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authorLinus Torvalds <torvalds@linux-foundation.org>2011-02-25 14:03:39 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-02-25 14:03:39 -0800
commit4660ba63f1c4e07c20a435e084f12ba48a82bd2b (patch)
tree494973a1dd4102eede20298f478574801af31b86 /fs/btrfs/volumes.c
parent958ede7f1b72b29cd0d29ec88ee2bcb4c87dab61 (diff)
parentec29ed5b407d618a8128f5942aade9e1758aa14b (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: Btrfs: fix fiemap bugs with delalloc Btrfs: set FMODE_EXCL in btrfs_device->mode Btrfs: make btrfs_rm_device() fail gracefully Btrfs: Avoid accessing unmapped kernel address Btrfs: Fix BTRFS_IOC_SUBVOL_SETFLAGS ioctl Btrfs: allow balance to explicitly allocate chunks as it relocates Btrfs: put ENOSPC debugging under a mount option
Diffstat (limited to 'fs/btrfs/volumes.c')
-rw-r--r--fs/btrfs/volumes.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index af7dbca..dd13eb8 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1338,11 +1338,11 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path)
ret = btrfs_shrink_device(device, 0);
if (ret)
- goto error_brelse;
+ goto error_undo;
ret = btrfs_rm_dev_item(root->fs_info->chunk_root, device);
if (ret)
- goto error_brelse;
+ goto error_undo;
device->in_fs_metadata = 0;
@@ -1416,6 +1416,13 @@ out:
mutex_unlock(&root->fs_info->volume_mutex);
mutex_unlock(&uuid_mutex);
return ret;
+error_undo:
+ if (device->writeable) {
+ list_add(&device->dev_alloc_list,
+ &root->fs_info->fs_devices->alloc_list);
+ root->fs_info->fs_devices->rw_devices++;
+ }
+ goto error_brelse;
}
/*
@@ -1633,7 +1640,7 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path)
device->dev_root = root->fs_info->dev_root;
device->bdev = bdev;
device->in_fs_metadata = 1;
- device->mode = 0;
+ device->mode = FMODE_EXCL;
set_blocksize(device->bdev, 4096);
if (seeding_dev) {