diff options
Diffstat (limited to 'fs/btrfs/disk-io.c')
| -rw-r--r-- | fs/btrfs/disk-io.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index a59ab7b9aea0..2f9515dccce0 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -3392,11 +3392,16 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device goto fail_alloc; } - /* For 4K sector size support, it's only read-only */ - if (PAGE_SIZE == SZ_64K && sectorsize == SZ_4K) { - if (!sb_rdonly(sb) || btrfs_super_log_root(disk_super)) { + if (sectorsize != PAGE_SIZE) { + btrfs_warn(fs_info, + "read-write for sector size %u with page size %lu is experimental", + sectorsize, PAGE_SIZE); + } + if (sectorsize != PAGE_SIZE) { + if (btrfs_super_incompat_flags(fs_info->super_copy) & + BTRFS_FEATURE_INCOMPAT_RAID56) { btrfs_err(fs_info, - "subpage sectorsize %u only supported read-only for page size %lu", + "RAID56 is not yet supported for sector size %u with page size %lu", sectorsize, PAGE_SIZE); err = -EINVAL; goto fail_alloc; |