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-rw-r--r--fs/gfs2/Makefile2
-rw-r--r--fs/gfs2/glock.c51
-rw-r--r--fs/gfs2/incore.h2
-rw-r--r--fs/gfs2/lm.c210
-rw-r--r--fs/gfs2/lm.h42
-rw-r--r--fs/gfs2/ops_file.c31
-rw-r--r--fs/gfs2/ops_fstype.c71
-rw-r--r--fs/gfs2/ops_super.c1
-rw-r--r--fs/gfs2/recovery.c11
-rw-r--r--fs/gfs2/super.h1
-rw-r--r--fs/gfs2/sys.c1
-rw-r--r--fs/gfs2/util.c23
-rw-r--r--fs/gfs2/util.h1
13 files changed, 184 insertions, 263 deletions
diff --git a/fs/gfs2/Makefile b/fs/gfs2/Makefile
index 8fff11058cee..e2350df02a07 100644
--- a/fs/gfs2/Makefile
+++ b/fs/gfs2/Makefile
@@ -1,6 +1,6 @@
1obj-$(CONFIG_GFS2_FS) += gfs2.o 1obj-$(CONFIG_GFS2_FS) += gfs2.o
2gfs2-y := acl.o bmap.o daemon.o dir.o eaops.o eattr.o glock.o \ 2gfs2-y := acl.o bmap.o daemon.o dir.o eaops.o eattr.o glock.o \
3 glops.o inode.o lm.o log.o lops.o locking.o main.o meta_io.o \ 3 glops.o inode.o log.o lops.o locking.o main.o meta_io.o \
4 mount.o ops_address.o ops_dentry.o ops_export.o ops_file.o \ 4 mount.o ops_address.o ops_dentry.o ops_export.o ops_file.o \
5 ops_fstype.o ops_inode.o ops_super.o quota.o \ 5 ops_fstype.o ops_inode.o ops_super.o quota.o \
6 recovery.o rgrp.o super.o sys.o trans.o util.o 6 recovery.o rgrp.o super.o sys.o trans.o util.o
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index a8387e0b5068..611f84d22573 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -35,7 +35,6 @@
35#include "glock.h" 35#include "glock.h"
36#include "glops.h" 36#include "glops.h"
37#include "inode.h" 37#include "inode.h"
38#include "lm.h"
39#include "lops.h" 38#include "lops.h"
40#include "meta_io.h" 39#include "meta_io.h"
41#include "quota.h" 40#include "quota.h"
@@ -183,7 +182,8 @@ static void glock_free(struct gfs2_glock *gl)
183 struct gfs2_sbd *sdp = gl->gl_sbd; 182 struct gfs2_sbd *sdp = gl->gl_sbd;
184 struct inode *aspace = gl->gl_aspace; 183 struct inode *aspace = gl->gl_aspace;
185 184
186 gfs2_lm_put_lock(sdp, gl->gl_lock); 185 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
186 sdp->sd_lockstruct.ls_ops->lm_put_lock(gl->gl_lock);
187 187
188 if (aspace) 188 if (aspace)
189 gfs2_aspace_put(aspace); 189 gfs2_aspace_put(aspace);
@@ -293,6 +293,16 @@ static void glock_work_func(struct work_struct *work)
293 gfs2_glock_put(gl); 293 gfs2_glock_put(gl);
294} 294}
295 295
296static int gfs2_lm_get_lock(struct gfs2_sbd *sdp, struct lm_lockname *name,
297 void **lockp)
298{
299 int error = -EIO;
300 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
301 error = sdp->sd_lockstruct.ls_ops->lm_get_lock(
302 sdp->sd_lockstruct.ls_lockspace, name, lockp);
303 return error;
304}
305
296/** 306/**
297 * gfs2_glock_get() - Get a glock, or create one if one doesn't exist 307 * gfs2_glock_get() - Get a glock, or create one if one doesn't exist
298 * @sdp: The GFS2 superblock 308 * @sdp: The GFS2 superblock
@@ -882,6 +892,17 @@ out:
882 gfs2_holder_wake(gh); 892 gfs2_holder_wake(gh);
883} 893}
884 894
895static unsigned int gfs2_lm_lock(struct gfs2_sbd *sdp, void *lock,
896 unsigned int cur_state, unsigned int req_state,
897 unsigned int flags)
898{
