diff options
Diffstat (limited to 'fs/btrfs/disk-io.c')
| -rw-r--r-- | fs/btrfs/disk-io.c | 12 | 
1 files changed, 12 insertions, 0 deletions
| diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 811d9f918b1c..534266fe505f 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -2260,6 +2260,12 @@ int open_ctree(struct super_block *sb,  		goto fail_sb_buffer;  	} +	if (sectorsize < PAGE_SIZE) { +		printk(KERN_WARNING "btrfs: Incompatible sector size " +		       "found on %s\n", sb->s_id); +		goto fail_sb_buffer; +	} +  	mutex_lock(&fs_info->chunk_mutex);  	ret = btrfs_read_sys_array(tree_root);  	mutex_unlock(&fs_info->chunk_mutex); @@ -2301,6 +2307,12 @@ int open_ctree(struct super_block *sb,  	btrfs_close_extra_devices(fs_devices); +	if (!fs_devices->latest_bdev) { +		printk(KERN_CRIT "btrfs: failed to read devices on %s\n", +		       sb->s_id); +		goto fail_tree_roots; +	} +  retry_root_backup:  	blocksize = btrfs_level_size(tree_root,  				     btrfs_super_root_level(disk_super)); | 
