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| author | Chris Mason <chris.mason@fusionio.com> | 2012-07-25 19:17:39 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@fusionio.com> | 2012-07-25 19:19:10 -0400 |
| commit | 113c1cb530e10bcada93d88ffaa6b521aae2d251 (patch) | |
| tree | e41776281314eb8fdc6b07e1533491e5f9ec21af /fs/btrfs/transaction.c | |
| parent | cd1cfc49153ba2bef247e500d8bd4d135193ece9 (diff) | |
| parent | 31db9f7c23fbf7e95026143f79645de6507b583b (diff) | |
Merge branch 'send-v2' of git://github.com/ablock84/linux-btrfs into for-linus
This is the kernel portion of btrfs send/receive
Conflicts:
fs/btrfs/Makefile
fs/btrfs/backref.h
fs/btrfs/ctree.c
fs/btrfs/ioctl.c
fs/btrfs/ioctl.h
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs/btrfs/transaction.c')
| -rw-r--r-- | fs/btrfs/transaction.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index cc20e95ea289..7ac7cdcc294e 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -22,6 +22,7 @@ #include <linux/writeback.h> #include <linux/pagemap.h> #include <linux/blkdev.h> +#include <linux/uuid.h> #include "ctree.h" #include "disk-io.h" #include "transaction.h" @@ -953,11 +954,13 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans, struct dentry *dentry; struct extent_buffer *tmp; struct extent_buffer *old; + struct timespec cur_time = CURRENT_TIME; int ret; u64 to_reserve = 0; u64 index = 0; u64 objectid; u64 root_flags; + uuid_le new_uuid; rsv = trans->block_rsv; @@ -1051,6 +1054,20 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans, root_flags &= ~BTRFS_ROOT_SUBVOL_RDONLY; btrfs_set_root_flags(new_root_item, root_flags); + btrfs_set_root_generation_v2(new_root_item, + trans->transid); + uuid_le_gen(&new_uuid); + memcpy(new_root_item->uuid, new_uuid.b, BTRFS_UUID_SIZE); + memcpy(new_root_item->parent_uuid, root->root_item.uuid, + BTRFS_UUID_SIZE); + new_root_item->otime.sec = cpu_to_le64(cur_time.tv_sec); + new_root_item->otime.nsec = cpu_to_le64(cur_time.tv_nsec); + btrfs_set_root_otransid(new_root_item, trans->transid); + memset(&new_root_item->stime, 0, sizeof(new_root_item->stime)); + memset(&new_root_item->rtime, 0, sizeof(new_root_item->rtime)); + btrfs_set_root_stransid(new_root_item, 0); + btrfs_set_root_rtransid(new_root_item, 0); + old = btrfs_lock_root_node(root); ret = btrfs_cow_block(trans, root, old, NULL, 0, &old); if (ret) { |