899 int ret = 0;
900 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
901 ret = sdp->sd_lockstruct.ls_ops->lm_lock(lock, cur_state,
902 req_state, flags);
903 return ret;
904}
905
885/** 906/**
886 * gfs2_glock_xmote_th - Call into the lock module to acquire or change a glock 907 * gfs2_glock_xmote_th - Call into the lock module to acquire or change a glock
887 * @gl: The glock in question 908 * @gl: The glock in question
@@ -922,6 +943,15 @@ static void gfs2_glock_xmote_th(struct gfs2_glock *gl, struct gfs2_holder *gh)
922 xmote_bh(gl, lck_ret); 943 xmote_bh(gl, lck_ret);
923} 944}
924 945
946static unsigned int gfs2_lm_unlock(struct gfs2_sbd *sdp, void *lock,
947 unsigned int cur_state)
948{
949 int ret = 0;
950 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
951 ret = sdp->sd_lockstruct.ls_ops->lm_unlock(lock, cur_state);
952 return ret;
953}
954
925/** 955/**
926 * gfs2_glock_drop_th - call into the lock module to unlock a lock 956 * gfs2_glock_drop_th - call into the lock module to unlock a lock
927 * @gl: the glock 957 * @gl: the glock
@@ -964,6 +994,7 @@ static void gfs2_glock_drop_th(struct gfs2_glock *gl)
964static void do_cancels(struct gfs2_holder *gh) 994static void do_cancels(struct gfs2_holder *gh)
965{ 995{
966 struct gfs2_glock *gl = gh->gh_gl; 996 struct gfs2_glock *gl = gh->gh_gl;
997 struct gfs2_sbd *sdp = gl->gl_sbd;
967 998
968 spin_lock(&gl->gl_spin); 999 spin_lock(&gl->gl_spin);
969 1000
@@ -972,7 +1003,8 @@ static void do_cancels(struct gfs2_holder *gh)
972 !list_empty(&gh->gh_list)) { 1003 !list_empty(&gh->gh_list)) {
973 if (!(gl->gl_req_gh && (gl->gl_req_gh->gh_flags & GL_NOCANCEL))) { 1004 if (!(gl->gl_req_gh && (gl->gl_req_gh->gh_flags & GL_NOCANCEL))) {
974 spin_unlock(&gl->gl_spin); 1005 spin_unlock(&gl->gl_spin);
975 gfs2_lm_cancel(gl->gl_sbd, gl->gl_lock); 1006 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
1007 sdp->sd_lockstruct.ls_ops->lm_cancel(gl->gl_lock);
976 msleep(100); 1008 msleep(100);
977 spin_lock(&gl->gl_spin); 1009 spin_lock(&gl->gl_spin);
978 } else { 1010 } else {
@@ -1426,6 +1458,14 @@ void gfs2_glock_dq_uninit_m(unsigned int num_gh, struct gfs2_holder *ghs)
1426 gfs2_glock_dq_uninit(&ghs[x]); 1458 gfs2_glock_dq_uninit(&ghs[x]);
1427} 1459}
1428 1460
1461static int gfs2_lm_hold_lvb(struct gfs2_sbd *sdp, void *lock, char **lvbp)
1462{
1463 int error = -EIO;
1464 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
1465 error = sdp->sd_lockstruct.ls_ops->lm_hold_lvb(lock, lvbp);
1466 return error;
1467}
1468
1429/** 1469/**
1430 * gfs2_lvb_hold - attach a LVB from a glock 1470 * gfs2_lvb_hold - attach a LVB from a glock
1431 * @gl: The glock in question 1471 * @gl: The glock in question
@@ -1461,12 +1501,15 @@ int gfs2_lvb_hold(struct gfs2_glock *gl)
1461 1501
1462void gfs2_lvb_unhold(struct gfs2_glock *gl) 1502void gfs2_lvb_unhold(struct gfs2_glock *gl)
1463{ 1503{
1504 struct gfs2_sbd *sdp = gl->gl_sbd;
1505
1464 gfs2_glock_hold(gl); 1506 gfs2_glock_hold(gl);
1465 gfs2_glmutex_lock(gl); 1507 gfs2_glmutex_lock(gl);
1466 1508
