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authorJosef Bacik <josef@toxicpanda.com>2020-10-16 11:29:17 -0400
committerDavid Sterba <dsterba@suse.com>2020-12-08 15:53:41 +0100
commit68319c18cb21ab472ce2c4ed572257a42455ac01 (patch)
tree9338ccd98e1188ee1ef0d4bacf2c534e32bf49aa
parentab0b4a3ebf145f54dc23b66a411f4bbbc59b0d96 (diff)
btrfs: show rescue=usebackuproot in /proc/mounts
The standalone option usebackuproot was intended as one-time use and it was not necessary to keep it in the option list. Now that we're going to have more rescue options, it's desirable to keep them intact as it could be confusing why the option disappears. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> [ remove the btrfs_clear_opt part from open_ctree ] Signed-off-by: David Sterba <dsterba@suse.com>
-rw-r--r--fs/btrfs/disk-io.c6
-rw-r--r--fs/btrfs/super.c2
2 files changed, 2 insertions, 6 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index e3caf18dcff4..137c4d5eaa8d 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3384,12 +3384,6 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device
}
set_bit(BTRFS_FS_OPEN, &fs_info->flags);
- /*
- * backuproot only affect mount behavior, and if open_ctree succeeded,
- * no need to keep the flag
- */
- btrfs_clear_opt(fs_info->mount_opt, USEBACKUPROOT);
-
return 0;
fail_qgroup:
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index c5095a23befd..b9d5d610682f 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1437,6 +1437,8 @@ static int btrfs_show_options(struct seq_file *seq, struct dentry *dentry)
seq_puts(seq, ",notreelog");
if (btrfs_test_opt(info, NOLOGREPLAY))
print_rescue_option(seq, "nologreplay", &printed);
+ if (btrfs_test_opt(info, USEBACKUPROOT))
+ print_rescue_option(seq, "usebackuproot", &printed);
if (btrfs_test_opt(info, FLUSHONCOMMIT))
seq_puts(seq, ",flushoncommit");
if (btrfs_test_opt(info, DISCARD_SYNC))