diff options
Diffstat (limited to 'fs/xfs/xfs_log_priv.h')
| -rw-r--r-- | fs/xfs/xfs_log_priv.h | 68 |
1 files changed, 58 insertions, 10 deletions
diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h index 1a1d452f15f9..eb7fdc6ebc32 100644 --- a/fs/xfs/xfs_log_priv.h +++ b/fs/xfs/xfs_log_priv.h @@ -335,18 +335,66 @@ typedef __uint32_t xlog_tid_t; #define XLOG_COVER_OPS 5 + +/* Ticket reservation region accounting */ +#if defined(XFS_LOG_RES_DEBUG) +#define XLOG_TIC_LEN_MAX 15 +#define XLOG_TIC_RESET_RES(t) ((t)->t_res_num = \ + (t)->t_res_arr_sum = (t)->t_res_num_ophdrs = 0) +#define XLOG_TIC_ADD_OPHDR(t) ((t)->t_res_num_ophdrs++) +#define XLOG_TIC_ADD_REGION(t, len, type) \ + do { \ + if ((t)->t_res_num == XLOG_TIC_LEN_MAX) { \ + /* add to overflow and start again */ \ + (t)->t_res_o_flow += (t)->t_res_arr_sum; \ + (t)->t_res_num = 0; \ + (t)->t_res_arr_sum = 0; \ + } \ + (t)->t_res_arr[(t)->t_res_num].r_len = (len); \ + (t)->t_res_arr[(t)->t_res_num].r_type = (type); \ + (t)->t_res_arr_sum += (len); \ + (t)->t_res_num++; \ + } while (0) + +/* + * Reservation region + * As would be stored in xfs_log_iovec but without the i_addr which + * we don't care about. + */ +typedef struct xlog_res { + uint r_len; + uint r_type; +} xlog_res_t; +#else +#define XLOG_TIC_RESET_RES(t) +#define XLOG_TIC_ADD_OPHDR(t) +#define XLOG_TIC_ADD_REGION(t, len, type) +#endif + + typedef struct xlog_ticket { - sv_t t_sema; /* sleep on this semaphore :20 */ - struct xlog_ticket *t_next; /* : 4 */ - struct xlog_ticket *t_prev; /* : 4 */ - xlog_tid_t t_tid; /* transaction identifier : 4 */ - int t_curr_res; /* current reservation in bytes : 4 */ - int t_unit_res; /* unit reservation in bytes : 4 */ - __uint8_t t_ocnt; /* original count : 1 */ - __uint8_t t_cnt; /* current count : 1 */ - __uint8_t t_clientid; /* who does this belong to; : 1 */ - __uint8_t t_flags; /* properties of reservation : 1 */ + sv_t t_sema; /* sleep on this semaphore : 20 */ + struct xlog_ticket *t_next; /* :4|8 */ + struct xlog_ticket *t_prev; /* :4|8 */ + xlog_tid_t t_tid; /* transaction identifier : 4 */ + int t_curr_res; /* current reservation in bytes : 4 */ + int t_unit_res; /* unit reservation in bytes : 4 */ + char t_ocnt; /* original count : 1 */ + char t_cnt; /* current count : 1 */ + char t_clientid; /* who does this belong to; : 1 */ + char t_flags; /* properties of reservation : 1 */ + uint t_trans_type; /* transaction type : 4 */ + +#if defined (XFS_LOG_RES_DEBUG) + /* reservation array fields */ + uint t_res_num; /* num in array : 4 */ + xlog_res_t t_res_arr[XLOG_TIC_LEN_MAX]; /* array of res : X */ + uint t_res_num_ophdrs; /* num op hdrs : 4 */ + uint t_res_arr_sum; /* array sum : 4 */ + uint t_res_o_flow; /* sum overflow : 4 */ +#endif } xlog_ticket_t; + #endif |