btrfs: add support for recursive btrfs snapshotting

[elogind.git] / src / shared / btrfs-util.h

diff --git a/src/shared/btrfs-util.h b/src/shared/btrfs-util.h
index e654a3fea16782217e6e2a3d7e7b3812051e17d1..02e46e30eaf8735eb301cef25bb10fc82833f111 100644 (file)
--- a/src/shared/btrfs-util.h
+++ b/src/shared/btrfs-util.h
@@ -37,18 +37,25 @@ typedef struct BtrfsSubvolInfo {
 } BtrfsSubvolInfo;
 
 typedef struct BtrfsQuotaInfo {
-        uint64_t referred;
+        uint64_t referenced;
         uint64_t exclusive;
-        uint64_t referred_max;
+        uint64_t referenced_max;
         uint64_t exclusive_max;
 } BtrfsQuotaInfo;
 
+typedef enum BtrfsSnapshotFlags {
+        BTRFS_SNAPSHOT_FALLBACK_COPY = 1,
+        BTRFS_SNAPSHOT_READ_ONLY = 2,
+        BTRFS_SNAPSHOT_RECURSIVE = 4,
+} BtrfsSnapshotFlags;
+
 int btrfs_is_snapshot(int fd);
 
 int btrfs_subvol_make(const char *path);
 int btrfs_subvol_make_label(const char *path);
-int btrfs_subvol_remove(const char *path);
-int btrfs_subvol_snapshot(const char *old_path, const char *new_path, bool read_only, bool fallback_copy);
+
+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_set_read_only_fd(int fd, bool b);
 int btrfs_subvol_set_read_only(const char *path, bool b);
@@ -69,8 +76,11 @@ 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_limit_fd(int fd, uint64_t referred_max);
-int btrfs_quota_limit(const char *path, uint64_t referred_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_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_resize_loopback_fd(int fd, uint64_t size);
-int btrfs_resize_loopback(const char *path, uint64_t size);
+int btrfs_subvol_remove(const char *path, bool recursive);
+int btrfs_subvol_remove_fd(int fd, const char *subvolume, bool recursive);