MODULE_LICENSE("GPL");
static int ocfs2_parse_options(struct super_block *sb, char *options,
- unsigned long *mount_opt, int is_remount);
+ unsigned long *mount_opt, s16 *slot,
+ int is_remount);
static void ocfs2_put_super(struct super_block *sb);
static int ocfs2_mount_volume(struct super_block *sb);
static int ocfs2_remount(struct super_block *sb, int *flags, char *data);
static struct inode *ocfs2_alloc_inode(struct super_block *sb);
static void ocfs2_destroy_inode(struct inode *inode);
-static unsigned long long ocfs2_max_file_offset(unsigned int blockshift);
-
-static struct super_operations ocfs2_sops = {
+static const struct super_operations ocfs2_sops = {
.statfs = ocfs2_statfs,
.alloc_inode = ocfs2_alloc_inode,
.destroy_inode = ocfs2_destroy_inode,
Opt_data_ordered,
Opt_data_writeback,
Opt_atime_quantum,
+ Opt_slot,
Opt_err,
};
{Opt_data_ordered, "data=ordered"},
{Opt_data_writeback, "data=writeback"},
{Opt_atime_quantum, "atime_quantum=%u"},
+ {Opt_slot, "preferred_slot=%u"},
{Opt_err, NULL}
};
/* From xfs_super.c:xfs_max_file_offset
* Copyright (c) 2000-2004 Silicon Graphics, Inc.
*/
-static unsigned long long ocfs2_max_file_offset(unsigned int blockshift)
+unsigned long long ocfs2_max_file_offset(unsigned int blockshift)
{
unsigned int pagefactor = 1;
unsigned int bitshift = BITS_PER_LONG - 1;
int incompat_features;
int ret = 0;
unsigned long parsed_options;
+ s16 slot;
struct ocfs2_super *osb = OCFS2_SB(sb);
- if (!ocfs2_parse_options(sb, data, &parsed_options, 1)) {
+ if (!ocfs2_parse_options(sb, data, &parsed_options, &slot, 1)) {
ret = -EINVAL;
goto out;
}
return status;
}
+static int ocfs2_verify_heartbeat(struct ocfs2_super *osb)
+{
+ if (ocfs2_mount_local(osb)) {
+ if (osb->s_mount_opt & OCFS2_MOUNT_HB_LOCAL) {
+ mlog(ML_ERROR, "Cannot heartbeat on a locally "
+ "mounted device.\n");
+ return -EINVAL;
+ }
+ }
+
+ if (!(osb->s_mount_opt & OCFS2_MOUNT_HB_LOCAL)) {
+ if (!ocfs2_mount_local(osb) && !ocfs2_is_hard_readonly(osb)) {
+ mlog(ML_ERROR, "Heartbeat has to be started to mount "
+ "a read-write clustered device.\n");
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
{
struct dentry *root;
int status, sector_size;
unsigned long parsed_opt;
+ s16 slot;
struct inode *inode = NULL;
struct ocfs2_super *osb = NULL;
struct buffer_head *bh = NULL;
+ char nodestr[8];
mlog_entry("%p, %p, %i", sb, data, silent);
- /* for now we only have one cluster/node, make sure we see it
- * in the heartbeat universe */
- if (!o2hb_check_local_node_heartbeating()) {
+ if (!ocfs2_parse_options(sb, data, &parsed_opt, &slot, 0)) {
status = -EINVAL;
goto read_super_error;
}
+ /* for now we only have one cluster/node, make sure we see it
+ * in the heartbeat universe */
+ if (parsed_opt & OCFS2_MOUNT_HB_LOCAL) {
+ if (!o2hb_check_local_node_heartbeating()) {
+ status = -EINVAL;
+ goto read_super_error;
+ }
+ }
+
/* probe for superblock */
status = ocfs2_sb_probe(sb, &bh, §or_size);
if (status < 0) {
}
brelse(bh);
bh = NULL;
-
- if (!ocfs2_parse_options(sb, data, &parsed_opt, 0)) {
- status = -EINVAL;
