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-rw-r--r--fs/ocfs2/super.c140
1 files changed, 70 insertions, 70 deletions
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 5ee775420665..01fe40ee5ea9 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -65,7 +65,6 @@
65#include "sysfile.h" 65#include "sysfile.h"
66#include "uptodate.h" 66#include "uptodate.h"
67#include "ver.h" 67#include "ver.h"
68#include "vote.h"
69 68
70#include "buffer_head_io.h" 69#include "buffer_head_io.h"
71 70
@@ -84,9 +83,11 @@ MODULE_LICENSE("GPL");
84 83
85struct mount_options 84struct mount_options
86{ 85{
86 unsigned long commit_interval;
87 unsigned long mount_opt; 87 unsigned long mount_opt;
88 unsigned int atime_quantum; 88 unsigned int atime_quantum;
89 signed short slot; 89 signed short slot;
90 unsigned int localalloc_opt;
90}; 91};
91 92
92static int ocfs2_parse_options(struct super_block *sb, char *options, 93static int ocfs2_parse_options(struct super_block *sb, char *options,
@@ -150,6 +151,9 @@ enum {
150 Opt_data_writeback, 151 Opt_data_writeback,
151 Opt_atime_quantum, 152 Opt_atime_quantum,
152 Opt_slot, 153 Opt_slot,
154 Opt_commit,
155 Opt_localalloc,
156 Opt_localflocks,
153 Opt_err, 157 Opt_err,
154}; 158};
155 159
@@ -165,6 +169,9 @@ static match_table_t tokens = {
165 {Opt_data_writeback, "data=writeback"}, 169 {Opt_data_writeback, "data=writeback"},
166 {Opt_atime_quantum, "atime_quantum=%u"}, 170 {Opt_atime_quantum, "atime_quantum=%u"},
167 {Opt_slot, "preferred_slot=%u"}, 171 {Opt_slot, "preferred_slot=%u"},
172 {Opt_commit, "commit=%u"},
173 {Opt_localalloc, "localalloc=%d"},
174 {Opt_localflocks, "localflocks"},
168 {Opt_err, NULL} 175 {Opt_err, NULL}
169}; 176};
170 177
@@ -213,7 +220,7 @@ static int ocfs2_init_global_system_inodes(struct ocfs2_super *osb)
213 220
214 mlog_entry_void(); 221 mlog_entry_void();
215 222
216 new = ocfs2_iget(osb, osb->root_blkno, OCFS2_FI_FLAG_SYSFILE); 223 new = ocfs2_iget(osb, osb->root_blkno, OCFS2_FI_FLAG_SYSFILE, 0);
217 if (IS_ERR(new)) { 224 if (IS_ERR(new)) {
218 status = PTR_ERR(new); 225 status = PTR_ERR(new);
219 mlog_errno(status); 226 mlog_errno(status);
@@ -221,7 +228,7 @@ static int ocfs2_init_global_system_inodes(struct ocfs2_super *osb)
221 } 228 }
222 osb->root_inode = new; 229 osb->root_inode = new;
223 230
224 new = ocfs2_iget(osb, osb->system_dir_blkno, OCFS2_FI_FLAG_SYSFILE); 231 new = ocfs2_iget(osb, osb->system_dir_blkno, OCFS2_FI_FLAG_SYSFILE, 0);
225 if (IS_ERR(new)) { 232 if (IS_ERR(new)) {
226 status = PTR_ERR(new); 233 status = PTR_ERR(new);
227 mlog_errno(status); 234 mlog_errno(status);
@@ -443,6 +450,8 @@ unlock_osb:
443 osb->s_mount_opt = parsed_options.mount_opt; 450 osb->s_mount_opt = parsed_options.mount_opt;
444 osb->s_atime_quantum = parsed_options.atime_quantum; 451 osb->s_atime_quantum = parsed_options.atime_quantum;
445 osb->preferred_slot = parsed_options.slot; 452 osb->preferred_slot = parsed_options.slot;
453 if (parsed_options.commit_interval)
454 osb->osb_commit_interval = parsed_options.commit_interval;
446 455
447 if (!ocfs2_is_hard_readonly(osb)) 456 if (!ocfs2_is_hard_readonly(osb))
448 ocfs2_set_journal_params(osb); 457 ocfs2_set_journal_params(osb);
@@ -597,6 +606,8 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
597 osb->s_mount_opt = parsed_options.mount_opt; 606 osb->s_mount_opt = parsed_options.mount_opt;
598 osb->s_atime_quantum = parsed_options.atime_quantum; 607 osb->s_atime_quantum = parsed_options.atime_quantum;
