diff options
Diffstat (limited to 'fs/btrfs/super.c')
| -rw-r--r-- | fs/btrfs/super.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 2dc4a6fcd7..b693a073fc 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -7,6 +7,7 @@ #include "btrfs.h" #include <memalign.h> +#include <linux/compat.h> #define BTRFS_SUPER_FLAG_SUPP (BTRFS_HEADER_FLAG_WRITTEN \ | BTRFS_HEADER_FLAG_RELOC \ @@ -232,6 +233,13 @@ int btrfs_read_superblock(void) return -1; } + if (sb->sectorsize != PAGE_SIZE) { + printf( + "%s: Unsupported sector size (%u), only supports %u as sector size\n", + __func__, sb->sectorsize, PAGE_SIZE); + return -1; + } + if (btrfs_info.sb.num_devices != 1) { printf("%s: Unsupported number of devices (%lli). This driver " "only supports filesystem on one device.\n", __func__, |