1467 gfs2_assert(gl->gl_sbd, atomic_read(&gl->gl_lvb_count) > 0); 1509 gfs2_assert(gl->gl_sbd, atomic_read(&gl->gl_lvb_count) > 0);
1468 if (atomic_dec_and_test(&gl->gl_lvb_count)) { 1510 if (atomic_dec_and_test(&gl->gl_lvb_count)) {
1469 gfs2_lm_unhold_lvb(gl->gl_sbd, gl->gl_lock, gl->gl_lvb); 1511 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
1512 sdp->sd_lockstruct.ls_ops->lm_unhold_lvb(gl->gl_lock, gl->gl_lvb);
1470 gl->gl_lvb = NULL; 1513 gl->gl_lvb = NULL;
1471 gfs2_glock_put(gl); 1514 gfs2_glock_put(gl);
1472 } 1515 }
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 65aa46acb082..8dee4672c3d8 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -211,6 +211,8 @@ struct gfs2_glock {
211 struct delayed_work gl_work; 211 struct delayed_work gl_work;
212}; 212};
213 213
214#define GFS2_MIN_LVB_SIZE 32 /* Min size of LVB that gfs2 supports */
215
214struct gfs2_alloc { 216struct gfs2_alloc {
215 /* Quota stuff */ 217 /* Quota stuff */
216 218
diff --git a/fs/gfs2/lm.c b/fs/gfs2/lm.c
deleted file mode 100644
index cfcc39b86a53..000000000000
--- a/fs/gfs2/lm.c
+++ /dev/null
@@ -1,210 +0,0 @@
1/*
2 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
3 * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
4 *
5 * This copyrighted material is made available to anyone wishing to use,
6 * modify, copy, or redistribute it subject to the terms and conditions
7 * of the GNU General Public License version 2.
8 */
9
10#include <linux/slab.h>
11#include <linux/spinlock.h>
12#include <linux/completion.h>
13#include <linux/buffer_head.h>
14#include <linux/delay.h>
15#include <linux/gfs2_ondisk.h>
16#include <linux/lm_interface.h>
17
18#include "gfs2.h"
19#include "incore.h"
20#include "glock.h"
21#include "lm.h"
22#include "super.h"
23#include "util.h"
24
25/**
26 * gfs2_lm_mount - mount a locking protocol
27 * @sdp: the filesystem
28 * @args: mount arguements
29 * @silent: if 1, don't complain if the FS isn't a GFS2 fs
30 *
31 * Returns: errno
32 */
33
34int gfs2_lm_mount(struct gfs2_sbd *sdp, int silent)
35{
36 char *proto = sdp->sd_proto_name;
37 char *table = sdp->sd_table_name;
38 int flags = 0;
39 int error;
40
41 if (sdp->sd_args.ar_spectator)
42 flags |= LM_MFLAG_SPECTATOR;
43
44 fs_info(sdp, "Trying to join cluster \"%s\", \"%s\"\n", proto, table);
45
46 error = gfs2_mount_lockproto(proto, table, sdp->sd_args.ar_hostdata,
47 gfs2_glock_cb, sdp,
48 GFS2_MIN_LVB_SIZE, flags,
49 &sdp->sd_lockstruct, &sdp->sd_kobj);
50 if (error) {
51 fs_info(sdp, "can't mount proto=%s, table=%s, hostdata=%s\n",
52 proto, table, sdp->sd_args.ar_hostdata);
53 goto out;
54 }
55
56 if (gfs2_assert_warn(sdp, sdp->sd_lockstruct.ls_lockspace) ||
57 gfs2_assert_warn(sdp, sdp->sd_lockstruct.ls_ops) ||
58 gfs2_assert_warn(sdp, sdp->sd_lockstruct.ls_lvb_size >=
59 GFS2_MIN_LVB_SIZE)) {
60 gfs2_unmount_lockproto(&sdp->sd_lockstruct);
61 goto out;
62 }
63
64 if (sdp->sd_args.ar_spectator)
65 snprintf(sdp->sd_fsname, GFS2_FSNAME_LEN, "%s.s", table);
66 else
67 snprintf(sdp->sd_fsname, GFS2_FSNAME_LEN, "%s.%u", table,
68 sdp->sd_lockstruct.ls_jid);
69
70 fs_info(sdp, "Joined cluster. Now mounting FS...\n");
71
