diff mbox series

[01/16] btrfs-progs: track num_devices per fs_devices

Message ID fc73d820858da0f787a1f22eb590cf851ace4d5f.1692018849.git.anand.jain@oracle.com (mailing list archive)
State New, archived
Headers show
Series btrfs-progs: recover from failed metadata_uuid | expand

Commit Message

Anand Jain Aug. 14, 2023, 3:27 p.m. UTC 
Similar to the kernel we need to track the number of devices scanned
per fs_devices. A preparation patch to fix incomplete fsid changing.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
---
 kernel-shared/volumes.c | 1 +
 kernel-shared/volumes.h | 1 +
 2 files changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/kernel-shared/volumes.c b/kernel-shared/volumes.c
index 946c2e7a931a..3ca7a5a62da8 100644
--- a/kernel-shared/volumes.c
+++ b/kernel-shared/volumes.c
@@ -406,6 +406,7 @@  static int device_list_add(const char *path,
 			btrfs_stack_device_bytes_used(&disk_super->dev_item);
 		list_add(&device->dev_list, &fs_devices->devices);
 		device->fs_devices = fs_devices;
+		fs_devices->num_devices++;
 	} else if (!device->name || strcmp(device->name, path)) {
 		char *name;
 
diff --git a/kernel-shared/volumes.h b/kernel-shared/volumes.h
index c89c1659e60c..23559b43e749 100644
--- a/kernel-shared/volumes.h
+++ b/kernel-shared/volumes.h
@@ -88,6 +88,7 @@  struct btrfs_fs_devices {
 	u64 latest_trans;
 	u64 lowest_devid;
 
+	u64 num_devices;
 	u64 missing_devices;
 	u64 total_rw_bytes;