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Diffstat (limited to 'btrfs-list.c')
-rw-r--r--btrfs-list.c37
1 files changed, 26 insertions, 11 deletions
diff --git a/btrfs-list.c b/btrfs-list.c
index 929f19fe..201f3784 100644
--- a/btrfs-list.c
+++ b/btrfs-list.c
@@ -59,6 +59,9 @@ struct root_info {
/* equal the offset of the root's key */
u64 root_offset;
+ /* flags of the root */
+ u64 flags;
+
/* the id of the root that references this one */
u64 ref_tree;
@@ -394,9 +397,9 @@ static struct root_info *root_tree_search(struct root_lookup *root_tree,
}
static int update_root(struct root_lookup *root_lookup,
- u64 root_id, u64 ref_tree, u64 root_offset, u64 dir_id,
- char *name, int name_len, u64 ogen, u64 gen, time_t ot,
- void *uuid)
+ u64 root_id, u64 ref_tree, u64 root_offset, u64 flags,
+ u64 dir_id, char *name, int name_len, u64 ogen, u64 gen,
+ time_t ot, void *uuid)
{
struct root_info *ri;
@@ -419,6 +422,8 @@ static int update_root(struct root_lookup *root_lookup,
ri->ref_tree = ref_tree;
if (root_offset)
ri->root_offset = root_offset;
+ if (flags)
+ ri->flags = flags;
if (dir_id)
ri->dir_id = dir_id;
if (gen)
@@ -450,15 +455,15 @@ static int update_root(struct root_lookup *root_lookup,
* uuid: uuid of the root
*/
static int add_root(struct root_lookup *root_lookup,
- u64 root_id, u64 ref_tree, u64 root_offset, u64 dir_id,
- char *name, int name_len, u64 ogen, u64 gen, time_t ot,
- void *uuid)
+ u64 root_id, u64 ref_tree, u64 root_offset, u64 flags,
+ u64 dir_id, char *name, int name_len, u64 ogen, u64 gen,
+ time_t ot, void *uuid)
{
struct root_info *ri;
int ret;
- ret = update_root(root_lookup, root_id, ref_tree, root_offset, dir_id,
- name, name_len, ogen, gen, ot, uuid);
+ ret = update_root(root_lookup, root_id, ref_tree, root_offset, flags,
+ dir_id, name, name_len, ogen, gen, ot, uuid);
if (!ret)
return 0;
@@ -485,6 +490,8 @@ static int add_root(struct root_lookup *root_lookup,
ri->dir_id = dir_id;
if (root_offset)
ri->root_offset = root_offset;
+ if (flags)
+ ri->flags = flags;
if (gen)
ri->gen = gen;
if (ogen)
@@ -961,6 +968,7 @@ static int __list_subvol_search(int fd, struct root_lookup *root_lookup)
u64 dir_id;
u64 gen = 0;
u64 ogen;
+ u64 flags;
int i;
time_t t;
u8 uuid[BTRFS_UUID_SIZE];
@@ -1016,11 +1024,12 @@ static int __list_subvol_search(int fd, struct root_lookup *root_lookup)
dir_id = btrfs_stack_root_ref_dirid(ref);
add_root(root_lookup, sh->objectid, sh->offset,
- 0, dir_id, name, name_len, 0, 0, 0,
+ 0, 0, dir_id, name, name_len, 0, 0, 0,
NULL);
} else if (sh->type == BTRFS_ROOT_ITEM_KEY) {
ri = (struct btrfs_root_item *)(args.buf + off);
gen = btrfs_root_generation(ri);
+ flags = btrfs_root_flags(ri);
if(sh->len >
sizeof(struct btrfs_root_item_v0)) {
t = ri->otime.sec;
@@ -1033,8 +1042,8 @@ static int __list_subvol_search(int fd, struct root_lookup *root_lookup)
}
add_root(root_lookup, sh->objectid, 0,
- sh->offset, 0, NULL, 0, ogen, gen, t,
- uuid);
+ sh->offset, flags, 0, NULL, 0, ogen,
+ gen, t, uuid);
}
off += sh->len;
@@ -1077,9 +1086,15 @@ static int filter_snapshot(struct root_info *ri, u64 data)
return !!ri->root_offset;
}
+static int filter_flags(struct root_info *ri, u64 flags)
+{
+ return ri->flags & flags;
+}
+
static btrfs_list_filter_func all_filter_funcs[] = {
[BTRFS_LIST_FILTER_ROOTID] = filter_by_rootid,
[BTRFS_LIST_FILTER_SNAPSHOT_ONLY] = filter_snapshot,
+ [BTRFS_LIST_FILTER_FLAGS] = filter_flags,
};
struct btrfs_list_filter_set *btrfs_list_alloc_filter_set(void)