#include "buffer_head_io.h"
-/*
- * Globals
- */
-static spinlock_t ocfs2_globals_lock = SPIN_LOCK_UNLOCKED;
-
-static u32 osb_id; /* Keeps track of next available OSB Id */
-
-static kmem_cache_t *ocfs2_inode_cachep = NULL;
-
-kmem_cache_t *ocfs2_lock_cache = NULL;
+static struct kmem_cache *ocfs2_inode_cachep = NULL;
/* OCFS2 needs to schedule several differnt types of work which
* require cluster locking, disk I/O, recovery waits, etc. Since these
static void ocfs2_free_mem_caches(void);
static void ocfs2_delete_osb(struct ocfs2_super *osb);
-static int ocfs2_statfs(struct super_block *sb, struct kstatfs *buf);
+static int ocfs2_statfs(struct dentry *dentry, struct kstatfs *buf);
static int ocfs2_sync_fs(struct super_block *sb, int wait);
Opt_hb_local,
Opt_data_ordered,
Opt_data_writeback,
+ Opt_atime_quantum,
+ Opt_tag, Opt_notag, Opt_tagid,
Opt_err,
};
{Opt_hb_local, OCFS2_HB_LOCAL},
{Opt_data_ordered, "data=ordered"},
{Opt_data_writeback, "data=writeback"},
+ {Opt_atime_quantum, "atime_quantum=%u"},
+ {Opt_tag, "tag"},
+ {Opt_tag, "tagxid"},
+ {Opt_notag, "notag"},
+ {Opt_tagid, "tagid=%u"},
{Opt_err, NULL}
};
mlog_entry_void();
- new = ocfs2_iget(osb, osb->root_blkno);
+ new = ocfs2_iget(osb, osb->root_blkno, OCFS2_FI_FLAG_SYSFILE);
if (IS_ERR(new)) {
status = PTR_ERR(new);
mlog_errno(status);
}
osb->root_inode = new;
- new = ocfs2_iget(osb, osb->system_dir_blkno);
+ new = ocfs2_iget(osb, osb->system_dir_blkno, OCFS2_FI_FLAG_SYSFILE);
if (IS_ERR(new)) {
status = PTR_ERR(new);
mlog_errno(status);
{
struct ocfs2_inode_info *oi;
- oi = kmem_cache_alloc(ocfs2_inode_cachep, SLAB_NOFS);
+ oi = kmem_cache_alloc(ocfs2_inode_cachep, GFP_NOFS);
if (!oi)
return NULL;
#if BITS_PER_LONG == 32
# if defined(CONFIG_LBD)
- BUG_ON(sizeof(sector_t) != 8);
+ BUILD_BUG_ON(sizeof(sector_t) != 8);
pagefactor = PAGE_CACHE_SIZE;
bitshift = BITS_PER_LONG;
# else
goto out;
}
+ printk("ocfs2_remount: %lx,%lx\n", osb->s_mount_opt, sb->s_flags);
+ if ((parsed_options & OCFS2_MOUNT_TAGGED) &&
+ !(sb->s_flags & MS_TAGGED)) {
+ ret = -EINVAL;
+ mlog(ML_ERROR, "Cannot change tagging on remount\n");
+ goto out;
+ }
+
if ((osb->s_mount_opt & OCFS2_MOUNT_HB_LOCAL) !=
(parsed_options & OCFS2_MOUNT_HB_LOCAL)) {
ret = -EINVAL;
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;
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, 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;
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("ocfs2: Mounting device (%u,%u) on (node %d, slot %d) with %s "
- "data mode.\n",
- MAJOR(sb->s_dev), MINOR(sb->s_dev), osb->node_num,
- osb->slot_num,
+ if (osb->s_mount_opt & OCFS2_MOUNT_TAGGED)
+ sb->s_flags |= MS_TAGGED;
+
+ 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, nodestr, osb->slot_num,
osb->s_mount_opt & OCFS2_MOUNT_DATA_WRITEBACK ? "writeback" :
"ordered");
return status;
}