72 if ((sdp->sd_lockstruct.ls_flags & LM_LSFLAG_LOCAL) &&
73 !sdp->sd_args.ar_ignore_local_fs) {
74 sdp->sd_args.ar_localflocks = 1;
75 sdp->sd_args.ar_localcaching = 1;
76 }
77
78out:
79 return error;
80}
81
82void gfs2_lm_others_may_mount(struct gfs2_sbd *sdp)
83{
84 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
85 sdp->sd_lockstruct.ls_ops->lm_others_may_mount(
86 sdp->sd_lockstruct.ls_lockspace);
87}
88
89void gfs2_lm_unmount(struct gfs2_sbd *sdp)
90{
91 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
92 gfs2_unmount_lockproto(&sdp->sd_lockstruct);
93}
94
95int gfs2_lm_withdraw(struct gfs2_sbd *sdp, char *fmt, ...)
96{
97 va_list args;
98
99 if (test_and_set_bit(SDF_SHUTDOWN, &sdp->sd_flags))
100 return 0;
101
102 va_start(args, fmt);
103 vprintk(fmt, args);
104 va_end(args);
105
106 fs_err(sdp, "about to withdraw this file system\n");
107 BUG_ON(sdp->sd_args.ar_debug);
108
109 fs_err(sdp, "telling LM to withdraw\n");
110 gfs2_withdraw_lockproto(&sdp->sd_lockstruct);
111 fs_err(sdp, "withdrawn\n");
112 dump_stack();
113
114 return -1;
115}
116
117int gfs2_lm_get_lock(struct gfs2_sbd *sdp, struct lm_lockname *name,
118 void **lockp)
119{
120 int error = -EIO;
121 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
122 error = sdp->sd_lockstruct.ls_ops->lm_get_lock(
123 sdp->sd_lockstruct.ls_lockspace, name, lockp);
124 return error;
125}
126
127void gfs2_lm_put_lock(struct gfs2_sbd *sdp, void *lock)
128{
129 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
130 sdp->sd_lockstruct.ls_ops->lm_put_lock(lock);
131}
132
133unsigned int gfs2_lm_lock(struct gfs2_sbd *sdp, void *lock,
134 unsigned int cur_state, unsigned int req_state,
135 unsigned int flags)
136{
137 int ret = 0;
138 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
139 ret = sdp->sd_lockstruct.ls_ops->lm_lock(lock, cur_state,
140 req_state, flags);
141 return ret;
142}
143
144unsigned int gfs2_lm_unlock(struct gfs2_sbd *sdp, void *lock,
145 unsigned int cur_state)
146{
147 int ret = 0;
148 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
149 ret = sdp->sd_lockstruct.ls_ops->lm_unlock(lock, cur_state);
150 return ret;
151}
152
153void gfs2_lm_cancel(struct gfs2_sbd *sdp, void *lock)
154{
155 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
156 sdp->sd_lockstruct.ls_ops->lm_cancel(lock);
157}
158
159int gfs2_lm_hold_lvb(struct gfs2_sbd *sdp, void *lock, char **lvbp)
160{
161 int error = -EIO;
162 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
163 error = sdp->sd_lockstruct.ls_ops->lm_hold_lvb(lock, lvbp);
164 return error;
165}
166
167void gfs2_lm_unhold_lvb(struct gfs2_sbd *sdp, void *lock, char *lvb)
168{
169 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
170 sdp->sd_lockstruct.ls_ops->lm_unhold_lvb(lock, lvb);
171}
172
173int gfs2_lm_plock_get(struct gfs2_sbd *sdp, struct lm_lockname *name,
174 struct file *file, struct file_lock *fl)
175{
176 int error = -EIO;
177 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
178 error = sdp->sd_lockstruct.ls_ops->lm_plock_get(
179 sdp->sd_lockstruct.ls_lockspace, name, file, fl);
180 return error;
181}
182
