Hi,
> To improve the code reuse its better to have btrfs_list_subvols
> just return list of subvols witout printing
>
> Signed-off-by: Anand Jain <[email protected]>
> ---
> btrfs-list.c | 28 ++++++++++++++++++----------
> btrfs-list.h | 2 +-
> cmds-subvolume.c | 4 ++--
> 3 files changed, 21 insertions(+), 13 deletions(-)
>
> diff --git a/btrfs-list.c b/btrfs-list.c
> index cb42fbc..b404e1d 100644
> --- a/btrfs-list.c
> +++ b/btrfs-list.c
> @@ -1439,15 +1439,11 @@ static void print_all_volume_info(struct root_lookup
> *sorted_tree,
> }
> }
>
> -int btrfs_list_subvols(int fd, struct btrfs_list_filter_set *filter_set,
> - struct btrfs_list_comparer_set *comp_set,
> - int is_tab_result)
> +int btrfs_list_subvols(int fd, struct root_lookup *root_lookup)
> {
> - struct root_lookup root_lookup;
> - struct root_lookup root_sort;
> int ret;
>
> - ret = __list_subvol_search(fd, &root_lookup);
> + ret = __list_subvol_search(fd, root_lookup);
> if (ret) {
> fprintf(stderr, "ERROR: can't perform the search - %s\n",
> strerror(errno));
> @@ -1458,16 +1454,28 @@ int btrfs_list_subvols(int fd, struct
> btrfs_list_filter_set *filter_set,
> * now we have an rbtree full of root_info objects, but we need to fill
> * in their path names within the subvol that is referencing each one.
> */
> - ret = __list_subvol_fill_paths(fd, &root_lookup);
> - if (ret < 0)
> - return ret;
> + ret = __list_subvol_fill_paths(fd, root_lookup);
> + return ret;
> +}
>
> +int btrfs_list_subvols_print(int fd, struct btrfs_list_filter_set
> *filter_set,
> + struct btrfs_list_comparer_set *comp_set,
> + int is_tab_result)
> +{
> + struct root_lookup root_lookup;
> + struct root_lookup root_sort;
> + int ret;
> +
> + ret = btrfs_list_subvols(fd, &root_lookup);
> + if (ret)
> + return ret;
> __filter_and_sort_subvol(&root_lookup, &root_sort, filter_set,
> comp_set, fd);
>
> print_all_volume_info(&root_sort, is_tab_result);
> __free_all_subvolumn(&root_lookup);
Here we forget to free filter and comp_set before..i hope you can add it to
your patchset..
Maybe you can have patch 13...
if (filter_set)
btrfs_list_free_filter_set(filter_set);
if (comp_set)
btrfs_list_free_comparer_set(comp_set);
Thanks,
Wang
> - return ret;
> +
> + return 0;
> }
>
> static int print_one_extent(int fd, struct btrfs_ioctl_search_header *sh,
> diff --git a/btrfs-list.h b/btrfs-list.h
> index cde4b3c..71fe0f3 100644
> --- a/btrfs-list.h
> +++ b/btrfs-list.h
> @@ -98,7 +98,7 @@ int btrfs_list_setup_comparer(struct
> btrfs_list_comparer_set **comp_set,
> enum btrfs_list_comp_enum comparer,
> int is_descending);
>
> -int btrfs_list_subvols(int fd, struct btrfs_list_filter_set *filter_set,
> +int btrfs_list_subvols_print(int fd, struct btrfs_list_filter_set
> *filter_set,
> struct btrfs_list_comparer_set *comp_set,
> int is_tab_result);
> int btrfs_list_find_updated_files(int fd, u64 root_id, u64 oldest_gen);
> diff --git a/cmds-subvolume.c b/cmds-subvolume.c
> index e3cdb1e..c35dff7 100644
> --- a/cmds-subvolume.c
> +++ b/cmds-subvolume.c
> @@ -406,7 +406,7 @@ static int cmd_subvol_list(int argc, char **argv)
> BTRFS_LIST_FILTER_TOPID_EQUAL,
> top_id);
>
> - ret = btrfs_list_subvols(fd, filter_set, comparer_set,
> + ret = btrfs_list_subvols_print(fd, filter_set, comparer_set,
> is_tab_result);
> if (ret)
> return 19;
> @@ -613,7 +613,7 @@ static int cmd_subvol_get_default(int argc, char **argv)
> btrfs_list_setup_filter(&filter_set, BTRFS_LIST_FILTER_ROOTID,
> default_id);
>
> - ret = btrfs_list_subvols(fd, filter_set, NULL, 0);
> + ret = btrfs_list_subvols_print(fd, filter_set, NULL, 0);
> if (ret)
> return 19;
> return 0;
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