-static struct super_block *ocfs2_get_sb(struct file_system_type *fs_type,
- int flags,
- const char *dev_name,
- void *data)
+static int ocfs2_get_sb(struct file_system_type *fs_type,
+ int flags,
+ const char *dev_name,
+ void *data,
+ struct vfsmount *mnt)
{
- return get_sb_bdev(fs_type, flags, dev_name, data, ocfs2_fill_super);
+ return get_sb_bdev(fs_type, flags, dev_name, data, ocfs2_fill_super,
+ mnt);
}
static struct file_system_type ocfs2_fs_type = {
.kill_sb = kill_block_super, /* set to the generic one
* right now, but do we
* need to change that? */
- .fs_flags = FS_REQUIRES_DEV,
+ .fs_flags = FS_REQUIRES_DEV|FS_RENAME_DOES_D_MOVE,
.next = NULL
};
while ((p = strsep(&options, ",")) != NULL) {
int token, option;
substring_t args[MAX_OPT_ARGS];
+ struct ocfs2_super * osb = OCFS2_SB(sb);
if (!*p)
continue;
case Opt_data_writeback:
*mount_opt |= OCFS2_MOUNT_DATA_WRITEBACK;
break;
+ case Opt_atime_quantum:
+ if (match_int(&args[0], &option)) {
+ status = 0;
+ goto bail;
+ }
+ if (option >= 0)
+ osb->s_atime_quantum = option;
+ else
+ osb->s_atime_quantum = OCFS2_DEFAULT_ATIME_QUANTUM;
+ break;
+#ifndef CONFIG_TAGGING_NONE
+ case Opt_tag:
+ *mount_opt |= OCFS2_MOUNT_TAGGED;
+ break;
+ case Opt_notag:
+ *mount_opt &= ~OCFS2_MOUNT_TAGGED;
+ break;
+#endif
+#ifdef CONFIG_PROPAGATE
+ case Opt_tagid:
+ /* use args[0] */
+ *mount_opt |= OCFS2_MOUNT_TAGGED;
+ break;
+#endif
default:
mlog(ML_ERROR,
"Unrecognized mount option \"%s\" "
goto leave;
}
- spin_lock(&ocfs2_globals_lock);
- osb_id = 0;
- spin_unlock(&ocfs2_globals_lock);
-
ocfs2_debugfs_root = debugfs_create_dir("ocfs2", NULL);
if (!ocfs2_debugfs_root) {
status = -EFAULT;
mlog_exit_void();
}
-static int ocfs2_statfs(struct super_block *sb, struct kstatfs *buf)
+static int ocfs2_statfs(struct dentry *dentry, struct kstatfs *buf)
{
struct ocfs2_super *osb;
u32 numbits, freebits;
struct buffer_head *bh = NULL;
struct inode *inode = NULL;
- mlog_entry("(%p, %p)\n", sb, buf);
+ mlog_entry("(%p, %p)\n", dentry->d_sb, buf);
- osb = OCFS2_SB(sb);
+ osb = OCFS2_SB(dentry->d_sb);
inode = ocfs2_get_system_file_inode(osb,
GLOBAL_BITMAP_SYSTEM_INODE,
goto bail;
}
- status = ocfs2_meta_lock(inode, NULL, &bh, 0);
+ status = ocfs2_meta_lock(inode, &bh, 0);
if (status < 0) {
mlog_errno(status);
goto bail;
freebits = numbits - le32_to_cpu(bm_lock->id1.bitmap1.i_used);
buf->f_type = OCFS2_SUPER_MAGIC;
- buf->f_bsize = sb->s_blocksize;
+ buf->f_bsize = dentry->d_sb->s_blocksize;
buf->f_namelen = OCFS2_MAX_FILENAME_LEN;
buf->f_blocks = ((sector_t) numbits) *
(osb->s_clustersize >> osb->sb->s_blocksize_bits);
}
static void ocfs2_inode_init_once(void *data,
- kmem_cache_t *cachep,
+ struct kmem_cache *cachep,
unsigned long flags)
{
struct ocfs2_inode_info *oi = data;
oi->ip_open_count = 0;
spin_lock_init(&oi->ip_lock);
ocfs2_extent_map_init(&oi->vfs_inode);
