diff options
Diffstat (limited to 'fs/xfs/xfs_log_priv.h')
| -rw-r--r-- | fs/xfs/xfs_log_priv.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h index f3d78869e5e5..a9a7a271c15b 100644 --- a/fs/xfs/xfs_log_priv.h +++ b/fs/xfs/xfs_log_priv.h @@ -144,7 +144,7 @@ enum xlog_iclog_state { #define XLOG_COVER_OPS 5 -typedef struct xlog_ticket { +struct xlog_ticket { struct list_head t_queue; /* reserve/write queue */ struct task_struct *t_task; /* task that owns this ticket */ xlog_tid_t t_tid; /* transaction identifier */ @@ -155,7 +155,7 @@ typedef struct xlog_ticket { char t_cnt; /* current unit count */ uint8_t t_flags; /* properties of reservation */ int t_iclog_hdrs; /* iclog hdrs in t_curr_res */ -} xlog_ticket_t; +}; /* * - A log record header is 512 bytes. There is plenty of room to grow the @@ -698,4 +698,17 @@ xlog_kvmalloc( return p; } +/* + * Given a count of iovecs and space for a log item, compute the space we need + * in the log to store that data plus the log headers. + */ +static inline unsigned int +xlog_item_space( + unsigned int niovecs, + unsigned int nbytes) +{ + nbytes += niovecs * (sizeof(uint64_t) + sizeof(struct xlog_op_header)); + return round_up(nbytes, sizeof(uint64_t)); +} + #endif /* __XFS_LOG_PRIV_H__ */ |