From cfcbbbd089eadcaa86abb2c0f352e1ab23e16f72 Mon Sep 17 00:00:00 2001 From: Nathan Scott Date: Wed, 2 Nov 2005 15:12:04 +1100 Subject: [XFS] Remove old, broken nolog-mode code - noone plans to ever fix it. SGI-PV: 944821 SGI-Modid: xfs-linux:xfs-kern:24213a Signed-off-by: Nathan Scott --- fs/xfs/xfs_log.c | 154 ++++++++++--------------------------------------------- 1 file changed, 27 insertions(+), 127 deletions(-) (limited to 'fs/xfs/xfs_log.c') diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index a9e0c38d18a..29af51275ca 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -111,8 +111,7 @@ STATIC xlog_ticket_t *xlog_ticket_get(xlog_t *log, uint flags); STATIC void xlog_ticket_put(xlog_t *log, xlog_ticket_t *ticket); -/* local debug functions */ -#if defined(DEBUG) && !defined(XLOG_NOLOG) +#if defined(DEBUG) STATIC void xlog_verify_dest_ptr(xlog_t *log, __psint_t ptr); STATIC void xlog_verify_grant_head(xlog_t *log, int equals); STATIC void xlog_verify_iclog(xlog_t *log, xlog_in_core_t *iclog, @@ -128,26 +127,7 @@ STATIC void xlog_verify_tail_lsn(xlog_t *log, xlog_in_core_t *iclog, STATIC int xlog_iclogs_empty(xlog_t *log); -#ifdef DEBUG -int xlog_do_error = 0; -int xlog_req_num = 0; -int xlog_error_mod = 33; -#endif - -#define XLOG_FORCED_SHUTDOWN(log) (log->l_flags & XLOG_IO_ERROR) - -/* - * 0 => disable log manager - * 1 => enable log manager - * 2 => enable log manager and log debugging - */ -#if defined(XLOG_NOLOG) || defined(DEBUG) -int xlog_debug = 1; -xfs_buftarg_t *xlog_target; -#endif - #if defined(XFS_LOG_TRACE) - void xlog_trace_loggrant(xlog_t *log, xlog_ticket_t *tic, xfs_caddr_t string) { @@ -183,31 +163,16 @@ xlog_trace_loggrant(xlog_t *log, xlog_ticket_t *tic, xfs_caddr_t string) void xlog_trace_iclog(xlog_in_core_t *iclog, uint state) { - pid_t pid; - - pid = current_pid(); - if (!iclog->ic_trace) iclog->ic_trace = ktrace_alloc(256, KM_SLEEP); ktrace_enter(iclog->ic_trace, (void *)((unsigned long)state), - (void *)((unsigned long)pid), - (void *)0, - (void *)0, - (void *)0, - (void *)0, - (void *)0, - (void *)0, - (void *)0, - (void *)0, - (void *)0, - (void *)0, - (void *)0, - (void *)0, - (void *)0, - (void *)0); + (void *)((unsigned long)current_pid()), + (void *)NULL, (void *)NULL, (void *)NULL, (void *)NULL, + (void *)NULL, (void *)NULL, (void *)NULL, (void *)NULL, + (void *)NULL, (void *)NULL, (void *)NULL, (void *)NULL, + (void *)NULL, (void *)NULL); } - #else #define xlog_trace_loggrant(log,tic,string) #define xlog_trace_iclog(iclog,state) @@ -244,11 +209,6 @@ xfs_log_done(xfs_mount_t *mp, xlog_ticket_t *ticket = (xfs_log_ticket_t) xtic; xfs_lsn_t lsn = 0; -#if defined(DEBUG) || defined(XLOG_NOLOG) - if (!xlog_debug && xlog_target == log->l_targ) - return 0; -#endif - if (XLOG_FORCED_SHUTDOWN(log) || /* * If nothing was ever written, don't write out commit record. @@ -316,11 +276,6 @@ _xfs_log_force( if (!log_flushed) log_flushed = &dummy; -#if defined(DEBUG) || defined(XLOG_NOLOG) - if (!xlog_debug && xlog_target == log->l_targ) - return 0; -#endif - ASSERT(flags & XFS_LOG_FORCE); XFS_STATS_INC(xs_log_force); @@ -348,10 +303,6 @@ xfs_log_notify(xfs_mount_t *mp, /* mount of partition */ xlog_in_core_t *iclog = (xlog_in_core_t *)iclog_hndl; int abortflg, spl; -#if defined(DEBUG) || defined(XLOG_NOLOG) - if (!xlog_debug && xlog_target == log->l_targ) - return 0; -#endif cb->cb_next = NULL; spl = LOG_LOCK(log); abortflg = (iclog->ic_state & XLOG_STATE_IOERROR); @@ -402,13 +353,8 @@ xfs_log_reserve(xfs_mount_t *mp, { xlog_t *log = mp->m_log; xlog_ticket_t *internal_ticket; - int retval; + int retval = 0; -#if defined(DEBUG) || defined(XLOG_NOLOG) - if (!xlog_debug && xlog_target == log->l_targ) - return 0; -#endif - retval = 0; ASSERT(client == XFS_TRANSACTION || client == XFS_LOG); ASSERT((flags & XFS_LOG_NOSLEEP) == 0); @@ -470,13 +416,6 @@ xfs_log_mount(xfs_mount_t *mp, mp->m_log = xlog_alloc_log(mp, log_target, blk_offset, num_bblks); -#if defined(DEBUG) || defined(XLOG_NOLOG) - if (!xlog_debug) { - cmn_err(CE_NOTE, "logdev: %s", mp->m_logname ? - mp->m_logname : "internal"); - return 0; - } -#endif /* * skip log recovery on a norecovery mount. pretend it all * just worked. @@ -580,11 +519,6 @@ xfs_log_unmount_write(xfs_mount_t *mp) __uint32_t pad2; /* may as well make it 64 bits */ } magic = { XLOG_UNMOUNT_TYPE, 0, 0 }; -#if defined(DEBUG) || defined(XLOG_NOLOG) - if (!xlog_debug && xlog_target == log->l_targ) - return 0; -#endif - /* * Don't write out unmount record on read-only mounts. * Or, if we are doing a forced umount (typically because of IO errors). @@ -711,12 +645,6 @@ xfs_log_write(xfs_mount_t * mp, int error; xlog_t *log = mp->m_log; -#if defined(DEBUG) || defined(XLOG_NOLOG) - if (!xlog_debug && xlog_target == log->l_targ) { - *start_lsn = 0; - return 0; - } -#endif if (XLOG_FORCED_SHUTDOWN(log)) return XFS_ERROR(EIO); @@ -736,11 +664,6 @@ xfs_log_move_tail(xfs_mount_t *mp, int need_bytes, free_bytes, cycle, bytes; SPLDECL(s); -#if defined(DEBUG) || defined(XLOG_NOLOG) - if (!xlog_debug && xlog_target == log->l_targ) - return; -#endif - /* XXXsup tmp */ if (XLOG_FORCED_SHUTDOWN(log)) return; ASSERT(!XFS_FORCED_SHUTDOWN(mp)); @@ -1027,51 +950,22 @@ xlog_get_iclog_buffer_size(xfs_mount_t *mp, int size; int xhdrs; -#if defined(DEBUG) || defined(XLOG_NOLOG) - /* - * When logbufs == 0, someone has disabled the log from the FSTAB - * file. This is not a documented feature. We need to set xlog_debug - * to zero (this deactivates the log) and set xlog_target to the - * appropriate device. Only one filesystem may be affected as such - * since this is just a performance hack to test what we might be able - * to get if the log were not present. - */ - if (mp->m_logbufs == 0) { - xlog_debug = 0; - xlog_target = log->l_targ; - log->l_iclog_bufs = XLOG_MIN_ICLOGS; - } else -#endif - { - /* - * This is the normal path. If m_logbufs == -1, then the - * admin has chosen to use the system defaults for logbuffers. - */ - if (mp->m_logbufs == -1) { - if (xfs_physmem <= btoc(128*1024*1024)) { - log->l_iclog_bufs = XLOG_MIN_ICLOGS; - } else if (xfs_physmem <= btoc(400*1024*1024)) { - log->l_iclog_bufs = XLOG_MED_ICLOGS; - } else { - /* 256K with 32K bufs */ - log->l_iclog_bufs = XLOG_MAX_ICLOGS; - } - } else - log->l_iclog_bufs = mp->m_logbufs; - -#if defined(DEBUG) || defined(XLOG_NOLOG) - /* We are reactivating a filesystem after it was inactive */ - if (log->l_targ == xlog_target) { - xlog_target = NULL; - xlog_debug = 1; + if (mp->m_logbufs <= 0) { + if (xfs_physmem <= btoc(128*1024*1024)) { + log->l_iclog_bufs = XLOG_MIN_ICLOGS; + } else if (xfs_physmem <= btoc(400*1024*1024)) { + log->l_iclog_bufs = XLOG_MED_ICLOGS; + } else { /* 256K with 32K bufs */ + log->l_iclog_bufs = XLOG_MAX_ICLOGS; } -#endif + } else { + log->l_iclog_bufs = mp->m_logbufs; } /* * Buffer size passed in from mount system call. */ - if (mp->m_logbsize != -1) { + if (mp->m_logbsize > 0) { size = log->l_iclog_size = mp->m_logbsize; log->l_iclog_size_log = 0; while (size != 1) { @@ -1094,7 +988,7 @@ xlog_get_iclog_buffer_size(xfs_mount_t *mp, log->l_iclog_hsize = BBSIZE; log->l_iclog_heads = 1; } - return; + goto done; } /* @@ -1121,7 +1015,7 @@ xlog_get_iclog_buffer_size(xfs_mount_t *mp, if (mp->m_sb.sb_blocksize >= 16*1024) { log->l_iclog_size = XLOG_BIG_RECORD_BSIZE; log->l_iclog_size_log = XLOG_BIG_RECORD_BSHIFT; - if (mp->m_logbufs == -1) { + if (mp->m_logbufs <= 0) { switch (mp->m_sb.sb_blocksize) { case 16*1024: /* 16 KB */ log->l_iclog_bufs = 3; @@ -1138,6 +1032,12 @@ xlog_get_iclog_buffer_size(xfs_mount_t *mp, } } } + +done: /* are we being asked to make the sizes selected above visible? */ + if (mp->m_logbufs == 0) + mp->m_logbufs = log->l_iclog_bufs; + if (mp->m_logbsize == 0) + mp->m_logbsize = log->l_iclog_size; } /* xlog_get_iclog_buffer_size */ @@ -3390,7 +3290,7 @@ xlog_ticket_get(xlog_t *log, * ****************************************************************************** */ -#if defined(DEBUG) && !defined(XLOG_NOLOG) +#if defined(DEBUG) /* * Make sure that the destination ptr is within the valid data region of * one of the iclogs. This uses backup pointers stored in a different @@ -3554,7 +3454,7 @@ xlog_verify_iclog(xlog_t *log, ptr += sizeof(xlog_op_header_t) + op_len; } } /* xlog_verify_iclog */ -#endif /* DEBUG && !XLOG_NOLOG */ +#endif /* * Mark all iclogs IOERROR. LOG_LOCK is held by the caller. -- cgit v1.2.3