Commit Graph

12 Commits

Author SHA1 Message Date
David Sterba
0fc4bb4d91 btrfs-progs: remove unused subvol_uuid_search_add
After removal of the fallback uuid search code the helper is unused in
the internal code.

Signed-off-by: David Sterba <dsterba@suse.com>
2021-10-08 20:47:04 +02:00
David Sterba
ac5954ee36 btrfs-progs: merge subvol_uuid_search helpers
Due to ambiguity of error values in the public API subvol_uuid_search,
there was second version added. There's a separate copy in libbtrfs and
we don't have to distinguish in the internal code. All callers check for
IS_ERR and NULL, so we can safely merge the helpers into one.

Signed-off-by: David Sterba <dsterba@suse.com>
2021-10-08 20:47:04 +02:00
David Sterba
e491d9cf25 btrfs-progs: simplify struct subvol_uuid_search use
After removing uuid search fallback code the structure has become
trivial and copies the fd that all callers have in their context.

Signed-off-by: David Sterba <dsterba@suse.com>
2021-10-08 20:47:04 +02:00
David Sterba
22f5600649 btrfs-progs: open code subvol_uuid_search_init
The helper is trivial after removing the uuid search fallback code,
open code it.

Signed-off-by: David Sterba <dsterba@suse.com>
2021-10-08 20:47:04 +02:00
David Sterba
f18dbe2bc6 btrfs-progs: remove empty subvol_uuid_search_finit
After the uuid search fallback code has been removed, the finit helper
has become empty and can be removed.

Signed-off-by: David Sterba <dsterba@suse.com>
2021-10-08 20:47:04 +02:00
David Sterba
a8dceec381 btrfs-progs: drop slow subvol uuid search
There's a lot of code under BTRFS_COMPAT_SEND_NO_UUID_TREE to support
kernels < 3.12 that don't have uuid tree and the subvolume uuids are
searched in a slow way, building the uuid tree on the userspace side.

As the uuid tree is always created, the fallback code was not exercised
anyway due to 'uuid_tree_existed' check in subvol_uuid_search2.

Delete the code from the internal copy of send-utils. The support still
stays for libbtrfs and will be removed in the future.

Signed-off-by: David Sterba <dsterba@suse.com>
2021-10-08 20:47:04 +02:00
David Sterba
a1f2dd12ad btrfs-progs: use btrfs_subvolid_resolve instead of btrfs_list_path_for_root
The btrfs_list_* functions come with some overhead and for simple path
resolution we can use btrfs_subvolid_resolve.

Signed-off-by: David Sterba <dsterba@suse.com>
2021-10-08 20:47:03 +02:00
David Sterba
8bb13015bd btrfs-progs: don't include btrfs-list.h unless necessary
We don't need to include this besides btrfs-list.c itself and
subvolume.c that does use the btrfs_list_* API.

Signed-off-by: David Sterba <dsterba@suse.com>
2021-10-08 20:47:03 +02:00
David Sterba
419cb3011c btrfs-progs: open code btrfs_list_get_path_rootid
The function btrfs_list_get_path_rootid is exported to libbtrfs so it
needs to stay, but we can inline the implementation.

Signed-off-by: David Sterba <dsterba@suse.com>
2021-09-08 16:35:47 +02:00
David Sterba
fbc12fd9ec btrfs-progs: move path_cat_out helpers to path-utils
The path-util.[ch] is the right place, keep the send-utils.h prototypes
as it's part of libbtrfs headers.

Signed-off-by: David Sterba <dsterba@suse.com>
2020-11-04 23:26:43 +01:00
David Sterba
abb670f883 btrfs-progs: move ctree.c to kernel-shared/
Signed-off-by: David Sterba <dsterba@suse.com>
2020-08-31 17:01:05 +02:00
David Sterba
cdaf906d68 btrfs-progs: move send-utils.c to common/
Signed-off-by: David Sterba <dsterba@suse.com>
2020-08-31 17:01:04 +02:00