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| author | Stefan Behrens | 2012-11-05 18:29:28 +0100 |
|---|---|---|
| committer | Josef Bacik | 2012-12-12 23:15:39 +0100 |
| commit | 63a212abc2315972b245f93cb11ae3acf3c0b513 (patch) | |
| tree | 65d9f4020795b6a3521bf0a94922a082ae4ede6f /fs/btrfs/extent-tree.c | |
| parent | Btrfs: disallow mutually exclusive admin operations from user mode (diff) | |
| download | kernel-qcow2-linux-63a212abc2315972b245f93cb11ae3acf3c0b513.tar.gz kernel-qcow2-linux-63a212abc2315972b245f93cb11ae3acf3c0b513.tar.xz kernel-qcow2-linux-63a212abc2315972b245f93cb11ae3acf3c0b513.zip | |
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/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index b4d438f6c2b3..98af8379895a 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -7468,7 +7468,8 @@ int btrfs_can_relocate(struct btrfs_root *root, u64 bytenr) * check to make sure we can actually find a chunk with enough * space to fit our block group in. */ - if (device->total_bytes > device->bytes_used + min_free) { + if (device->total_bytes > device->bytes_used + min_free && + !device->is_tgtdev_for_dev_replace) { ret = find_free_dev_extent(device, min_free, &dev_offset, NULL); if (!ret) |