diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2021-08-19 18:09:18 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-08-19 18:09:18 -0700 |
| commit | f444fea7896dbc267249d27f604082a51b8efca2 (patch) | |
| tree | d72e809d28ff7a1cb02f648c858d106de1be859d /fs/btrfs/inode.c | |
| parent | 9e5f10fe577be7974c721c0c2050fa6c967d4565 (diff) | |
| parent | f87d64319e6f980c82acfc9b95ed523d053fb7ac (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
drivers/ptp/Kconfig:
55c8fca1dae1 ("ptp_pch: Restore dependency on PCI")
e5f31552674e ("ethernet: fix PTP_1588_CLOCK dependencies")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'fs/btrfs/inode.c')
| -rw-r--r-- | fs/btrfs/inode.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 0117d867ecf8..06f9f167222b 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -9226,8 +9226,14 @@ static int btrfs_rename_exchange(struct inode *old_dir, bool dest_log_pinned = false; bool need_abort = false; - /* we only allow rename subvolume link between subvolumes */ - if (old_ino != BTRFS_FIRST_FREE_OBJECTID && root != dest) + /* + * For non-subvolumes allow exchange only within one subvolume, in the + * same inode namespace. Two subvolumes (represented as directory) can + * be exchanged as they're a logical link and have a fixed inode number. + */ + if (root != dest && + (old_ino != BTRFS_FIRST_FREE_OBJECTID || + new_ino != BTRFS_FIRST_FREE_OBJECTID)) return -EXDEV; /* close the race window with snapshot create/destroy ioctl */ |