On 1/14/13 6:37 PM, Theodore Ts'o wrote:
> If bigalloc is enabled, then -g will specify the clusters per block
> group. (If bigalloc is not enabled, then a cluster == a block, so the
> meaning of -g is not changed.)
This should be clearly documented in the man page as well, I think.
-Eric
> Signed-off-by: "Theodore Ts'o" <tytso@xxxxxxx>
> ---
> misc/mke2fs.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/misc/mke2fs.c b/misc/mke2fs.c
> index 75d0e48..5cb49b3 100644
> --- a/misc/mke2fs.c
> +++ b/misc/mke2fs.c
> @@ -1962,6 +1962,15 @@ profile_error:
> }
> }
>
> + /*
> + * If the bigalloc feature is enabled, then the -g option will
> + * specify the number of clusters per group.
> + */
> + if (fs_param.s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_BIGALLOC) {
> + fs_param.s_clusters_per_group = fs_param.s_blocks_per_group;
> + fs_param.s_blocks_per_group = 0;
> + }
> +
> if (inode_size == 0)
> inode_size = get_int_from_profile(fs_types, "inode_size", 0);
> if (!flex_bg_size && (fs_param.s_feature_incompat &
>
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