183int gfs2_lm_plock(struct gfs2_sbd *sdp, struct lm_lockname *name,
184 struct file *file, int cmd, struct file_lock *fl)
185{
186 int error = -EIO;
187 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
188 error = sdp->sd_lockstruct.ls_ops->lm_plock(
189 sdp->sd_lockstruct.ls_lockspace, name, file, cmd, fl);
190 return error;
191}
192
193int gfs2_lm_punlock(struct gfs2_sbd *sdp, struct lm_lockname *name,
194 struct file *file, struct file_lock *fl)
195{
196 int error = -EIO;
197 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
198 error = sdp->sd_lockstruct.ls_ops->lm_punlock(
199 sdp->sd_lockstruct.ls_lockspace, name, file, fl);
200 return error;
201}
202
203void gfs2_lm_recovery_done(struct gfs2_sbd *sdp, unsigned int jid,
204 unsigned int message)
205{
206 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
207 sdp->sd_lockstruct.ls_ops->lm_recovery_done(
208 sdp->sd_lockstruct.ls_lockspace, jid, message);
209}
210
diff --git a/fs/gfs2/lm.h b/fs/gfs2/lm.h
deleted file mode 100644
index 21cdc30ee08c..000000000000
--- a/fs/gfs2/lm.h
+++ /dev/null
@@ -1,42 +0,0 @@
1/*
2 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
3 * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
4 *
5 * This copyrighted material is made available to anyone wishing to use,
6 * modify, copy, or redistribute it subject to the terms and conditions
7 * of the GNU General Public License version 2.
8 */
9
10#ifndef __LM_DOT_H__
11#define __LM_DOT_H__
12
13struct gfs2_sbd;
14
15#define GFS2_MIN_LVB_SIZE 32
16
17int gfs2_lm_mount(struct gfs2_sbd *sdp, int silent);
18void gfs2_lm_others_may_mount(struct gfs2_sbd *sdp);
19void gfs2_lm_unmount(struct gfs2_sbd *sdp);
20int gfs2_lm_withdraw(struct gfs2_sbd *sdp, char *fmt, ...)
21 __attribute__ ((format(printf, 2, 3)));
22int gfs2_lm_get_lock(struct gfs2_sbd *sdp, struct lm_lockname *name,
23 void **lockp);
24void gfs2_lm_put_lock(struct gfs2_sbd *sdp, void *lock);
25unsigned int gfs2_lm_lock(struct gfs2_sbd *sdp, void *lock,
26 unsigned int cur_state, unsigned int req_state,
27 unsigned int flags);
28unsigned int gfs2_lm_unlock(struct gfs2_sbd *sdp, void *lock,
29 unsigned int cur_state);
30void gfs2_lm_cancel(struct gfs2_sbd *sdp, void *lock);
31int gfs2_lm_hold_lvb(struct gfs2_sbd *sdp, void *lock, char **lvbp);
32void gfs2_lm_unhold_lvb(struct gfs2_sbd *sdp, void *lock, char *lvb);
33int gfs2_lm_plock_get(struct gfs2_sbd *sdp, struct lm_lockname *name,
34 struct file *file, struct file_lock *fl);
35int gfs2_lm_plock(struct gfs2_sbd *sdp, struct lm_lockname *name,
36 struct file *file, int cmd, struct file_lock *fl);
37int gfs2_lm_punlock(struct gfs2_sbd *sdp, struct lm_lockname *name,
38 struct file *file, struct file_lock *fl);
39void gfs2_lm_recovery_done(struct gfs2_sbd *sdp, unsigned int jid,
40 unsigned int message);
41
42#endif /* __LM_DOT_H__ */
diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c
index f4842f2548cd..f97a8b86c485 100644
--- a/fs/gfs2/ops_file.c
+++ b/fs/gfs2/ops_file.c
@@ -30,7 +30,6 @@
30#include "glock.h" 30#include "glock.h"
31#include "glops.h" 31#include "glops.h"
32#include "inode.h" 32#include "inode.h"
