sound: codecs: ac101: Fixed warning when compiling

[platform/kernel/linux-starfive.git] / drivers / md / raid5.h

diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index 16fc294..5c05acf 100644 (file)
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -195,6 +195,7 @@ enum reconstruct_states {
        reconstruct_state_result,
 };
 
+#define DEFAULT_STRIPE_SIZE    4096
 struct stripe_head {
        struct hlist_node       hash;
        struct list_head        lru;          /* inactive_list or handle_list */
@@ -246,6 +247,13 @@ struct stripe_head {
                int                  target, target2;
                enum sum_check_flags zero_sum_result;
        } ops;
+
+#if PAGE_SIZE != DEFAULT_STRIPE_SIZE
+       /* These pages will be used by bios in dev[i] */
+       struct page     **pages;
+       int     nr_pages;       /* page array size */
+       int     stripes_per_page;
+#endif
        struct r5dev {
                /* rreq and rvec are used for the replacement device when
                 * writing data to both devices.
@@ -253,6 +261,7 @@ struct stripe_head {
                struct bio      req, rreq;
                struct bio_vec  vec, rvec;
                struct page     *page, *orig_page;
+               unsigned int    offset;     /* offset of the page */
                struct bio      *toread, *read, *towrite, *written;
                sector_t        sector;                 /* sector of this page */
                unsigned long   flags;
@@ -472,7 +481,6 @@ struct disk_info {
  */
 
 #define NR_STRIPES             256
-#define DEFAULT_STRIPE_SIZE    4096
 
 #if PAGE_SIZE == DEFAULT_STRIPE_SIZE
 #define STRIPE_SIZE            PAGE_SIZE
@@ -771,6 +779,25 @@ static inline int algorithm_is_DDF(int layout)
        return layout >= 8 && layout <= 10;
 }
 
+#if PAGE_SIZE != DEFAULT_STRIPE_SIZE
+/*
+ * Return offset of the corresponding page for r5dev.
+ */
+static inline int raid5_get_page_offset(struct stripe_head *sh, int disk_idx)
+{
+       return (disk_idx % sh->stripes_per_page) * RAID5_STRIPE_SIZE(sh->raid_conf);
+}
+
+/*
+ * Return corresponding page address for r5dev.
+ */
+static inline struct page *
+raid5_get_dev_page(struct stripe_head *sh, int disk_idx)
+{
+       return sh->pages[disk_idx / sh->stripes_per_page];
+}
+#endif
+
 extern void md_raid5_kick_device(struct r5conf *conf);
 extern int raid5_set_cache_size(struct mddev *mddev, int size);
 extern sector_t raid5_compute_blocknr(struct stripe_head *sh, int i, int previous);