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authorJosef Bacik <josef@toxicpanda.com>2021-12-15 15:40:00 -0500
committerDavid Sterba <dsterba@suse.com>2022-03-14 13:13:48 +0100
commit914a519b19e84dd5e4c3bf5a24cd892f64f0bdef (patch)
treee8802b1f1da9a8d19f49bf6ec7daf1815fb87f80 /fs/btrfs/volumes.c
parent4b3492539907ef53acb06bf0db02dbaaed2bf097 (diff)
downloadlinux-914a519b19e84dd5e4c3bf5a24cd892f64f0bdef.tar.bz2
btrfs: disable device manipulation ioctl's EXTENT_TREE_V2
Device add, remove, and replace all require balance, which doesn't work right now on extent tree v2, so disable these for now. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/volumes.c')
-rw-r--r--fs/btrfs/volumes.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 4c0f8a10e5cd..fa7fee09e39b 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -2085,6 +2085,11 @@ int btrfs_rm_device(struct btrfs_fs_info *fs_info,
u64 num_devices;
int ret = 0;
+ if (btrfs_fs_incompat(fs_info, EXTENT_TREE_V2)) {
+ btrfs_err(fs_info, "device remove not supported on extent tree v2 yet");
+ return -EINVAL;
+ }
+
/*
* The device list in fs_devices is accessed without locks (neither
* uuid_mutex nor device_list_mutex) as it won't change on a mounted