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| author | Chris Mason | 2008-05-08 21:05:58 +0200 |
|---|---|---|
| committer | Chris Mason | 2008-09-25 17:04:02 +0200 |
| commit | c1c4d91c38e6e5b29543b02d4a4fb7f007e44f70 (patch) | |
| tree | 09f42fd06864114dc5ab6676c4ed6aee9e9e024e /fs/btrfs/volumes.c | |
| parent | Btrfs: Update nodatacow mode to support cloned single files and resizing (diff) | |
| download | kernel-qcow2-linux-c1c4d91c38e6e5b29543b02d4a4fb7f007e44f70.tar.gz kernel-qcow2-linux-c1c4d91c38e6e5b29543b02d4a4fb7f007e44f70.tar.xz kernel-qcow2-linux-c1c4d91c38e6e5b29543b02d4a4fb7f007e44f70.zip | |
Btrfs: Only open block devices once during mount -o subvol=
btrfs_open_devices needed a check to see if the device was already
open.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/volumes.c')
| -rw-r--r-- | fs/btrfs/volumes.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 55da5f0c56e3..aa001b08ced0 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -196,6 +196,9 @@ int btrfs_open_devices(struct btrfs_fs_devices *fs_devices, mutex_lock(&uuid_mutex); list_for_each(cur, head) { device = list_entry(cur, struct btrfs_device, dev_list); + if (device->bdev) + continue; + bdev = open_bdev_excl(device->name, flags, holder); if (IS_ERR(bdev)) { |