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btrfs: hold a ref on the root in open_ctree
authorJosef Bacik <josef@toxicpanda.com>
Fri, 24 Jan 2020 14:32:54 +0000 (09:32 -0500)
committerDavid Sterba <dsterba@suse.com>
Mon, 23 Mar 2020 16:01:32 +0000 (17:01 +0100)
commit4c78e9f59632b5e635e51db9b68111288b38ff22
tree3a60556c8ce681569acd91d146de3021f5427df4
parent0d4b0463011de06288d8ca80a873a97a7d99a948
btrfs: hold a ref on the root in open_ctree

We lookup the fs_root and put it in our fs_info directly, we should hold
a ref on this root for the lifetime of the fs_info.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/disk-io.c