33#include "lm.h"
34#include "log.h" 33#include "log.h"
35#include "meta_io.h" 34#include "meta_io.h"
36#include "quota.h" 35#include "quota.h"
@@ -596,6 +595,36 @@ static int gfs2_setlease(struct file *file, long arg, struct file_lock **fl)
596 return generic_setlease(file, arg, fl); 595 return generic_setlease(file, arg, fl);
597} 596}
598 597
598static int gfs2_lm_plock_get(struct gfs2_sbd *sdp, struct lm_lockname *name,
599 struct file *file, struct file_lock *fl)
600{
601 int error = -EIO;
602 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
603 error = sdp->sd_lockstruct.ls_ops->lm_plock_get(
604 sdp->sd_lockstruct.ls_lockspace, name, file, fl);
605 return error;
606}
607
608static int gfs2_lm_plock(struct gfs2_sbd *sdp, struct lm_lockname *name,
609 struct file *file, int cmd, struct file_lock *fl)
610{
611 int error = -EIO;
612 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
613 error = sdp->sd_lockstruct.ls_ops->lm_plock(
614 sdp->sd_lockstruct.ls_lockspace, name, file, cmd, fl);
615 return error;
616}
617
618static int gfs2_lm_punlock(struct gfs2_sbd *sdp, struct lm_lockname *name,
619 struct file *file, struct file_lock *fl)
620{
621 int error = -EIO;
622 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
623 error = sdp->sd_lockstruct.ls_ops->lm_punlock(
624 sdp->sd_lockstruct.ls_lockspace, name, file, fl);
625 return error;
626}
627
599/** 628/**
600 * gfs2_lock - acquire/release a posix lock on a file 629 * gfs2_lock - acquire/release a posix lock on a file
601 * @file: the file pointer 630 * @file: the file pointer
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 4bee6aa845e4..5b6a34517167 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -26,7 +26,6 @@
26#include "glock.h" 26#include "glock.h"
27#include "glops.h" 27#include "glops.h"
28#include "inode.h" 28#include "inode.h"
29#include "lm.h"
30#include "mount.h" 29#include "mount.h"
31#include "ops_fstype.h" 30#include "ops_fstype.h"
32#include "ops_dentry.h" 31#include "ops_dentry.h"
@@ -363,6 +362,13 @@ static int map_journal_extents(struct gfs2_sbd *sdp)
363 return rc; 362 return rc;
364} 363}
365 364
365static void gfs2_lm_others_may_mount(struct gfs2_sbd *sdp)
366{
367 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
368 sdp->sd_lockstruct.ls_ops->lm_others_may_mount(
369 sdp->sd_lockstruct.ls_lockspace);
370}
371
366static int init_journal(struct gfs2_sbd *sdp, int undo) 372static int init_journal(struct gfs2_sbd *sdp, int undo)
367{ 373{
368 struct gfs2_holder ji_gh; 374 struct gfs2_holder ji_gh;
@@ -705,6 +711,69 @@ fail:
705} 711}
706 712
707/** 713/**
714 * gfs2_lm_mount - mount a locking protocol
715 * @sdp: the filesystem
716 * @args: mount arguements
717 * @silent: if 1, don't complain if the FS isn't a GFS2 fs
718 *
719 * Returns: errno
720 */
721
722static int gfs2_lm_mount(struct gfs2_sbd *sdp, int silent)
723{
724 char *proto = sdp->sd_proto_name;
725 char *table = sdp->sd_table_name;
726 int flags = 0;
727 int error;
728
729 if (sdp->sd_args.ar_spectator)
730 flags |= LM_MFLAG_SPECTATOR;
731
