diff options
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/bitmap.c | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index 69a6f256ce35..689623c3cffa 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -1146,6 +1146,7 @@ void bitmap_write_all(struct bitmap *bitmap) for (i = 0; i < bitmap->file_pages; i++) set_page_attr(bitmap, bitmap->filemap[i], BITMAP_PAGE_NEEDWRITE); + bitmap->allclean = 0; } static void bitmap_count_page(struct bitmap *bitmap, sector_t offset, int inc) @@ -1211,10 +1212,8 @@ void bitmap_daemon_work(mddev_t *mddev) clear_page_attr(bitmap, page, BITMAP_PAGE_NEEDWRITE); spin_unlock_irqrestore(&bitmap->lock, flags); - if (need_write) { + if (need_write) write_page(bitmap, page, 0); - bitmap->allclean = 0; - } spin_lock_irqsave(&bitmap->lock, flags); j |= (PAGE_BITS - 1); continue; @@ -1222,12 +1221,16 @@ void bitmap_daemon_work(mddev_t *mddev) /* grab the new page, sync and release the old */ if (lastpage != NULL) { - if (test_page_attr(bitmap, lastpage, BITMAP_PAGE_NEEDWRITE)) { - clear_page_attr(bitmap, lastpage, BITMAP_PAGE_NEEDWRITE); + if (test_page_attr(bitmap, lastpage, + BITMAP_PAGE_NEEDWRITE)) { + clear_page_attr(bitmap, lastpage, + BITMAP_PAGE_NEEDWRITE); spin_unlock_irqrestore(&bitmap->lock, flags); write_page(bitmap, lastpage, 0); } else { - set_page_attr(bitmap, lastpage, BITMAP_PAGE_NEEDWRITE); + set_page_attr(bitmap, lastpage, + BITMAP_PAGE_NEEDWRITE); + bitmap->allclean = 0; spin_unlock_irqrestore(&bitmap->lock, flags); } } else @@ -1250,6 +1253,8 @@ void bitmap_daemon_work(mddev_t *mddev) spin_lock_irqsave(&bitmap->lock, flags); if (!bitmap->need_sync) clear_page_attr(bitmap, page, BITMAP_PAGE_PENDING); + else + bitmap->allclean = 0; } bmc = bitmap_get_counter(bitmap, (sector_t)j << CHUNK_BLOCK_SHIFT(bitmap), @@ -1257,8 +1262,6 @@ void bitmap_daemon_work(mddev_t *mddev) if (!bmc) j |= PAGE_COUNTER_MASK; else if (*bmc) { - bitmap->allclean = 0; - if (*bmc == 1 && !bitmap->need_sync) { /* we can clear the bit */ *bmc = 0; @@ -1280,6 +1283,7 @@ void bitmap_daemon_work(mddev_t *mddev) } else if (*bmc <= 2) { *bmc = 1; /* maybe clear the bit next time */ set_page_attr(bitmap, page, BITMAP_PAGE_PENDING); + bitmap->allclean = 0; } } } @@ -1294,6 +1298,7 @@ void bitmap_daemon_work(mddev_t *mddev) write_page(bitmap, lastpage, 0); } else { set_page_attr(bitmap, lastpage, BITMAP_PAGE_NEEDWRITE); + bitmap->allclean = 0; spin_unlock_irqrestore(&bitmap->lock, flags); } } @@ -1407,7 +1412,6 @@ int bitmap_startwrite(struct bitmap *bitmap, sector_t offset, unsigned long sect else sectors = 0; } - bitmap->allclean = 0; return 0; } EXPORT_SYMBOL(bitmap_startwrite); @@ -1453,13 +1457,14 @@ void bitmap_endwrite(struct bitmap *bitmap, sector_t offset, unsigned long secto wake_up(&bitmap->overflow_wait); (*bmc)--; - if (*bmc <= 2) + if (*bmc <= 2) { set_page_attr(bitmap, filemap_get_page( bitmap, offset >> CHUNK_BLOCK_SHIFT(bitmap)), BITMAP_PAGE_PENDING); - + bitmap->allclean = 0; + } spin_unlock_irqrestore(&bitmap->lock, flags); offset += blocks; if (sectors > blocks) @@ -1495,7 +1500,6 @@ static int __bitmap_start_sync(struct bitmap *bitmap, sector_t offset, sector_t } } spin_unlock_irq(&bitmap->lock); - bitmap->allclean = 0; return rv; } @@ -1543,15 +1547,16 @@ void bitmap_end_sync(struct bitmap *bitmap, sector_t offset, sector_t *blocks, i if (!NEEDED(*bmc) && aborted) *bmc |= NEEDED_MASK; else { - if (*bmc <= 2) + if (*bmc <= 2) { set_page_attr(bitmap, filemap_get_page(bitmap, offset >> CHUNK_BLOCK_SHIFT(bitmap)), BITMAP_PAGE_PENDING); + bitmap->allclean = 0; + } } } unlock: spin_unlock_irqrestore(&bitmap->lock, flags); - bitmap->allclean = 0; } EXPORT_SYMBOL(bitmap_end_sync); @@ -1623,9 +1628,9 @@ static void bitmap_set_memory_bits(struct bitmap *bitmap, sector_t offset, int n bitmap_count_page(bitmap, offset, 1); page = filemap_get_page(bitmap, offset >> CHUNK_BLOCK_SHIFT(bitmap)); set_page_attr(bitmap, page, BITMAP_PAGE_PENDING); + bitmap->allclean = 0; } spin_unlock_irq(&bitmap->lock); - bitmap->allclean = 0; } /* dirty the memory and file bits for bitmap chunks "s" to "e" */ |