X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Fmd%2Fbitmap.c;fp=drivers%2Fmd%2Fbitmap.c;h=9a35320fb59f774b0e840d934bd2a16422e99f22;hb=f2ec334db8d14ae3ec2e4bf8d974f75b8f772e26;hp=e4fb58db5454d4bfc5cc5257bb74435907b3b3f2;hpb=81e20d4d8d0317ecf1c7d193a52ab26cf74e1737;p=mv-sheeva.git diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index e4fb58db545..9a35320fb59 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -210,11 +210,11 @@ static struct page *read_sb_page(mddev_t *mddev, loff_t offset, || test_bit(Faulty, &rdev->flags)) continue; - target = rdev->sb_start + offset + index * (PAGE_SIZE/512); + target = offset + index * (PAGE_SIZE/512); - if (sync_page_io(rdev->bdev, target, + if (sync_page_io(rdev, target, roundup(size, bdev_logical_block_size(rdev->bdev)), - page, READ)) { + page, READ, true)) { page->index = index; attach_page_buffers(page, NULL); /* so that free_buffer will * quietly no-op */ @@ -264,14 +264,18 @@ static mdk_rdev_t *next_active_rdev(mdk_rdev_t *rdev, mddev_t *mddev) static int write_sb_page(struct bitmap *bitmap, struct page *page, int wait) { mdk_rdev_t *rdev = NULL; + struct block_device *bdev; mddev_t *mddev = bitmap->mddev; while ((rdev = next_active_rdev(rdev, mddev)) != NULL) { int size = PAGE_SIZE; loff_t offset = mddev->bitmap_info.offset; + + bdev = (rdev->meta_bdev) ? rdev->meta_bdev : rdev->bdev; + if (page->index == bitmap->file_pages-1) size = roundup(bitmap->last_page_size, - bdev_logical_block_size(rdev->bdev)); + bdev_logical_block_size(bdev)); /* Just make sure we aren't corrupting data or * metadata */ @@ -343,7 +347,7 @@ static void write_page(struct bitmap *bitmap, struct page *page, int wait) atomic_inc(&bitmap->pending_writes); set_buffer_locked(bh); set_buffer_mapped(bh); - submit_bh(WRITE, bh); + submit_bh(WRITE | REQ_UNPLUG | REQ_SYNC, bh); bh = bh->b_this_page; } @@ -1101,7 +1105,7 @@ static void bitmap_count_page(struct bitmap *bitmap, sector_t offset, int inc) bitmap_checkfree(bitmap, page); } static bitmap_counter_t *bitmap_get_counter(struct bitmap *bitmap, - sector_t offset, int *blocks, + sector_t offset, sector_t *blocks, int create); /* @@ -1115,7 +1119,7 @@ void bitmap_daemon_work(mddev_t *mddev) unsigned long j; unsigned long flags; struct page *page = NULL, *lastpage = NULL; - int blocks; + sector_t blocks; void *paddr; struct dm_dirty_log *log = mddev->bitmap_info.log; @@ -1258,7 +1262,7 @@ void bitmap_daemon_work(mddev_t *mddev) } static bitmap_counter_t *bitmap_get_counter(struct bitmap *bitmap, - sector_t offset, int *blocks, + sector_t offset, sector_t *blocks, int create) __releases(bitmap->lock) __acquires(bitmap->lock) @@ -1316,7 +1320,7 @@ int bitmap_startwrite(struct bitmap *bitmap, sector_t offset, unsigned long sect } while (sectors) { - int blocks; + sector_t blocks; bitmap_counter_t *bmc; spin_lock_irq(&bitmap->lock); @@ -1381,7 +1385,7 @@ void bitmap_endwrite(struct bitmap *bitmap, sector_t offset, unsigned long secto success = 0; while (sectors) { - int blocks; + sector_t blocks; unsigned long flags; bitmap_counter_t *bmc; @@ -1423,7 +1427,7 @@ void bitmap_endwrite(struct bitmap *bitmap, sector_t offset, unsigned long secto } EXPORT_SYMBOL(bitmap_endwrite); -static int __bitmap_start_sync(struct bitmap *bitmap, sector_t offset, int *blocks, +static int __bitmap_start_sync(struct bitmap *bitmap, sector_t offset, sector_t *blocks, int degraded) { bitmap_counter_t *bmc; @@ -1452,7 +1456,7 @@ static int __bitmap_start_sync(struct bitmap *bitmap, sector_t offset, int *bloc return rv; } -int bitmap_start_sync(struct bitmap *bitmap, sector_t offset, int *blocks, +int bitmap_start_sync(struct bitmap *bitmap, sector_t offset, sector_t *blocks, int degraded) { /* bitmap_start_sync must always report on multiples of whole @@ -1463,7 +1467,7 @@ int bitmap_start_sync(struct bitmap *bitmap, sector_t offset, int *blocks, * Return the 'or' of the result. */ int rv = 0; - int blocks1; + sector_t blocks1; *blocks = 0; while (*blocks < (PAGE_SIZE>>9)) { @@ -1476,7 +1480,7 @@ int bitmap_start_sync(struct bitmap *bitmap, sector_t offset, int *blocks, } EXPORT_SYMBOL(bitmap_start_sync); -void bitmap_end_sync(struct bitmap *bitmap, sector_t offset, int *blocks, int aborted) +void bitmap_end_sync(struct bitmap *bitmap, sector_t offset, sector_t *blocks, int aborted) { bitmap_counter_t *bmc; unsigned long flags; @@ -1515,7 +1519,7 @@ void bitmap_close_sync(struct bitmap *bitmap) * RESYNC bit wherever it is still on */ sector_t sector = 0; - int blocks; + sector_t blocks; if (!bitmap) return; while (sector < bitmap->mddev->resync_max_sectors) { @@ -1528,7 +1532,7 @@ EXPORT_SYMBOL(bitmap_close_sync); void bitmap_cond_end_sync(struct bitmap *bitmap, sector_t sector) { sector_t s = 0; - int blocks; + sector_t blocks; if (!bitmap) return; @@ -1542,7 +1546,7 @@ void bitmap_cond_end_sync(struct bitmap *bitmap, sector_t sector) wait_event(bitmap->mddev->recovery_wait, atomic_read(&bitmap->mddev->recovery_active) == 0); - bitmap->mddev->curr_resync_completed = bitmap->mddev->curr_resync; + bitmap->mddev->curr_resync_completed = sector; set_bit(MD_CHANGE_CLEAN, &bitmap->mddev->flags); sector &= ~((1ULL << CHUNK_BLOCK_SHIFT(bitmap)) - 1); s = 0; @@ -1562,7 +1566,7 @@ static void bitmap_set_memory_bits(struct bitmap *bitmap, sector_t offset, int n * be 0 at this point */ - int secs; + sector_t secs; bitmap_counter_t *bmc; spin_lock_irq(&bitmap->lock); bmc = bitmap_get_counter(bitmap, offset, &secs, 1); @@ -1790,7 +1794,7 @@ int bitmap_load(mddev_t *mddev) * All chunks should be clean, but some might need_sync. */ while (sector < mddev->resync_max_sectors) { - int blocks; + sector_t blocks; bitmap_start_sync(bitmap, sector, &blocks, 0); sector += blocks; }