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-rw-r--r--fs/btrfs/dev-replace.c30
1 files changed, 17 insertions, 13 deletions
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index 7c655f9..7efbc4d 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -172,7 +172,8 @@ no_valid_dev_replace_entry_found:
dev_replace->tgtdev->commit_bytes_used =
dev_replace->srcdev->commit_bytes_used;
}
- dev_replace->tgtdev->is_tgtdev_for_dev_replace = 1;
+ set_bit(BTRFS_DEV_STATE_REPLACE_TGT,
+ &dev_replace->tgtdev->dev_state);
btrfs_init_dev_replace_tgtdev_for_resume(fs_info,
dev_replace->tgtdev);
}
@@ -304,6 +305,14 @@ void btrfs_after_dev_replace_commit(struct btrfs_fs_info *fs_info)
dev_replace->cursor_left_last_write_of_item;
}
+static char* btrfs_dev_name(struct btrfs_device *device)
+{
+ if (test_bit(BTRFS_DEV_STATE_MISSING, &device->dev_state))
+ return "<missing disk>";
+ else
+ return rcu_str_deref(device->name);
+}
+
int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info,
const char *tgtdev_name, u64 srcdevid, const char *srcdev_name,
int read_src)
@@ -363,8 +372,7 @@ int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info,
btrfs_info_in_rcu(fs_info,
"dev_replace from %s (devid %llu) to %s started",
- src_device->missing ? "<missing disk>" :
- rcu_str_deref(src_device->name),
+ btrfs_dev_name(src_device),
src_device->devid,
rcu_str_deref(tgt_device->name));
@@ -538,8 +546,7 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
} else {
btrfs_err_in_rcu(fs_info,
"btrfs_scrub_dev(%s, %llu, %s) failed %d",
- src_device->missing ? "<missing disk>" :
- rcu_str_deref(src_device->name),
+ btrfs_dev_name(src_device),
src_device->devid,
rcu_str_deref(tgt_device->name), scrub_ret);
btrfs_dev_replace_unlock(dev_replace, 1);
@@ -557,11 +564,10 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
btrfs_info_in_rcu(fs_info,
"dev_replace from %s (devid %llu) to %s finished",
- src_device->missing ? "<missing disk>" :
- rcu_str_deref(src_device->name),
+ btrfs_dev_name(src_device),
src_device->devid,
rcu_str_deref(tgt_device->name));
- tgt_device->is_tgtdev_for_dev_replace = 0;
+ clear_bit(BTRFS_DEV_STATE_REPLACE_TGT, &tgt_device->dev_state);
tgt_device->devid = src_device->devid;
src_device->devid = BTRFS_DEV_REPLACE_DEVID;
memcpy(uuid_tmp, tgt_device->uuid, sizeof(uuid_tmp));
@@ -814,12 +820,10 @@ static int btrfs_dev_replace_kthread(void *data)
progress = btrfs_dev_replace_progress(fs_info);
progress = div_u64(progress, 10);
btrfs_info_in_rcu(fs_info,
- "continuing dev_replace from %s (devid %llu) to %s @%u%%",
- dev_replace->srcdev->missing ? "<missing disk>"
- : rcu_str_deref(dev_replace->srcdev->name),
+ "continuing dev_replace from %s (devid %llu) to target %s @%u%%",
+ btrfs_dev_name(dev_replace->srcdev),
dev_replace->srcdev->devid,
- dev_replace->tgtdev ? rcu_str_deref(dev_replace->tgtdev->name)
- : "<missing target disk>",
+ btrfs_dev_name(dev_replace->tgtdev),
(unsigned int)progress);
btrfs_dev_replace_continue_on_mount(fs_info);
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