599 osb->preferred_slot = parsed_options.slot; 608 osb->preferred_slot = parsed_options.slot;
609 osb->osb_commit_interval = parsed_options.commit_interval;
610 osb->local_alloc_size = parsed_options.localalloc_opt;
600 611
601 sb->s_magic = OCFS2_SUPER_MAGIC; 612 sb->s_magic = OCFS2_SUPER_MAGIC;
602 613
@@ -747,9 +758,11 @@ static int ocfs2_parse_options(struct super_block *sb,
747 mlog_entry("remount: %d, options: \"%s\"\n", is_remount, 758 mlog_entry("remount: %d, options: \"%s\"\n", is_remount,
748 options ? options : "(none)"); 759 options ? options : "(none)");
749 760
761 mopt->commit_interval = 0;
750 mopt->mount_opt = 0; 762 mopt->mount_opt = 0;
751 mopt->atime_quantum = OCFS2_DEFAULT_ATIME_QUANTUM; 763 mopt->atime_quantum = OCFS2_DEFAULT_ATIME_QUANTUM;
752 mopt->slot = OCFS2_INVALID_SLOT; 764 mopt->slot = OCFS2_INVALID_SLOT;
765 mopt->localalloc_opt = OCFS2_DEFAULT_LOCAL_ALLOC_SIZE;
753 766
754 if (!options) { 767 if (!options) {
755 status = 1; 768 status = 1;
@@ -816,6 +829,41 @@ static int ocfs2_parse_options(struct super_block *sb,
816 if (option) 829 if (option)
817 mopt->slot = (s16)option; 830 mopt->slot = (s16)option;
818 break; 831 break;
832 case Opt_commit:
833 option = 0;
834 if (match_int(&args[0], &option)) {
835 status = 0;
836 goto bail;
837 }
838 if (option < 0)
839 return 0;
840 if (option == 0)
841 option = JBD_DEFAULT_MAX_COMMIT_AGE;
842 mopt->commit_interval = HZ * option;
843 break;
844 case Opt_localalloc:
845 option = 0;
846 if (match_int(&args[0], &option)) {
847 status = 0;
848 goto bail;
849 }
850 if (option >= 0 && (option <= ocfs2_local_alloc_size(sb) * 8))
851 mopt->localalloc_opt = option;
852 break;
853 case Opt_localflocks:
854 /*
855 * Changing this during remount could race
856 * flock() requests, or "unbalance" existing
857 * ones (e.g., a lock is taken in one mode but
858 * dropped in the other). If users care enough
859 * to flip locking modes during remount, we
860 * could add a "local" flag to individual
861 * flock structures for proper tracking of
862 * state.
863 */
864 if (!is_remount)
865 mopt->mount_opt |= OCFS2_MOUNT_LOCALFLOCKS;
866 break;
819 default: 867 default:
820 mlog(ML_ERROR, 868 mlog(ML_ERROR,
821 "Unrecognized mount option \"%s\" " 869 "Unrecognized mount option \"%s\" "
@@ -864,6 +912,16 @@ static int ocfs2_show_options(struct seq_file *s, struct vfsmount *mnt)
864 if (osb->s_atime_quantum != OCFS2_DEFAULT_ATIME_QUANTUM) 912 if (osb->s_atime_quantum != OCFS2_DEFAULT_ATIME_QUANTUM)
865 seq_printf(s, ",atime_quantum=%u", osb->s_atime_quantum); 913 seq_printf(s, ",atime_quantum=%u", osb->s_atime_quantum);
866 914
915 if (osb->osb_commit_interval)
916 seq_printf(s, ",commit=%u",
917 (unsigned) (osb->osb_commit_interval / HZ));
918
919 if (osb->local_alloc_size != OCFS2_DEFAULT_LOCAL_ALLOC_SIZE)
920 seq_printf(s, ",localalloc=%d", osb->local_alloc_size);
921
922 if (opts & OCFS2_MOUNT_LOCALFLOCKS)
923 seq_printf(s, ",localflocks,");
924
867 return 0; 925 return 0;
868} 926}
869 927
@@ -965,7 +1023,7 @@ static int ocfs2_statfs(struct dentry *dentry, struct kstatfs *buf)
965 goto bail; 1023 goto bail;
966 } 1024 }
967 1025
968 status = ocfs2_meta_lock(inode, &bh, 0); 1026 status = ocfs2_inode_lock(inode, &bh, 0);
969 if (status < 0) { 1027 if (status < 0) {
970 mlog_errno(status); 1028 mlog_errno(status);
971 goto bail; 1029 goto bail;
@@ -989,7 +1047,7 @@ static int ocfs2_statfs(struct dentry *dentry, struct kstatfs *buf)
989 1047
990 brelse(bh); 1048 brelse(bh);
991 1049
