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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-02-25 14:03:39 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-02-25 14:03:39 -0800 |
| commit | 4660ba63f1c4e07c20a435e084f12ba48a82bd2b (patch) | |
| tree | 494973a1dd4102eede20298f478574801af31b86 /fs/btrfs/volumes.c | |
| parent | 958ede7f1b72b29cd0d29ec88ee2bcb4c87dab61 (diff) | |
| parent | ec29ed5b407d618a8128f5942aade9e1758aa14b (diff) | |
| download | linux-4660ba63f1c4e07c20a435e084f12ba48a82bd2b.tar.gz linux-4660ba63f1c4e07c20a435e084f12ba48a82bd2b.tar.bz2 linux-4660ba63f1c4e07c20a435e084f12ba48a82bd2b.zip | |
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.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index af7dbca15276..dd13eb81ee40 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) { |