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Btrfs: use helpers for last_trans_log_full_commit instead of opencode

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Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Miao Xie
2014-04-02 19:51:06 +08:00
committed by Chris Mason
parent 1f21ef0a34
commit 995946dd29
4 changed files with 36 additions and 27 deletions
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16
fs/btrfs/tree-log.h
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@@ -19,6 +19,9 @@
#ifndef __TREE_LOG_
#define __TREE_LOG_
#include "ctree.h"
#include "transaction.h"
/* return value for btrfs_log_dentry_safe that means we don't need to log it at all */
#define BTRFS_NO_LOG_SYNC 256
@@ -35,6 +38,19 @@ static inline void btrfs_init_log_ctx(struct btrfs_log_ctx *ctx)
INIT_LIST_HEAD(&ctx->list);
}
static inline void btrfs_set_log_full_commit(struct btrfs_fs_info *fs_info,
struct btrfs_trans_handle *trans)
{
ACCESS_ONCE(fs_info->last_trans_log_full_commit) = trans->transid;
}
static inline int btrfs_need_log_full_commit(struct btrfs_fs_info *fs_info,
struct btrfs_trans_handle *trans)
{
return ACCESS_ONCE(fs_info->last_trans_log_full_commit) ==
trans->transid;
}
int btrfs_sync_log(struct btrfs_trans_handle *trans,
struct btrfs_root *root, struct btrfs_log_ctx *ctx);
int btrfs_free_log(struct btrfs_trans_handle *trans, struct btrfs_root *root);