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| author | Stefan Behrens <sbehrens@giantdisaster.de> | 2012-11-05 18:29:28 +0100 |
|---|---|---|
| committer | Josef Bacik <jbacik@fusionio.com> | 2012-12-12 17:15:39 -0500 |
| commit | 63a212abc2315972b245f93cb11ae3acf3c0b513 (patch) | |
| tree | 65d9f4020795b6a3521bf0a94922a082ae4ede6f /fs/btrfs/super.c | |
| parent | 5ac00addc7ac09110995fe967071d191b5981cc1 (diff) | |
| download | op-kernel-dev-63a212abc2315972b245f93cb11ae3acf3c0b513.zip op-kernel-dev-63a212abc2315972b245f93cb11ae3acf3c0b513.tar.gz | |
Btrfs: disallow some operations on the device replace target device
This patch adds some code to disallow operations on the device that
is used as the target for the device replace operation.
Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs/btrfs/super.c')
| -rw-r--r-- | fs/btrfs/super.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index ef24158..837ad2d 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -1354,7 +1354,8 @@ static int btrfs_calc_avail_data_space(struct btrfs_root *root, u64 *free_bytes) min_stripe_size = BTRFS_STRIPE_LEN; list_for_each_entry(device, &fs_devices->devices, dev_list) { - if (!device->in_fs_metadata || !device->bdev) + if (!device->in_fs_metadata || !device->bdev || + device->is_tgtdev_for_dev_replace) continue; avail_space = device->total_bytes - device->bytes_used; |
