-        for (i = 0; i < RESYNC_PAGES; i++)
-                put_page(rp->pages[i]);
-}
-
-static inline void resync_get_all_pages(struct resync_pages *rp)
-{
-        int i;
-
-        for (i = 0; i < RESYNC_PAGES; i++)
-                get_page(rp->pages[i]);
-}
-
-static inline struct page *resync_fetch_page(struct resync_pages *rp,
-                                             unsigned idx)
-{
-        if (WARN_ON_ONCE(idx >= RESYNC_PAGES))
-                return NULL;
-        return rp->pages[idx];
-}
 #endif /* _MD_MD_H */
diff --git a/drivers/md/raid1-10.c b/drivers/md/raid1-10.c
index 3adb5b9dc4b4..9f2670b45f31 100644
--- a/drivers/md/raid1-10.c
+++ b/drivers/md/raid1-10.c
@@ -1,3 +1,65 @@
+/* Maximum size of each resync request */
+#define RESYNC_BLOCK_SIZE (64*1024)
+#define RESYNC_PAGES ((RESYNC_BLOCK_SIZE + PAGE_SIZE-1) / PAGE_SIZE)
+
+/* for managing resync I/O pages */
+struct resync_pages {
+        void            *raid_bio;
+        struct page     *pages[RESYNC_PAGES];
+};
+
+static inline int resync_alloc_pages(struct resync_pages *rp,
+                                     gfp_t gfp_flags)
+{
+        int i;
+
+        for (i = 0; i < RESYNC_PAGES; i++) {
+                rp->pages[i] = alloc_page(gfp_flags);
+                if (!rp->pages[i])
+                        goto out_free;
+        }
+
+        return 0;
+
+out_free:
+        while (--i >= 0)
+                put_page(rp->pages[i]);
+        return -ENOMEM;
+}
+
+static inline void resync_free_pages(struct resync_pages *rp)
+{
+        int i;
+
+        for (i = 0; i < RESYNC_PAGES; i++)
+                put_page(rp->pages[i]);
+}
+
+static inline void resync_get_all_pages(struct resync_pages *rp)
+{
+        int i;
+
+        for (i = 0; i < RESYNC_PAGES; i++)
+                get_page(rp->pages[i]);
+}
+
+static inline struct page *resync_fetch_page(struct resync_pages *rp,
+                                             unsigned idx)
+{
+        if (WARN_ON_ONCE(idx >= RESYNC_PAGES))
+                return NULL;
+        return rp->pages[idx];
+}
+
+/*
+ * 'strct resync_pages' stores actual pages used for doing the resync
+ *  IO, and it is per-bio, so make .bi_private points to it.
+ */
+static inline struct resync_pages *get_resync_pages(struct bio *bio)
+{
+        return bio->bi_private;
+}
+
 /* generally called after bio_reset() for reseting bvec */
 static void md_bio_reset_resync_pages(struct bio *bio, struct resync_pages *rp,
                                int size)
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index fe86ab18961b..8387eb1540cd 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -84,15 +84,6 @@ static void lower_barrier(struct r1conf *conf, sector_t sector_nr);
 #include "raid1-10.c"
 
 /*
- * 'strct resync_pages' stores actual pages used for doing the resync
- *  IO, and it is per-bio, so make .bi_private points to it.
- */
-static inline struct resync_pages *get_resync_pages(struct bio *bio)
-{
-        return bio->bi_private;
-}
-
-/*
  * for resync bio, r1bio pointer can be retrieved from the per-bio
  * 'struct resync_pages'.
  */
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 9952721e1cde..e2617d0f37dc 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -113,15 +113,6 @@ static void end_reshape(struct r10conf *conf);
 #include "raid1-10.c"
 
 /*
- * 'strct resync_pages' stores actual pages used for doing the resync
- *  IO, and it is per-bio, so make .bi_private points to it.
- */
-static inline struct resync_pages *get_resync_pages(struct bio *bio)
-{
-        return bio->bi_private;
-}
-
-/*
  * for resync bio, r10bio pointer can be retrieved from the per-bio
  * 'struct resync_pages'.
  */