- goto read_super_error;
- }
osb->s_mount_opt = parsed_opt;
+ osb->preferred_slot = slot;
sb->s_magic = OCFS2_SUPER_MAGIC;
}
if (!ocfs2_is_hard_readonly(osb)) {
- /* If this isn't a hard readonly mount, then we need
- * to make sure that heartbeat is in a valid state,
- * and that we mark ourselves soft readonly is -oro
- * was specified. */
- if (!(osb->s_mount_opt & OCFS2_MOUNT_HB_LOCAL)) {
- mlog(ML_ERROR, "No heartbeat for device (%s)\n",
- sb->s_id);
- status = -EINVAL;
- goto read_super_error;
- }
-
if (sb->s_flags & MS_RDONLY)
ocfs2_set_ro_flag(osb, 0);
}
+ status = ocfs2_verify_heartbeat(osb);
+ if (status < 0) {
+ mlog_errno(status);
+ goto read_super_error;
+ }
+
osb->osb_debug_root = debugfs_create_dir(osb->uuid_str,
ocfs2_debugfs_root);
if (!osb->osb_debug_root) {
ocfs2_complete_mount_recovery(osb);
- printk(KERN_INFO "ocfs2: Mounting device (%s) on (node %d, slot %d) "
+ if (ocfs2_mount_local(osb))
+ snprintf(nodestr, sizeof(nodestr), "local");
+ else
+ snprintf(nodestr, sizeof(nodestr), "%d", osb->node_num);
+
+ printk(KERN_INFO "ocfs2: Mounting device (%s) on (node %s, slot %d) "
"with %s data mode.\n",
- osb->dev_str, osb->node_num, osb->slot_num,
+ osb->dev_str, nodestr, osb->slot_num,
osb->s_mount_opt & OCFS2_MOUNT_DATA_WRITEBACK ? "writeback" :
"ordered");
static int ocfs2_parse_options(struct super_block *sb,
char *options,
unsigned long *mount_opt,
+ s16 *slot,
int is_remount)
{
int status;
options ? options : "(none)");
*mount_opt = 0;
+ *slot = OCFS2_INVALID_SLOT;
if (!options) {
status = 1;
else
osb->s_atime_quantum = OCFS2_DEFAULT_ATIME_QUANTUM;
break;
+ case Opt_slot:
+ option = 0;
+ if (match_int(&args[0], &option)) {
+ status = 0;
+ goto bail;
+ }
+ if (option)
+ *slot = (s16)option;
+ break;
default:
mlog(ML_ERROR,
"Unrecognized mount option \"%s\" "
ocfs2_print_version();
- if (init_ocfs2_extent_maps())
- return -ENOMEM;
-
status = init_ocfs2_uptodate_cache();
if (status < 0) {
mlog_errno(status);
if (status < 0) {
ocfs2_free_mem_caches();
exit_ocfs2_uptodate_cache();
- exit_ocfs2_extent_maps();
}
mlog_exit(status);
unregister_filesystem(&ocfs2_fs_type);
- exit_ocfs2_extent_maps();
-
exit_ocfs2_uptodate_cache();
mlog_exit_void();
{
struct ocfs2_inode_info *oi = data;
- if ((flags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) ==
- SLAB_CTOR_CONSTRUCTOR) {
- oi->ip_flags = 0;
- oi->ip_open_count = 0;
- spin_lock_init(&oi->ip_lock);
- ocfs2_extent_map_init(&oi->vfs_inode);
- INIT_LIST_HEAD(&oi->ip_io_markers);
- oi->ip_created_trans = 0;
- oi->ip_last_trans = 0;
- oi->ip_dir_start_lookup = 0;
+ oi->ip_flags = 0;
+ oi->ip_open_count = 0;
+ spin_lock_init(&oi->ip_lock);
+ ocfs2_extent_map_init(&oi->vfs_inode);
+ INIT_LIST_HEAD(&oi->ip_io_markers);
+ oi->ip_created_trans = 0;
+ oi->ip_last_trans = 0;
+ oi->ip_dir_start_lookup = 0;
- init_rwsem(&oi->ip_alloc_sem);
- mutex_init(&oi->ip_io_mutex);
+ init_rwsem(&oi->ip_alloc_sem);
+ mutex_init(&oi->ip_io_mutex);
- oi->ip_blkno = 0ULL;
- oi->ip_clusters = 0;
+ oi->ip_blkno = 0ULL;
+ oi->ip_clusters = 0;
