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Btrfs-progs: move printing subvol list outside of btrfs_list_subvols

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To improve the code reuse its better to have btrfs_list_subvols
just return list of subvols witout printing

Signed-off-by: Anand Jain <anand.jain@oracle.com>
This commit is contained in:
Anand Jain 2013-02-01 15:56:20 +08:00 committed by David Sterba
parent 8c2b1be428
commit 93b3fd3879
3 changed files with 22 additions and 14 deletions
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30
btrfs-list.c
View File

@ -1453,16 +1453,11 @@ 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 full_path)
int btrfs_list_subvols(int fd, struct root_lookup *root_lookup)
{
struct root_lookup root_lookup;
struct root_lookup root_sort;
int ret;
u64 top_id = (full_path ? 0 : btrfs_list_get_path_rootid(fd));
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));
@ -1473,16 +1468,29 @@ 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, int full_path)
{
struct root_lookup root_lookup;
struct root_lookup root_sort;
int ret;
u64 top_id = (full_path ? 0 : btrfs_list_get_path_rootid(fd));
ret = btrfs_list_subvols(fd, &root_lookup);
if (ret)
return ret;
__filter_and_sort_subvol(&root_lookup, &root_sort, filter_set,
comp_set, top_id);
print_all_volume_info(&root_sort, is_tab_result);
__free_all_subvolumn(&root_lookup);
return ret;
return 0;
}
static int print_one_extent(int fd, struct btrfs_ioctl_search_header *sh,

2
btrfs-list.h
View File

@ -99,7 +99,7 @@ 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 full_path);
int btrfs_list_find_updated_files(int fd, u64 root_id, u64 oldest_gen);

4
cmds-subvolume.c
View File

@ -418,7 +418,7 @@ 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,
!is_list_all && !is_only_in_path);
if (ret)
@ -626,7 +626,7 @@ 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, 1);
ret = btrfs_list_subvols_print(fd, filter_set, NULL, 0, 1);
if (ret)
return 19;
return 0;