732 fs_info(sdp, "Trying to join cluster \"%s\", \"%s\"\n", proto, table);
733
734 error = gfs2_mount_lockproto(proto, table, sdp->sd_args.ar_hostdata,
735 gfs2_glock_cb, sdp,
736 GFS2_MIN_LVB_SIZE, flags,
737 &sdp->sd_lockstruct, &sdp->sd_kobj);
738 if (error) {
739 fs_info(sdp, "can't mount proto=%s, table=%s, hostdata=%s\n",
740 proto, table, sdp->sd_args.ar_hostdata);
741 goto out;
742 }
743
744 if (gfs2_assert_warn(sdp, sdp->sd_lockstruct.ls_lockspace) ||
745 gfs2_assert_warn(sdp, sdp->sd_lockstruct.ls_ops) ||
746 gfs2_assert_warn(sdp, sdp->sd_lockstruct.ls_lvb_size >=
747 GFS2_MIN_LVB_SIZE)) {
748 gfs2_unmount_lockproto(&sdp->sd_lockstruct);
749 goto out;
750 }
751
752 if (sdp->sd_args.ar_spectator)
753 snprintf(sdp->sd_fsname, GFS2_FSNAME_LEN, "%s.s", table);
754 else
755 snprintf(sdp->sd_fsname, GFS2_FSNAME_LEN, "%s.%u", table,
756 sdp->sd_lockstruct.ls_jid);
757
758 fs_info(sdp, "Joined cluster. Now mounting FS...\n");
759
760 if ((sdp->sd_lockstruct.ls_flags & LM_LSFLAG_LOCAL) &&
761 !sdp->sd_args.ar_ignore_local_fs) {
762 sdp->sd_args.ar_localflocks = 1;
763 sdp->sd_args.ar_localcaching = 1;
764 }
765
766out:
767 return error;
768}
769
770void gfs2_lm_unmount(struct gfs2_sbd *sdp)
771{
772 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
773 gfs2_unmount_lockproto(&sdp->sd_lockstruct);
774}
775
776/**
708 * fill_super - Read in superblock 777 * fill_super - Read in superblock
709 * @sb: The VFS superblock 778 * @sb: The VFS superblock
710 * @data: Mount options 779 * @data: Mount options
diff --git a/fs/gfs2/ops_super.c b/fs/gfs2/ops_super.c
index 5e524217944a..2278c68b7e35 100644
--- a/fs/gfs2/ops_super.c
+++ b/fs/gfs2/ops_super.c
@@ -25,7 +25,6 @@
25#include "incore.h" 25#include "incore.h"
26#include "glock.h" 26#include "glock.h"
27#include "inode.h" 27#include "inode.h"
28#include "lm.h"
29#include "log.h" 28#include "log.h"
30#include "mount.h" 29#include "mount.h"
31#include "ops_super.h" 30#include "ops_super.h"
diff --git a/fs/gfs2/recovery.c b/fs/gfs2/recovery.c
index 6fb07d67ca8a..b17d3b8b2321 100644
--- a/fs/gfs2/recovery.c
+++ b/fs/gfs2/recovery.c
@@ -20,7 +20,6 @@
20#include "bmap.h" 20#include "bmap.h"
21#include "glock.h" 21#include "glock.h"
22#include "glops.h" 22#include "glops.h"
23#include "lm.h"
24#include "lops.h" 23#include "lops.h"
25#include "meta_io.h" 24#include "meta_io.h"
26#include "recovery.h" 25#include "recovery.h"
@@ -425,6 +424,16 @@ static int clean_journal(struct gfs2_jdesc *jd, struct gfs2_log_header_host *hea
425 return error; 424 return error;
426} 425}
427 426
427
428static void gfs2_lm_recovery_done(struct gfs2_sbd *sdp, unsigned int jid,
429 unsigned int message)
430{
431 if (likely(!test_bit(SDF_SHUTDOWN, &sdp->sd_flags)))
432 sdp->sd_lockstruct.ls_ops->lm_recovery_done(
433 sdp->sd_lockstruct.ls_lockspace, jid, message);
434}
435
436
428/** 437/**
429 * gfs2_recover_journal - recovery a given journal 438 * gfs2_recover_journal - recovery a given journal
430 * @jd: the struct gfs2_jdesc describing the journal 439 * @jd: the struct gfs2_jdesc describing the journal
diff --git a/fs/gfs2/super.h b/fs/gfs2/super.h