- INIT_LIST_HEAD(&oi->ip_handle_list);
INIT_LIST_HEAD(&oi->ip_io_markers);
- oi->ip_handle = NULL;
oi->ip_created_trans = 0;
oi->ip_last_trans = 0;
oi->ip_dir_start_lookup = 0;
static int ocfs2_initialize_mem_caches(void)
{
ocfs2_inode_cachep = kmem_cache_create("ocfs2_inode_cache",
- sizeof(struct ocfs2_inode_info),
- 0, SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT,
- ocfs2_inode_init_once, NULL);
+ sizeof(struct ocfs2_inode_info),
+ 0,
+ (SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT|
+ SLAB_MEM_SPREAD),
+ ocfs2_inode_init_once, NULL);
if (!ocfs2_inode_cachep)
return -ENOMEM;
- ocfs2_lock_cache = kmem_cache_create("ocfs2_lock",
- sizeof(struct ocfs2_journal_lock),
- 0,
- SLAB_NO_REAP|SLAB_HWCACHE_ALIGN,
- NULL, NULL);
- if (!ocfs2_lock_cache)
- return -ENOMEM;
-
return 0;
}
{
if (ocfs2_inode_cachep)
kmem_cache_destroy(ocfs2_inode_cachep);
- if (ocfs2_lock_cache)
- kmem_cache_destroy(ocfs2_lock_cache);
ocfs2_inode_cachep = NULL;
- ocfs2_lock_cache = NULL;
}
static int ocfs2_get_sector(struct super_block *sb,
/* 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 bail;
}
- mlog(ML_NOTICE, "I am node %d\n", osb->node_num);
+ mlog(0, "I am node %d\n", osb->node_num);
status = 0;
bail:
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("ocfs2: Unmounting device (%u,%u) on (node %d)\n",
- MAJOR(osb->sb->s_dev), MINOR(osb->sb->s_dev), 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;
- memcpy(osb->uuid, uuid, OCFS2_VOL_UUID_LEN);
-
for (i = 0, ptr = osb->uuid_str; i < OCFS2_VOL_UUID_LEN; i++) {
/* print with null */
ret = snprintf(ptr, 3, "%02X", uuid[i]);
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);
init_waitqueue_head(&osb->checkpoint_event);
atomic_set(&osb->needs_checkpoint, 0);
+ osb->s_atime_quantum = OCFS2_DEFAULT_ATIME_QUANTUM;
+
osb->node_num = O2NM_INVALID_NODE_NUM;
osb->slot_num = OCFS2_INVALID_SLOT;
goto bail;
}
- osb->uuid = kmalloc(OCFS2_VOL_UUID_LEN, GFP_KERNEL);
- if (!osb->uuid) {
- mlog(ML_ERROR, "unable to alloc uuid\n");
- status = -ENOMEM;
- goto bail;
- }
-
di = (struct ocfs2_dinode *)bh->b_data;
osb->max_slots = le16_to_cpu(di->id2.i_super.s_max_slots);
status = -EINVAL;
goto bail;
}
- mlog(ML_NOTICE, "max_slots for this device: %u\n", osb->max_slots);
+ mlog(0, "max_slots for this device: %u\n", osb->max_slots);
init_waitqueue_head(&osb->osb_wipe_event);
osb->osb_orphan_wipes = kcalloc(osb->max_slots,
*/
/* 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;
spin_lock_init(&journal->j_lock);
journal->j_trans_id = (unsigned long) 1;
INIT_LIST_HEAD(&journal->j_la_cleanups);
- INIT_WORK(&journal->j_recovery_work, ocfs2_complete_recovery, osb);
+ INIT_WORK(&journal->j_recovery_work, ocfs2_complete_recovery);
journal->j_state = OCFS2_JOURNAL_FREE;
/* get some pseudo constants for clustersize bits */
goto bail;
}
- memcpy(&uuid_net_key, &osb->uuid[i], sizeof(osb->net_key));
