btrfs-progs: change seen_fsid to hold fd and DIR

Change seen_fsid to hold fd and DIR in order to keep access to each fs.
This will be used for 'subvol delete --commit-after'.

Signed-off-by: Tomohiro Misono <misono.tomohiro@jp.fujitsu.com>
Reviewed-by: Qu Wenruo <quwenruo.btrfs@gmx.com>
Signed-off-by: David Sterba <dsterba@suse.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/utils.h b/utils.h
index 7e9d5ac6..e47b257b 100644
--- a/utils.h
+++ b/utils.h
@@ -73,6 +73,8 @@ void units_set_base(unsigned *units, unsigned base);
 struct seen_fsid {
 	u8 fsid[BTRFS_FSID_SIZE];
 	struct seen_fsid *next;
+	DIR *dirstream;
+	int fd;
 };
 
 int btrfs_make_root_dir(struct btrfs_trans_handle *trans,
@@ -110,7 +112,8 @@ int get_fs_info(const char *path, struct btrfs_ioctl_fs_info_args *fi_args,
 int get_fsid(const char *path, u8 *fsid, int silent);
 
 int is_seen_fsid(u8 *fsid, struct seen_fsid *seen_fsid_hash[]);
-int add_seen_fsid(u8 *fsid, struct seen_fsid *seen_fsid_hash[]);
+int add_seen_fsid(u8 *fsid, struct seen_fsid *seen_fsid_hash[],
+		int fd, DIR *dirstream);
 void free_seen_fsid(struct seen_fsid *seen_fsid_hash[]);
 
 int get_label(const char *btrfs_dev, char *label);