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| author | Anand Jain <Anand.Jain@oracle.com> | 2014-06-03 11:36:03 +0800 |
|---|---|---|
| committer | Chris Mason <clm@fb.com> | 2014-06-28 13:48:44 -0700 |
| commit | b2373f255cacdc1ea4da25e75a5a78949ffd9d66 (patch) | |
| tree | 36d5c83ec523fab5d08c15847a22f4802699bc09 /include | |
| parent | 49c6f736f34f901117c20960ebd7d5e60f12fcac (diff) | |
| download | linux-b2373f255cacdc1ea4da25e75a5a78949ffd9d66.tar.gz linux-b2373f255cacdc1ea4da25e75a5a78949ffd9d66.tar.bz2 linux-b2373f255cacdc1ea4da25e75a5a78949ffd9d66.zip | |
btrfs: create sprout should rename fsid on the sysfs as well
Creating sprout will change the fsid of the mounted root.
do the same on the sysfs as well.
reproducer:
mount /dev/sdb /btrfs (seed disk)
btrfs dev add /dev/sdc /btrfs
mount -o rw,remount /btrfs
btrfs dev del /dev/sdb /btrfs
mount /dev/sdb /btrfs
Error:
kobject_add_internal failed for fe350492-dc28-4051-a601-e017b17e6145 with -EEXIST, don't try to register things with the same name in the same directory.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/linux/btrfs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h index 6f9c38ce45c7..2f47824e7a36 100644 --- a/include/uapi/linux/btrfs.h +++ b/include/uapi/linux/btrfs.h @@ -38,6 +38,7 @@ struct btrfs_ioctl_vol_args { #define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2) #define BTRFS_FSID_SIZE 16 #define BTRFS_UUID_SIZE 16 +#define BTRFS_UUID_UNPARSED_SIZE 37 #define BTRFS_QGROUP_INHERIT_SET_LIMITS (1ULL << 0) |