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| author | Miao Xie <miaox@cn.fujitsu.com> | 2012-09-20 01:51:59 -0600 |
|---|---|---|
| committer | Chris Mason <chris.mason@fusionio.com> | 2012-10-09 09:15:38 -0400 |
| commit | a698d0755adb6f27289d1e6610b2240595d27e8c (patch) | |
| tree | bf54f9bcd6941a459be5aeaf22299547c693c0aa /fs/btrfs/transaction.h | |
| parent | e8830e606ffee383f073e32313f11fc5692813fe (diff) | |
| download | kernel-common-a698d0755adb6f27289d1e6610b2240595d27e8c.tar.gz kernel-common-a698d0755adb6f27289d1e6610b2240595d27e8c.tar.bz2 kernel-common-a698d0755adb6f27289d1e6610b2240595d27e8c.zip | |
Btrfs: add a type field for the transaction handle
This patch add a type field into the transaction handle structure,
in this way, we needn't implement various end-transaction functions
and can make the code more simple and readable.
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Diffstat (limited to 'fs/btrfs/transaction.h')
| -rw-r--r-- | fs/btrfs/transaction.h | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h index fbf8313b9d67..0630bd19396a 100644 --- a/fs/btrfs/transaction.h +++ b/fs/btrfs/transaction.h @@ -47,6 +47,14 @@ struct btrfs_transaction { int aborted; }; +enum btrfs_trans_type { + TRANS_START, + TRANS_JOIN, + TRANS_USERSPACE, + TRANS_JOIN_NOLOCK, + TRANS_JOIN_FREEZE, +}; + struct btrfs_trans_handle { u64 transid; u64 bytes_reserved; @@ -58,8 +66,9 @@ struct btrfs_trans_handle { struct btrfs_transaction *transaction; struct btrfs_block_rsv *block_rsv; struct btrfs_block_rsv *orig_rsv; - int aborted; - int adding_csums; + short aborted; + short adding_csums; + enum btrfs_trans_type type; /* * this root is only needed to validate that the root passed to * start_transaction is the same as the one passed to end_transaction. @@ -94,8 +103,6 @@ static inline void btrfs_set_inode_last_trans(struct btrfs_trans_handle *trans, int btrfs_end_transaction(struct btrfs_trans_handle *trans, struct btrfs_root *root); -int btrfs_end_transaction_nolock(struct btrfs_trans_handle *trans, - struct btrfs_root *root); struct btrfs_trans_handle *btrfs_start_transaction(struct btrfs_root *root, int num_items); struct btrfs_trans_handle *btrfs_start_transaction_noflush( |