diff options
| -rw-r--r-- | fs/xfs/xfs_log.c | 49 | ||||
| -rw-r--r-- | fs/xfs/xfs_log_cil.c | 24 | ||||
| -rw-r--r-- | fs/xfs/xfs_log_priv.h | 1 |
3 files changed, 68 insertions, 6 deletions
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 8b283f7..c8d0481 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -2048,6 +2048,55 @@ xlog_print_tic_res( } /* + * Print a summary of the transaction. + */ +void +xlog_print_trans( + struct xfs_trans *tp) +{ + struct xfs_mount *mp = tp->t_mountp; + struct xfs_log_item_desc *lidp; + + /* dump core transaction and ticket info */ + xfs_warn(mp, "transaction summary:"); + xfs_warn(mp, " flags = 0x%x", tp->t_flags); + + xlog_print_tic_res(mp, tp->t_ticket); + + /* dump each log item */ + list_for_each_entry(lidp, &tp->t_items, lid_trans) { + struct xfs_log_item *lip = lidp->lid_item; + struct xfs_log_vec *lv = lip->li_lv; + struct xfs_log_iovec *vec; + int i; + + xfs_warn(mp, "log item: "); + xfs_warn(mp, " type = 0x%x", lip->li_type); + xfs_warn(mp, " flags = 0x%x", lip->li_flags); + if (!lv) + continue; + xfs_warn(mp, " niovecs = %d", lv->lv_niovecs); + xfs_warn(mp, " size = %d", lv->lv_size); + xfs_warn(mp, " bytes = %d", lv->lv_bytes); + xfs_warn(mp, " buf len = %d", lv->lv_buf_len); + + /* dump each iovec for the log item */ + vec = lv->lv_iovecp; + for (i = 0; i < lv->lv_niovecs; i++) { + int dumplen = min(vec->i_len, 32); + + xfs_warn(mp, " iovec[%d]", i); + xfs_warn(mp, " type = 0x%x", vec->i_type); + xfs_warn(mp, " len = %d", vec->i_len); + xfs_warn(mp, " first %d bytes of iovec[%d]:", dumplen, i); + xfs_hex_dump(vec->i_addr, dumplen);; + + vec++; + } + } +} + +/* * Calculate the potential space needed by the log vector. Each region gets * its own xlog_op_header_t and may need to be double word aligned. */ diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c index 8de3baa..04b3892 100644 --- a/fs/xfs/xfs_log_cil.c +++ b/fs/xfs/xfs_log_cil.c @@ -460,6 +460,21 @@ xlog_cil_insert_items( ctx->space_used += len; /* + * If we've overrun the reservation, dump the tx details before we move + * the log items. Shutdown is imminent... + */ + if (WARN_ON(tp->t_ticket->t_curr_res < 0)) { + xfs_warn(log->l_mp, "Transaction log reservation overrun:"); + xfs_warn(log->l_mp, + " log items: %d bytes (iov hdrs: %d bytes)", + len, iovhdr_res); + xfs_warn(log->l_mp, " split region headers: %d bytes", + split_res); + xfs_warn(log->l_mp, " ctx ticket: %d bytes", ctx_res); + xlog_print_trans(tp); + } + + /* * Now (re-)position everything modified at the tail of the CIL. * We do this here so we only need to take the CIL lock once during * the transaction commit. @@ -481,6 +496,9 @@ xlog_cil_insert_items( } spin_unlock(&cil->xc_cil_lock); + + if (tp->t_ticket->t_curr_res < 0) + xfs_force_shutdown(log->l_mp, SHUTDOWN_LOG_IO_ERROR); } static void @@ -988,12 +1006,6 @@ xfs_log_commit_cil( xlog_cil_insert_items(log, tp); - /* check we didn't blow the reservation */ - if (tp->t_ticket->t_curr_res < 0) { - xlog_print_tic_res(mp, tp->t_ticket); - xfs_force_shutdown(log->l_mp, SHUTDOWN_LOG_IO_ERROR); - } - tp->t_commit_lsn = cil->xc_ctx->sequence; if (commit_lsn) *commit_lsn = tp->t_commit_lsn; diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h index c2604a5..62113a5 100644 --- a/fs/xfs/xfs_log_priv.h +++ b/fs/xfs/xfs_log_priv.h @@ -456,6 +456,7 @@ xlog_write_adv_cnt(void **ptr, int *len, int *off, size_t bytes) } void xlog_print_tic_res(struct xfs_mount *mp, struct xlog_ticket *ticket); +void xlog_print_trans(struct xfs_trans *); int xlog_write( struct xlog *log, |
