This patch allows mounting filesystems with blocksize smaller than the PAGE_SIZE.
Signed-off-by: Chandan Rajendra <[email protected]> --- fs/btrfs/disk-io.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 9800888..5dea6b4 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -2816,12 +2816,6 @@ int open_ctree(struct super_block *sb, goto fail_sb_buffer; } - if (sectorsize != PAGE_SIZE) { - printk(KERN_ERR "BTRFS: incompatible sector size (%lu) " - "found on %s\n", (unsigned long)sectorsize, 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); @@ -3963,13 +3957,13 @@ static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info, * Check the lower bound, the alignment and other constraints are * checked later. */ - if (btrfs_super_nodesize(sb) < 4096) { - printk(KERN_ERR "BTRFS: nodesize too small: %u < 4096\n", + if (btrfs_super_nodesize(sb) < 2048) { + printk(KERN_ERR "BTRFS: nodesize too small: %u < 2048\n", btrfs_super_nodesize(sb)); ret = -EINVAL; } - if (btrfs_super_sectorsize(sb) < 4096) { - printk(KERN_ERR "BTRFS: sectorsize too small: %u < 4096\n", + if (btrfs_super_sectorsize(sb) < 2048) { + printk(KERN_ERR "BTRFS: sectorsize too small: %u < 2048\n", btrfs_super_sectorsize(sb)); ret = -EINVAL; } -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