+ memcpy(&uuid_net_key, di->id2.i_super.s_uuid, sizeof(uuid_net_key));
osb->net_key = le32_to_cpu(uuid_net_key);
strncpy(osb->vol_label, di->id2.i_super.s_label, 63);
osb->fs_generation = le32_to_cpu(di->i_fs_generation);
mlog(0, "vol_label: %s\n", osb->vol_label);
mlog(0, "uuid: %s\n", osb->uuid_str);
- mlog(0, "root_blkno=%"MLFu64", system_dir_blkno=%"MLFu64"\n",
- osb->root_blkno, osb->system_dir_blkno);
+ mlog(0, "root_blkno=%llu, system_dir_blkno=%llu\n",
+ (unsigned long long)osb->root_blkno,
+ (unsigned long long)osb->system_dir_blkno);
osb->osb_dlm_debug = ocfs2_new_dlm_debug();
if (!osb->osb_dlm_debug) {
osb->bitmap_blkno = OCFS2_I(inode)->ip_blkno;
+ /* We don't have a cluster lock on the bitmap here because
+ * we're only interested in static information and the extra
+ * complexity at mount time isn't worht it. Don't pass the
+ * inode in to the read function though as we don't want it to
+ * be put in the cache. */
status = ocfs2_read_block(osb, osb->bitmap_blkno, &bitmap_bh, 0,
- inode);
+ NULL);
iput(inode);
if (status < 0) {
mlog_errno(status);
di = (struct ocfs2_dinode *) bitmap_bh->b_data;
osb->bitmap_cpg = le16_to_cpu(di->id2.i_chain.cl_cpg);
- osb->num_clusters = le32_to_cpu(di->id1.bitmap1.i_total);
brelse(bitmap_bh);
- mlog(0, "cluster bitmap inode: %"MLFu64", clusters per group: %u\n",
- osb->bitmap_blkno, osb->bitmap_cpg);
+ mlog(0, "cluster bitmap inode: %llu, clusters per group: %u\n",
+ (unsigned long long)osb->bitmap_blkno, osb->bitmap_cpg);
status = ocfs2_init_slot_info(osb);
if (status < 0) {
goto bail;
}
- /* Link this osb onto the global linked list of all osb structures. */
- /* The Global Link List is mainted for the whole driver . */
- spin_lock(&ocfs2_globals_lock);
- osb->osb_id = osb_id;
- if (osb_id < OCFS2_MAX_OSB_ID)
- osb_id++;
- else {
- mlog(ML_ERROR, "Too many volumes mounted\n");
- status = -ENOMEM;
- }
- spin_unlock(&ocfs2_globals_lock);
-
bail:
mlog_exit(status);
return status;
OCFS2_MINOR_REV_LEVEL);
} else if (bh->b_blocknr != le64_to_cpu(di->i_blkno)) {
mlog(ML_ERROR, "bad block number on superblock: "
- "found %"MLFu64", should be %llu\n",
- di->i_blkno, (unsigned long long)bh->b_blocknr);
+ "found %llu, should be %llu\n",
+ (unsigned long long)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) {
mlog(ML_ERROR, "bad cluster size found: %u\n",
{
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. */
va_list args;
va_start(args, fmt);
- vsprintf(error_buf, fmt, args);
+ vsnprintf(error_buf, sizeof(error_buf), fmt, args);
va_end(args);
/* Not using mlog here because we want to show the actual
va_list args;
va_start(args, fmt);
- vsprintf(error_buf, fmt, args);
+ vsnprintf(error_buf, sizeof(error_buf), fmt, args);
va_end(args);
printk(KERN_CRIT "OCFS2: abort (device %s): %s: %s\n",
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