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[XFS] 929956 add log debugging and tracing info

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SGI-PV: 931456
SGI-Modid: xfs-linux:xfs-kern:23155a

Signed-off-by: Tim Shimmin <tes@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
This commit is contained in:
Tim Shimmin
2005-09-02 16:42:05 +10:00
committed by Nathan Scott
parent 32fb9b57ae
commit 7e9c639615
9 changed files with 265 additions and 22 deletions
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68
fs/xfs/xfs_log_priv.h
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@ -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