index 60a870e430be..44361ecc44f7 100644
--- a/fs/gfs2/super.h
+++ b/fs/gfs2/super.h
@@ -17,6 +17,7 @@ void gfs2_tune_init(struct gfs2_tune *gt);
17int gfs2_check_sb(struct gfs2_sbd *sdp, struct gfs2_sb_host *sb, int silent); 17int gfs2_check_sb(struct gfs2_sbd *sdp, struct gfs2_sb_host *sb, int silent);
18int gfs2_read_sb(struct gfs2_sbd *sdp, struct gfs2_glock *gl, int silent); 18int gfs2_read_sb(struct gfs2_sbd *sdp, struct gfs2_glock *gl, int silent);
19int gfs2_read_super(struct gfs2_sbd *sdp, sector_t sector); 19int gfs2_read_super(struct gfs2_sbd *sdp, sector_t sector);
20void gfs2_lm_unmount(struct gfs2_sbd *sdp);
20 21
21static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp) 22static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp)
22{ 23{
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index eaa3b7b2f99e..cc35ec862ee8 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -20,7 +20,6 @@
20 20
21#include "gfs2.h" 21#include "gfs2.h"
22#include "incore.h" 22#include "incore.h"
23#include "lm.h"
24#include "sys.h" 23#include "sys.h"
25#include "super.h" 24#include "super.h"
26#include "glock.h" 25#include "glock.h"
diff --git a/fs/gfs2/util.c b/fs/gfs2/util.c
index fe9c28ef77b0..d31e355c61fb 100644
--- a/fs/gfs2/util.c
+++ b/fs/gfs2/util.c
@@ -19,7 +19,6 @@
19#include "gfs2.h" 19#include "gfs2.h"
20#include "incore.h" 20#include "incore.h"
21#include "glock.h" 21#include "glock.h"
22#include "lm.h"
23#include "util.h" 22#include "util.h"
24 23
25struct kmem_cache *gfs2_glock_cachep __read_mostly; 24struct kmem_cache *gfs2_glock_cachep __read_mostly;
@@ -33,6 +32,28 @@ void gfs2_assert_i(struct gfs2_sbd *sdp)
33 sdp->sd_fsname); 32 sdp->sd_fsname);
34} 33}
35 34
35int gfs2_lm_withdraw(struct gfs2_sbd *sdp, char *fmt, ...)
36{
37 va_list args;
38
39 if (test_and_set_bit(SDF_SHUTDOWN, &sdp->sd_flags))
40 return 0;
41
42 va_start(args, fmt);
43 vprintk(fmt, args);
44 va_end(args);
45
46 fs_err(sdp, "about to withdraw this file system\n");
47 BUG_ON(sdp->sd_args.ar_debug);
48
49 fs_err(sdp, "telling LM to withdraw\n");
50 gfs2_withdraw_lockproto(&sdp->sd_lockstruct);
51 fs_err(sdp, "withdrawn\n");
52 dump_stack();
53
54 return -1;
55}
56
36/** 57/**
37 * gfs2_assert_withdraw_i - Cause the machine to withdraw if @assertion is false 58 * gfs2_assert_withdraw_i - Cause the machine to withdraw if @assertion is false
38 * Returns: -1 if this call withdrew the machine, 59 * Returns: -1 if this call withdrew the machine,
diff --git a/fs/gfs2/util.h b/fs/gfs2/util.h
index ac0c567ebc36..509c5d60bd80 100644
--- a/fs/gfs2/util.h
+++ b/fs/gfs2/util.h
@@ -164,6 +164,7 @@ gfs2_tune_get_i(&(sdp)->sd_tune, &(sdp)->sd_tune.field)
164 164
165void gfs2_icbit_munge(struct gfs2_sbd *sdp, unsigned char **bitmap, 165void gfs2_icbit_munge(struct gfs2_sbd *sdp, unsigned char **bitmap,
166 unsigned int bit, int new_value); 166 unsigned int bit, int new_value);
167int gfs2_lm_withdraw(struct gfs2_sbd *sdp, char *fmt, ...);
167 168
168#endif /* __UTIL_DOT_H__ */ 169#endif /* __UTIL_DOT_H__ */
169 170
generated by cgit v1.2.2 (git 2.25.0) at 2024-09-28 23:36:17 -0400