From: Dave Chinner <dchinner@xxxxxxxxxx> Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx> Signed-off-by: Christoph Hellwig <hch@xxxxxx> --- fs/xfs/xfs_log.c | 59 +++++++++++------------------------------------- 1 file changed, 13 insertions(+), 46 deletions(-) diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index d0d9f27ef90c..3eff7038e3ed 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -463,14 +463,6 @@ xfs_log_reserve( return error; } - -/* - * NOTES: - * - * 1. currblock field gets updated at startup and after in-core logs - * marked as with WANT_SYNC. - */ - /* * Write out an unmount record using the ticket provided. We have to account for * the data space used in the unmount ticket as this write is not done from a @@ -1912,7 +1904,7 @@ xlog_dealloc_log( log->l_mp->m_log = NULL; destroy_workqueue(log->l_ioend_workqueue); kmem_free(log); -} /* xlog_dealloc_log */ +} /* * Update counters atomically now that memcpy is done. @@ -2456,14 +2448,6 @@ xlog_write( return error; } - -/***************************************************************************** - * - * State Machine functions - * - ***************************************************************************** - */ - static void xlog_state_activate_iclog( struct xlog_in_core *iclog, @@ -2824,7 +2808,7 @@ xlog_state_done_syncing( */ wake_up_all(&iclog->ic_write_wait); spin_unlock(&log->l_icloglock); - xlog_state_do_callback(log); /* also cleans log */ + xlog_state_do_callback(log); } /* @@ -2944,13 +2928,14 @@ xlog_state_get_iclog_space( *logoffsetp = log_offset; return 0; -} /* xlog_state_get_iclog_space */ +} /* - * The first cnt-1 times through here we don't need to move the grant write head - * because the permanent reservation has reserved cnt times the unit amount. - * Release part of current permanent unit reservation and reset current - * reservation to be one units worth. Also move grant reservation head forward. + * The first cnt-1 times a ticket goes through here we don't need to move the + * grant write head because the permanent reservation has reserved cnt times the + * unit amount. Release part of current permanent unit reservation and reset + * current reservation to be one units worth. Also move grant reservation head + * forward. */ void xlog_ticket_regrant( @@ -3032,12 +3017,8 @@ xlog_ticket_done( } /* - * Mark the current iclog in the ring as WANT_SYNC and move the current iclog - * pointer to the next iclog in the ring. - * - * When called from xlog_state_get_iclog_space(), the exact size of the iclog - * has not yet been determined, all we know is that we have run out of space in - * the current iclog. + * This routine will mark the current iclog in the ring as WANT_SYNC and move + * the current iclog pointer to the next iclog in the ring. */ STATIC void xlog_state_switch_iclogs( @@ -3082,7 +3063,7 @@ xlog_state_switch_iclogs( } ASSERT(iclog == log->l_iclog); log->l_iclog = iclog->ic_next; -} /* xlog_state_switch_iclogs */ +} /* * Write out all data in the in-core log as of this exact moment in time. @@ -3289,13 +3270,6 @@ xfs_log_force_lsn( return ret; } -/***************************************************************************** - * - * TICKET functions - * - ***************************************************************************** - */ - /* * Free a used ticket when its refcount falls to zero. */ @@ -3453,13 +3427,6 @@ xlog_ticket_alloc( return tic; } - -/****************************************************************************** - * - * Log debug routines - * - ****************************************************************************** - */ #if defined(DEBUG) /* * Make sure that the destination ptr is within the valid data region of @@ -3545,7 +3512,7 @@ xlog_verify_tail_lsn( if (blocks < BTOBB(iclog->ic_offset) + 1) xfs_emerg(log->l_mp, "%s: ran out of log space", __func__); } -} /* xlog_verify_tail_lsn */ +} /* * Perform a number of checks on the iclog before writing to disk. @@ -3648,7 +3615,7 @@ xlog_verify_iclog( } ptr += sizeof(xlog_op_header_t) + op_len; } -} /* xlog_verify_iclog */ +} #endif /* -- 2.25.1