Merge pull request #1641 from poettering/btrfs-quota

btrfs quota beef up and various other unrelated changes

1 files changed, 55 insertions, 18 deletions

diff --git a/src/basic/btrfs-util.h b/src/basic/btrfs-util.h
index ad7c7009ab..fc9efd72d5 100644
--- a/src/basic/btrfs-util.h
+++ b/src/basic/btrfs-util.h
@@ -47,45 +47,82 @@ typedef enum BtrfsSnapshotFlags {
         BTRFS_SNAPSHOT_FALLBACK_COPY = 1,
         BTRFS_SNAPSHOT_READ_ONLY = 2,
         BTRFS_SNAPSHOT_RECURSIVE = 4,
+        BTRFS_SNAPSHOT_QUOTA = 8,
 } BtrfsSnapshotFlags;
 
+typedef enum BtrfsRemoveFlags {
+        BTRFS_REMOVE_RECURSIVE = 1,
+        BTRFS_REMOVE_QUOTA = 2,
+} BtrfsRemoveFlags;
+
 int btrfs_is_filesystem(int fd);
 int btrfs_is_subvol(int fd);
 
+int btrfs_reflink(int infd, int outfd);
+int btrfs_clone_range(int infd, uint64_t in_offset, int ofd, uint64_t out_offset, uint64_t sz);
+
+int btrfs_get_block_device_fd(int fd, dev_t *dev);
+int btrfs_get_block_device(const char *path, dev_t *dev);
+
+int btrfs_defrag_fd(int fd);
+int btrfs_defrag(const char *p);
+
+int btrfs_quota_enable_fd(int fd, bool b);
+int btrfs_quota_enable(const char *path, bool b);
+
+int btrfs_quota_scan_start(int fd);
+int btrfs_quota_scan_wait(int fd);
+int btrfs_quota_scan_ongoing(int fd);
+
+int btrfs_resize_loopback_fd(int fd, uint64_t size, bool grow_only);
+int btrfs_resize_loopback(const char *path, uint64_t size, bool grow_only);
+
 int btrfs_subvol_make(const char *path);
 int btrfs_subvol_make_label(const char *path);
 
 int btrfs_subvol_snapshot_fd(int old_fd, const char *new_path, BtrfsSnapshotFlags flags);
 int btrfs_subvol_snapshot(const char *old_path, const char *new_path, BtrfsSnapshotFlags flags);
 
+int btrfs_subvol_remove(const char *path, BtrfsRemoveFlags flags);
+int btrfs_subvol_remove_fd(int fd, const char *subvolume, BtrfsRemoveFlags flags);
+
 int btrfs_subvol_set_read_only_fd(int fd, bool b);
 int btrfs_subvol_set_read_only(const char *path, bool b);
 int btrfs_subvol_get_read_only_fd(int fd);
+
 int btrfs_subvol_get_id(int fd, const char *subvolume, uint64_t *ret);
 int btrfs_subvol_get_id_fd(int fd, uint64_t *ret);
-int btrfs_subvol_get_info_fd(int fd, BtrfsSubvolInfo *info);
-int btrfs_subvol_get_quota_fd(int fd, BtrfsQuotaInfo *quota);
+int btrfs_subvol_get_parent(int fd, uint64_t subvol_id, uint64_t *ret);
 
-int btrfs_reflink(int infd, int outfd);
-int btrfs_clone_range(int infd, uint64_t in_offset, int ofd, uint64_t out_offset, uint64_t sz);
+int btrfs_subvol_get_info_fd(int fd, uint64_t subvol_id, BtrfsSubvolInfo *info);
 
-int btrfs_get_block_device_fd(int fd, dev_t *dev);
-int btrfs_get_block_device(const char *path, dev_t *dev);
+int btrfs_subvol_find_subtree_qgroup(int fd, uint64_t subvol_id, uint64_t *ret);
 
-int btrfs_defrag_fd(int fd);
-int btrfs_defrag(const char *p);
+int btrfs_subvol_get_subtree_quota(const char *path, uint64_t subvol_id, BtrfsQuotaInfo *quota);
+int btrfs_subvol_get_subtree_quota_fd(int fd, uint64_t subvol_id, BtrfsQuotaInfo *quota);
 
-int btrfs_quota_enable_fd(int fd, bool b);
-int btrfs_quota_enable(const char *path, bool b);
+int btrfs_subvol_set_subtree_quota_limit(const char *path, uint64_t subvol_id, uint64_t referenced_max);
+int btrfs_subvol_set_subtree_quota_limit_fd(int fd, uint64_t subvol_id, uint64_t referenced_max);
 
-int btrfs_quota_limit_fd(int fd, uint64_t referenced_max);
-int btrfs_quota_limit(const char *path, uint64_t referenced_max);
+int btrfs_subvol_auto_qgroup_fd(int fd, uint64_t subvol_id, bool new_qgroup);
+int btrfs_subvol_auto_qgroup(const char *path, uint64_t subvol_id, bool create_intermediary_qgroup);
 
-int btrfs_resize_loopback_fd(int fd, uint64_t size, bool grow_only);
-int btrfs_resize_loopback(const char *path, uint64_t size, bool grow_only);
+int btrfs_qgroupid_make(uint64_t level, uint64_t id, uint64_t *ret);
+int btrfs_qgroupid_split(uint64_t qgroupid, uint64_t *level, uint64_t *id);
+
+int btrfs_qgroup_create(int fd, uint64_t qgroupid);
+int btrfs_qgroup_destroy(int fd, uint64_t qgroupid);
+int btrfs_qgroup_destroy_recursive(int fd, uint64_t qgroupid);
+
+int btrfs_qgroup_set_limit_fd(int fd, uint64_t qgroupid, uint64_t referenced_max);
+int btrfs_qgroup_set_limit(const char *path, uint64_t qgroupid, uint64_t referenced_max);
+
+int btrfs_qgroup_copy_limits(int fd, uint64_t old_qgroupid, uint64_t new_qgroupid);
+
+int btrfs_qgroup_assign(int fd, uint64_t child, uint64_t parent);
+int btrfs_qgroup_unassign(int fd, uint64_t child, uint64_t parent);
 
-int btrfs_subvol_remove(const char *path, bool recursive);
-int btrfs_subvol_remove_fd(int fd, const char *subvolume, bool recursive);
+int btrfs_qgroup_find_parents(int fd, uint64_t qgroupid, uint64_t **ret);
 
-int btrfs_qgroup_create(int fd, uint64_t level, uint64_t id);
-int btrfs_qgroup_destroy(int fd, uint64_t level, uint64_t id);
+int btrfs_qgroup_get_quota_fd(int fd, uint64_t qgroupid, BtrfsQuotaInfo *quota);
+int btrfs_qgroup_get_quota(const char *path, uint64_t qgroupid, BtrfsQuotaInfo *quota);