992 ocfs2_meta_unlock(inode, 0); 1050 ocfs2_inode_unlock(inode, 0);
993 status = 0; 1051 status = 0;
994bail: 1052bail:
995 if (inode) 1053 if (inode)
@@ -1020,8 +1078,7 @@ static void ocfs2_inode_init_once(struct kmem_cache *cachep, void *data)
1020 oi->ip_clusters = 0; 1078 oi->ip_clusters = 0;
1021 1079
1022 ocfs2_lock_res_init_once(&oi->ip_rw_lockres); 1080 ocfs2_lock_res_init_once(&oi->ip_rw_lockres);
1023 ocfs2_lock_res_init_once(&oi->ip_meta_lockres); 1081 ocfs2_lock_res_init_once(&oi->ip_inode_lockres);
1024 ocfs2_lock_res_init_once(&oi->ip_data_lockres);
1025 ocfs2_lock_res_init_once(&oi->ip_open_lockres); 1082 ocfs2_lock_res_init_once(&oi->ip_open_lockres);
1026 1083
1027 ocfs2_metadata_cache_init(&oi->vfs_inode); 1084 ocfs2_metadata_cache_init(&oi->vfs_inode);
@@ -1117,25 +1174,12 @@ static int ocfs2_mount_volume(struct super_block *sb)
1117 goto leave; 1174 goto leave;
1118 } 1175 }
1119 1176
1120 status = ocfs2_register_hb_callbacks(osb);
1121 if (status < 0) {
1122 mlog_errno(status);
1123 goto leave;
1124 }
1125
1126 status = ocfs2_dlm_init(osb); 1177 status = ocfs2_dlm_init(osb);
1127 if (status < 0) { 1178 if (status < 0) {
1128 mlog_errno(status); 1179 mlog_errno(status);
1129 goto leave; 1180 goto leave;
1130 } 1181 }
1131 1182
1132 /* requires vote_thread to be running. */
1133 status = ocfs2_register_net_handlers(osb);
1134 if (status < 0) {
1135 mlog_errno(status);
1136 goto leave;
1137 }
1138
1139 status = ocfs2_super_lock(osb, 1); 1183 status = ocfs2_super_lock(osb, 1);
1140 if (status < 0) { 1184 if (status < 0) {
1141 mlog_errno(status); 1185 mlog_errno(status);
@@ -1150,8 +1194,6 @@ static int ocfs2_mount_volume(struct super_block *sb)
1150 goto leave; 1194 goto leave;
1151 } 1195 }
1152 1196
1153 ocfs2_populate_mounted_map(osb);
1154
1155 /* load all node-local system inodes */ 1197 /* load all node-local system inodes */
1156 status = ocfs2_init_local_system_inodes(osb); 1198 status = ocfs2_init_local_system_inodes(osb);
1157 if (status < 0) { 1199 if (status < 0) {
@@ -1174,15 +1216,6 @@ static int ocfs2_mount_volume(struct super_block *sb)
1174 if (ocfs2_mount_local(osb)) 1216 if (ocfs2_mount_local(osb))
1175 goto leave; 1217 goto leave;
1176 1218
1177 /* This should be sent *after* we recovered our journal as it
1178 * will cause other nodes to unmark us as needing
1179 * recovery. However, we need to send it *before* dropping the
1180 * super block lock as otherwise their recovery threads might
1181 * try to clean us up while we're live! */
1182 status = ocfs2_request_mount_vote(osb);
1183 if (status < 0)
1184 mlog_errno(status);
1185
1186leave: 1219leave:
1187 if (unlock_super) 1220 if (unlock_super)
1188 ocfs2_super_unlock(osb, 1); 1221 ocfs2_super_unlock(osb, 1);
@@ -1240,10 +1273,6 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err)
1240 mlog_errno(tmp); 1273 mlog_errno(tmp);
1241 return; 1274 return;
1242 } 1275 }
1243
1244 tmp = ocfs2_request_umount_vote(osb);
1245 if (tmp < 0)
1246 mlog_errno(tmp);
1247 } 1276 }
1248 1277
1249 if (osb->slot_num != OCFS2_INVALID_SLOT) 1278 if (osb->slot_num != OCFS2_INVALID_SLOT)
@@ -1254,13 +1283,8 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err)
1254 1283
1255 ocfs2_release_system_inodes(osb); 1284 ocfs2_release_system_inodes(osb);
1256 1285
1257 if (osb->dlm) { 1286 if (osb->dlm)
1258 ocfs2_unregister_net_handlers(osb);
1259
1260 ocfs2_dlm_shutdown(osb); 1287 ocfs2_dlm_shutdown(osb);
1261 }
1262
1263 ocfs2_clear_hb_callbacks(osb);
1264 1288
