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btrfs-progs: subvol list: add simplified helper for adding root backrefs

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Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2016-10-31 12:27:08 +01:00
parent 1aeb6baee3
commit e573142d37
1 changed files with 15 additions and 3 deletions
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18
btrfs-list.c
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@ -519,6 +519,18 @@ static int add_root(struct root_lookup *root_lookup,
return 0;
}
/*
* Simplified add_root for back references, omits the uuid and original info
* parameters, root offset and flags.
*/
static int add_root_backref(struct root_lookup *root_lookup, u64 root_id,
u64 ref_tree, u64 dir_id, char *name, int name_len)
{
return add_root(root_lookup, root_id, ref_tree, 0, 0, dir_id, name,
name_len, 0, 0, 0, NULL, NULL, NULL);
}
static void free_root_info(struct rb_node *node)
{
struct root_info *ri;
@ -1009,9 +1021,9 @@ static int list_subvol_search(int fd, struct root_lookup *root_lookup)
name = (char *)(ref + 1);
dir_id = btrfs_stack_root_ref_dirid(ref);
add_root(root_lookup, sh.objectid, sh.offset,
0, 0, dir_id, name, name_len, 0, 0, 0,
NULL, NULL, NULL);
add_root_backref(root_lookup, sh.objectid,
sh.offset, dir_id, name,
name_len);
} else if (sh.type == BTRFS_ROOT_ITEM_KEY) {
time_t otime;