diff options
Diffstat (limited to 'drivers/md/bitmap.c')
| -rw-r--r-- | drivers/md/bitmap.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index 40f3cd7eab0f..d2121637b4ab 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -625,7 +625,7 @@ re_read: err = read_sb_page(bitmap->mddev, offset, sb_page, - 0, sizeof(bitmap_super_t)); + 0, PAGE_SIZE); } if (err) return err; @@ -2058,6 +2058,11 @@ int bitmap_resize(struct bitmap *bitmap, sector_t blocks, long pages; struct bitmap_page *new_bp; + if (bitmap->storage.file && !init) { + pr_info("md: cannot resize file-based bitmap\n"); + return -EINVAL; + } + if (chunksize == 0) { /* If there is enough space, leave the chunk size unchanged, * else increase by factor of two until there is enough space. @@ -2118,7 +2123,7 @@ int bitmap_resize(struct bitmap *bitmap, sector_t blocks, if (store.sb_page && bitmap->storage.sb_page) memcpy(page_address(store.sb_page), page_address(bitmap->storage.sb_page), - sizeof(bitmap_super_t)); + PAGE_SIZE); bitmap_file_unmap(&bitmap->storage); bitmap->storage = store; |