1265 debugfs_remove(osb->osb_debug_root); 1289 debugfs_remove(osb->osb_debug_root);
1266 1290
@@ -1315,7 +1339,6 @@ static int ocfs2_initialize_super(struct super_block *sb,
1315 int i, cbits, bbits; 1339 int i, cbits, bbits;
1316 struct ocfs2_dinode *di = (struct ocfs2_dinode *)bh->b_data; 1340 struct ocfs2_dinode *di = (struct ocfs2_dinode *)bh->b_data;
1317 struct inode *inode = NULL; 1341 struct inode *inode = NULL;
1318 struct buffer_head *bitmap_bh = NULL;
1319 struct ocfs2_journal *journal; 1342 struct ocfs2_journal *journal;
1320 __le32 uuid_net_key; 1343 __le32 uuid_net_key;
1321 struct ocfs2_super *osb; 1344 struct ocfs2_super *osb;
@@ -1344,19 +1367,13 @@ static int ocfs2_initialize_super(struct super_block *sb,
1344 osb->s_sectsize_bits = blksize_bits(sector_size); 1367 osb->s_sectsize_bits = blksize_bits(sector_size);
1345 BUG_ON(!osb->s_sectsize_bits); 1368 BUG_ON(!osb->s_sectsize_bits);
1346 1369
1347 osb->net_response_ids = 0;
1348 spin_lock_init(&osb->net_response_lock);
1349 INIT_LIST_HEAD(&osb->net_response_list);
1350
1351 INIT_LIST_HEAD(&osb->osb_net_handlers);
1352 init_waitqueue_head(&osb->recovery_event); 1370 init_waitqueue_head(&osb->recovery_event);
1353 spin_lock_init(&osb->vote_task_lock); 1371 spin_lock_init(&osb->dc_task_lock);
1354 init_waitqueue_head(&osb->vote_event); 1372 init_waitqueue_head(&osb->dc_event);
1355 osb->vote_work_sequence = 0; 1373 osb->dc_work_sequence = 0;
1356 osb->vote_wake_sequence = 0; 1374 osb->dc_wake_sequence = 0;
1357 INIT_LIST_HEAD(&osb->blocked_lock_list); 1375 INIT_LIST_HEAD(&osb->blocked_lock_list);
1358 osb->blocked_lock_count = 0; 1376 osb->blocked_lock_count = 0;
1359 INIT_LIST_HEAD(&osb->vote_list);
1360 spin_lock_init(&osb->osb_lock); 1377 spin_lock_init(&osb->osb_lock);
1361 1378
1362 atomic_set(&osb->alloc_stats.moves, 0); 1379 atomic_set(&osb->alloc_stats.moves, 0);
@@ -1496,7 +1513,6 @@ static int ocfs2_initialize_super(struct super_block *sb,
1496 } 1513 }
1497 1514
1498 memcpy(&uuid_net_key, di->id2.i_super.s_uuid, sizeof(uuid_net_key)); 1515 memcpy(&uuid_net_key, di->id2.i_super.s_uuid, sizeof(uuid_net_key));
1499 osb->net_key = le32_to_cpu(uuid_net_key);
1500 1516
1501 strncpy(osb->vol_label, di->id2.i_super.s_label, 63); 1517 strncpy(osb->vol_label, di->id2.i_super.s_label, 63);
1502 osb->vol_label[63] = '\0'; 1518 osb->vol_label[63] = '\0';
@@ -1539,25 +1555,9 @@ static int ocfs2_initialize_super(struct super_block *sb,
1539 } 1555 }
1540 1556
1541 osb->bitmap_blkno = OCFS2_I(inode)->ip_blkno; 1557 osb->bitmap_blkno = OCFS2_I(inode)->ip_blkno;
1542
1543 /* We don't have a cluster lock on the bitmap here because
1544 * we're only interested in static information and the extra
1545 * complexity at mount time isn't worht it. Don't pass the
1546 * inode in to the read function though as we don't want it to
1547 * be put in the cache. */
1548 status = ocfs2_read_block(osb, osb->bitmap_blkno, &bitmap_bh, 0,
1549 NULL);
1550 iput(inode); 1558 iput(inode);
1551 if (status < 0) {
1552 mlog_errno(status);
1553 goto bail;
1554 }
1555 1559
1556 di = (struct ocfs2_dinode *) bitmap_bh->b_data; 1560 osb->bitmap_cpg = ocfs2_group_bitmap_size(sb) * 8;
1557 osb->bitmap_cpg = le16_to_cpu(di->id2.i_chain.cl_cpg);
1558 brelse(bitmap_bh);
1559 mlog(0, "cluster bitmap inode: %llu, clusters per group: %u\n",
1560 (unsigned long long)osb->bitmap_blkno, osb->bitmap_cpg);
1561 1561
1562 status = ocfs2_init_slot_info(osb); 1562 status = ocfs2_init_slot_info(osb);
1563 if (status < 0) { 1563 if (status < 0) {