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| author | Chris Mason <chris.mason@oracle.com> | 2007-08-29 09:11:44 -0400 |
|---|---|---|
| committer | David Woodhouse <dwmw2@hera.kernel.org> | 2007-08-29 09:11:44 -0400 |
| commit | 95e0528919cb0c7635b37496e0ad1c41e4c0dd7c (patch) | |
| tree | 6fbbd2e7db819430a88ad32f9869fe09d1fc6fca /fs/btrfs/ctree.h | |
| parent | e9fe395e47bef9b948657b788c65cbfbd2433cc4 (diff) | |
| download | kernel-crypto-95e0528919cb0c7635b37496e0ad1c41e4c0dd7c.tar.gz kernel-crypto-95e0528919cb0c7635b37496e0ad1c41e4c0dd7c.tar.xz kernel-crypto-95e0528919cb0c7635b37496e0ad1c41e4c0dd7c.zip | |
Btrfs: Use mount -o subvol to select the subvol directory instead of dev:
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index ffeee546a0d..cd75c906048 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1064,6 +1064,12 @@ static inline int btrfs_set_root_name(struct btrfs_root *root, ((type *)(btrfs_leaf_data(leaf) + \ btrfs_item_offset((leaf)->items + (slot)))) +/* mount option defines and helpers */ +#define BTRFS_MOUNT_SUBVOL 0x000001 +#define btrfs_clear_opt(o, opt) o &= ~BTRFS_MOUNT_##opt +#define btrfs_set_opt(o, opt) o |= BTRFS_MOUNT_##opt +#define btrfs_test_opt(sb, opt) (BTRFS_SB(sb)->s_mount_opt & \ + BTRFS_MOUNT_##opt) /* extent-tree.c */ int btrfs_extent_post_op(struct btrfs_trans_handle *trans, struct btrfs_root *root); |