- ocfs2_lock_res_init_once(&oi->ip_rw_lockres);
- ocfs2_lock_res_init_once(&oi->ip_meta_lockres);
- ocfs2_lock_res_init_once(&oi->ip_data_lockres);
+ ocfs2_lock_res_init_once(&oi->ip_rw_lockres);
+ ocfs2_lock_res_init_once(&oi->ip_meta_lockres);
+ ocfs2_lock_res_init_once(&oi->ip_data_lockres);
+ ocfs2_lock_res_init_once(&oi->ip_open_lockres);
- ocfs2_metadata_cache_init(&oi->vfs_inode);
+ ocfs2_metadata_cache_init(&oi->vfs_inode);
- inode_init_once(&oi->vfs_inode);
- }
+ inode_init_once(&oi->vfs_inode);
}
static int ocfs2_initialize_mem_caches(void)
/* XXX hold a ref on the node while mounte? easy enough, if
* desirable. */
- osb->node_num = o2nm_this_node();
+ if (ocfs2_mount_local(osb))
+ osb->node_num = 0;
+ else
+ osb->node_num = o2nm_this_node();
+
if (osb->node_num == O2NM_MAX_NODES) {
mlog(ML_ERROR, "could not find this host's node number\n");
status = -ENOENT;
goto leave;
}
+ if (ocfs2_mount_local(osb))
+ goto leave;
+
/* This should be sent *after* we recovered our journal as it
* will cause other nodes to unmark us as needing
* recovery. However, we need to send it *before* dropping the
{
int tmp;
struct ocfs2_super *osb = NULL;
+ char nodestr[8];
mlog_entry("(0x%p)\n", sb);
atomic_set(&osb->vol_state, VOLUME_DISMOUNTED);
- printk(KERN_INFO "ocfs2: Unmounting device (%s) on (node %d)\n",
- osb->dev_str, osb->node_num);
+ if (ocfs2_mount_local(osb))
+ snprintf(nodestr, sizeof(nodestr), "local");
+ else
+ snprintf(nodestr, sizeof(nodestr), "%d", osb->node_num);
+
+ printk(KERN_INFO "ocfs2: Unmounting device (%s) on (node %s)\n",
+ osb->dev_str, nodestr);
ocfs2_delete_osb(osb);
kfree(osb);
BUG_ON(uuid_bytes != OCFS2_VOL_UUID_LEN);
- osb->uuid_str = kcalloc(1, OCFS2_VOL_UUID_LEN * 2 + 1, GFP_KERNEL);
+ osb->uuid_str = kzalloc(OCFS2_VOL_UUID_LEN * 2 + 1, GFP_KERNEL);
if (osb->uuid_str == NULL)
return -ENOMEM;
mlog_entry_void();
- osb = kcalloc(1, sizeof(struct ocfs2_super), GFP_KERNEL);
+ osb = kzalloc(sizeof(struct ocfs2_super), GFP_KERNEL);
if (!osb) {
status = -ENOMEM;
mlog_errno(status);
*/
/* initialize our journal structure */
- journal = kcalloc(1, sizeof(struct ocfs2_journal), GFP_KERNEL);
+ journal = kzalloc(sizeof(struct ocfs2_journal), GFP_KERNEL);
if (!journal) {
mlog(ML_ERROR, "unable to alloc journal\n");
status = -ENOMEM;
} else if (bh->b_blocknr != le64_to_cpu(di->i_blkno)) {
mlog(ML_ERROR, "bad block number on superblock: "
"found %llu, should be %llu\n",
- (unsigned long long)di->i_blkno,
+ (unsigned long long)le64_to_cpu(di->i_blkno),
(unsigned long long)bh->b_blocknr);
} else if (le32_to_cpu(di->id2.i_super.s_clustersize_bits) < 12 ||
le32_to_cpu(di->id2.i_super.s_clustersize_bits) > 20) {
{
int status = 0;
int dirty;
+ int local;
struct ocfs2_dinode *local_alloc = NULL; /* only used if we
* recover
* ourselves. */
"recovering volume.\n");
}
+ local = ocfs2_mount_local(osb);
+
/* will play back anything left in the journal. */
- ocfs2_journal_load(osb->journal);
+ ocfs2_journal_load(osb->journal, local);
if (dirty) {
/* recover my local alloc if we didn't unmount cleanly. */