/*
- * Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2000-2005 Silicon Graphics, Inc.
+ * All Rights Reserved.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation.
*
- * This program is distributed in the hope that it would be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
*
- * Further, this software is distributed without any warranty that it is
- * free of the rightful claim of any third person regarding infringement
- * or the like. Any license provided herein, whether implied or
- * otherwise, applies only to this software file. Patent licenses, if
- * any, provided herein do not apply to combinations of this program with
- * other software, or any other product whatsoever.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
- * Mountain View, CA 94043, or:
- *
- * http://www.sgi.com
- *
- * For further information regarding this notice, see:
- *
- * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-
-/*
- * High level interface routines for log manager
- */
-
#include "xfs.h"
-#include "xfs_macros.h"
+#include "xfs_fs.h"
#include "xfs_types.h"
-#include "xfs_inum.h"
-#include "xfs_ag.h"
-#include "xfs_sb.h"
+#include "xfs_bit.h"
#include "xfs_log.h"
+#include "xfs_inum.h"
#include "xfs_trans.h"
+#include "xfs_sb.h"
+#include "xfs_ag.h"
#include "xfs_dir.h"
+#include "xfs_dir2.h"
#include "xfs_dmapi.h"
#include "xfs_mount.h"
#include "xfs_error.h"
#include "xfs_log_priv.h"
#include "xfs_buf_item.h"
+#include "xfs_bmap_btree.h"
#include "xfs_alloc_btree.h"
+#include "xfs_ialloc_btree.h"
#include "xfs_log_recover.h"
-#include "xfs_bit.h"
-#include "xfs_rw.h"
#include "xfs_trans_priv.h"
+#include "xfs_dir_sf.h"
+#include "xfs_dir2_sf.h"
+#include "xfs_attr_sf.h"
+#include "xfs_dinode.h"
+#include "xfs_inode.h"
+#include "xfs_rw.h"
#define xlog_write_adv_cnt(ptr, len, off, bytes) \
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,
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)
{
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)
#endif /* XFS_LOG_TRACE */
+
+static void
+xlog_ins_ticketq(struct xlog_ticket **qp, struct xlog_ticket *tic)
+{
+ if (*qp) {
+ tic->t_next = (*qp);
+ tic->t_prev = (*qp)->t_prev;
+ (*qp)->t_prev->t_next = tic;
+ (*qp)->t_prev = tic;
+ } else {
+ tic->t_prev = tic->t_next = tic;
+ *qp = tic;
+ }
+
+ tic->t_flags |= XLOG_TIC_IN_Q;
+}
+
+static void
+xlog_del_ticketq(struct xlog_ticket **qp, struct xlog_ticket *tic)
+{
+ if (tic == tic->t_next) {
+ *qp = NULL;
+ } else {
+ *qp = tic->t_next;
+ tic->t_next->t_prev = tic->t_prev;
+ tic->t_prev->t_next = tic->t_next;
+ }
+
+ tic->t_next = tic->t_prev = NULL;
+ tic->t_flags &= ~XLOG_TIC_IN_Q;
+}
+
+static void
+xlog_grant_sub_space(struct log *log, int bytes)
+{
+ log->l_grant_write_bytes -= bytes;
+ if (log->l_grant_write_bytes < 0) {
+ log->l_grant_write_bytes += log->l_logsize;
+ log->l_grant_write_cycle--;
+ }
+
+ log->l_grant_reserve_bytes -= bytes;
+ if ((log)->l_grant_reserve_bytes < 0) {
+ log->l_grant_reserve_bytes += log->l_logsize;
+ log->l_grant_reserve_cycle--;
+ }
+
+}
+
+static void
+xlog_grant_add_space_write(struct log *log, int bytes)
+{
+ log->l_grant_write_bytes += bytes;
+ if (log->l_grant_write_bytes > log->l_logsize) {
+ log->l_grant_write_bytes -= log->l_logsize;
+ log->l_grant_write_cycle++;
+ }
+}
+
+static void
+xlog_grant_add_space_reserve(struct log *log, int bytes)
+{
+ log->l_grant_reserve_bytes += bytes;
+ if (log->l_grant_reserve_bytes > log->l_logsize) {
+ log->l_grant_reserve_bytes -= log->l_logsize;
+ log->l_grant_reserve_cycle++;
+ }
+}
+
+static inline void
+xlog_grant_add_space(struct log *log, int bytes)
+{
+ xlog_grant_add_space_write(log, bytes);
+ xlog_grant_add_space_reserve(log, bytes);
+}
+
+
/*
* NOTES:
*
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.
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);
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);
{
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);
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, "log dev: %s", XFS_BUFTARG_NAME(log_target));
- return 0;
- }
-#endif
/*
* skip log recovery on a norecovery mount. pretend it all
* just worked.
