util: loop_write - accept 0-length message

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

diff --git a/src/shared/btrfs-util.h b/src/shared/btrfs-util.h
index 06ecc11b4237b6e69ee0c2f01f927e7b788a07bd..a7eb895c93f348ac7dcd8b6dd24da872de9faf1b 100644 (file)
--- a/src/shared/btrfs-util.h
+++ b/src/shared/btrfs-util.h
@@ -43,13 +43,20 @@ typedef struct BtrfsQuotaInfo {
         uint64_t exclusive_max;
 } BtrfsQuotaInfo;
 
-int btrfs_is_snapshot(int fd);
+typedef enum BtrfsSnapshotFlags {
+        BTRFS_SNAPSHOT_FALLBACK_COPY = 1,
+        BTRFS_SNAPSHOT_READ_ONLY = 2,
+        BTRFS_SNAPSHOT_RECURSIVE = 4,
+} BtrfsSnapshotFlags;
+
+int btrfs_is_filesystem(int fd);
+int btrfs_is_subvol(int fd);
 
 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, bool read_only, bool fallback_copy);
-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);