if (readonly)
vfsp->vfs_flag &= ~VFS_RDONLY;
- error = xlog_recover(mp->m_log, readonly);
+ error = xlog_recover(mp->m_log);
if (readonly)
vfsp->vfs_flag |= VFS_RDONLY;
__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).
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);
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));
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) {
log->l_iclog_hsize = BBSIZE;
log->l_iclog_heads = 1;
}
- return;
+ goto done;
}
/*
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;
}
}
}
+
+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 */
/* move grant heads by roundoff in sync */
s = GRANT_LOCK(log);
- XLOG_GRANT_ADD_SPACE(log, roundoff, 'w');
- XLOG_GRANT_ADD_SPACE(log, roundoff, 'r');
+ xlog_grant_add_space(log, roundoff);
GRANT_UNLOCK(log, s);
/* put cycle number in every block */
/* something is already sleeping; insert new transaction at end */
if (log->l_reserve_headq) {
- XLOG_INS_TICKETQ(log->l_reserve_headq, tic);
+ xlog_ins_ticketq(&log->l_reserve_headq, tic);
xlog_trace_loggrant(log, tic,
"xlog_grant_log_space: sleep 1");
/*
log->l_grant_reserve_bytes);
if (free_bytes < need_bytes) {
if ((tic->t_flags & XLOG_TIC_IN_Q) == 0)
- XLOG_INS_TICKETQ(log->l_reserve_headq, tic);
+ xlog_ins_ticketq(&log->l_reserve_headq, tic);
xlog_trace_loggrant(log, tic,
"xlog_grant_log_space: sleep 2");
XFS_STATS_INC(xs_sleep_logspace);
s = GRANT_LOCK(log);
goto redo;
} else if (tic->t_flags & XLOG_TIC_IN_Q)
- XLOG_DEL_TICKETQ(log->l_reserve_headq, tic);
+ xlog_del_ticketq(&log->l_reserve_headq, tic);
/* we've got enough space */
- XLOG_GRANT_ADD_SPACE(log, need_bytes, 'w');
- XLOG_GRANT_ADD_SPACE(log, need_bytes, 'r');
+ xlog_grant_add_space(log, need_bytes);
#ifdef DEBUG
tail_lsn = log->l_tail_lsn;
/*
error_return:
if (tic->t_flags & XLOG_TIC_IN_Q)
- XLOG_DEL_TICKETQ(log->l_reserve_headq, tic);
+ xlog_del_ticketq(&log->l_reserve_headq, tic);
xlog_trace_loggrant(log, tic, "xlog_grant_log_space: err_ret");
/*
* If we are failing, make sure the ticket doesn't have any
if (ntic != log->l_write_headq) {
if ((tic->t_flags & XLOG_TIC_IN_Q) == 0)
- XLOG_INS_TICKETQ(log->l_write_headq, tic);
+ xlog_ins_ticketq(&log->l_write_headq, tic);
xlog_trace_loggrant(log, tic,
"xlog_regrant_write_log_space: sleep 1");
log->l_grant_write_bytes);
if (free_bytes < need_bytes) {
if ((tic->t_flags & XLOG_TIC_IN_Q) == 0)
- XLOG_INS_TICKETQ(log->l_write_headq, tic);
+ xlog_ins_ticketq(&log->l_write_headq, tic);
XFS_STATS_INC(xs_sleep_logspace);
sv_wait(&tic->t_sema, PINOD|PLTWAIT, &log->l_grant_lock, s);
s = GRANT_LOCK(log);
goto redo;
} else if (tic->t_flags & XLOG_TIC_IN_Q)
- XLOG_DEL_TICKETQ(log->l_write_headq, tic);
+ xlog_del_ticketq(&log->l_write_headq, tic);
- XLOG_GRANT_ADD_SPACE(log, need_bytes, 'w'); /* we've got enough space */
+ /* we've got enough space */
+ xlog_grant_add_space_write(log, need_bytes);
#ifdef DEBUG
tail_lsn = log->l_tail_lsn;
if (CYCLE_LSN(tail_lsn) != log->l_grant_write_cycle) {
error_return:
if (tic->t_flags & XLOG_TIC_IN_Q)
- XLOG_DEL_TICKETQ(log->l_reserve_headq, tic);
+ xlog_del_ticketq(&log->l_reserve_headq, tic);
xlog_trace_loggrant(log, tic, "xlog_regrant_write_log_space: err_ret");
/*
* If we are failing, make sure the ticket doesn't have any
ticket->t_cnt--;
s = GRANT_LOCK(log);
- XLOG_GRANT_SUB_SPACE(log, ticket->t_curr_res, 'w');
- XLOG_GRANT_SUB_SPACE(log, ticket->t_curr_res, 'r');
+ xlog_grant_sub_space(log, ticket->t_curr_res);
ticket->t_curr_res = ticket->t_unit_res;
XLOG_TIC_RESET_RES(ticket);
xlog_trace_loggrant(log, ticket,
return;
}
- XLOG_GRANT_ADD_SPACE(log, ticket->t_unit_res, 'r');
+ xlog_grant_add_space_reserve(log, ticket->t_unit_res);
xlog_trace_loggrant(log, ticket,
"xlog_regrant_reserve_log_space: exit");
xlog_verify_grant_head(log, 0);
s = GRANT_LOCK(log);
xlog_trace_loggrant(log, ticket, "xlog_ungrant_log_space: enter");
- XLOG_GRANT_SUB_SPACE(log, ticket->t_curr_res, 'w');
- XLOG_GRANT_SUB_SPACE(log, ticket->t_curr_res, 'r');
+ xlog_grant_sub_space(log, ticket->t_curr_res);
xlog_trace_loggrant(log, ticket, "xlog_ungrant_log_space: sub current");
*/
if (ticket->t_cnt > 0) {
ASSERT(ticket->t_flags & XLOG_TIC_PERM_RESERV);
- XLOG_GRANT_SUB_SPACE(log, ticket->t_unit_res*ticket->t_cnt,'w');
- XLOG_GRANT_SUB_SPACE(log, ticket->t_unit_res*ticket->t_cnt,'r');
+ xlog_grant_sub_space(log, ticket->t_unit_res*ticket->t_cnt);
}
xlog_trace_loggrant(log, ticket, "xlog_ungrant_log_space: exit");
*
******************************************************************************
*/
-#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
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.
projects / linux-2.6 / blobdiff