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Diffstat (limited to 'fs/ocfs2/super.c')
-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 @@
#include "sysfile.h"
#include "uptodate.h"
#include "ver.h"
-#include "vote.h"
#include "buffer_head_io.h"
@@ -84,9 +83,11 @@ MODULE_LICENSE("GPL");
struct mount_options
{
+ unsigned long commit_interval;
unsigned long mount_opt;
unsigned int atime_quantum;
signed short slot;
+ unsigned int localalloc_opt;
};
static int ocfs2_parse_options(struct super_block *sb, char *options,
@@ -150,6 +151,9 @@ enum {
Opt_data_writeback,
Opt_atime_quantum,
Opt_slot,
+ Opt_commit,
+ Opt_localalloc,
+ Opt_localflocks,
Opt_err,
};
@@ -165,6 +169,9 @@ static match_table_t tokens = {
{Opt_data_writeback, "data=writeback"},
{Opt_atime_quantum, "atime_quantum=%u"},
{Opt_slot, "preferred_slot=%u"},
+ {Opt_commit, "commit=%u"},
+ {Opt_localalloc, "localalloc=%d"},
+ {Opt_localflocks, "localflocks"},
{Opt_err, NULL}
};
@@ -213,7 +220,7 @@ static int ocfs2_init_global_system_inodes(struct ocfs2_super *osb)
mlog_entry_void();
- new = ocfs2_iget(osb, osb->root_blkno, OCFS2_FI_FLAG_SYSFILE);
+ new = ocfs2_iget(osb, osb->root_blkno, OCFS2_FI_FLAG_SYSFILE, 0);
if (IS_ERR(new)) {
status = PTR_ERR(new);
mlog_errno(status);
@@ -221,7 +228,7 @@ static int ocfs2_init_global_system_inodes(struct ocfs2_super *osb)
}
osb->root_inode = new;
- new = ocfs2_iget(osb, osb->system_dir_blkno, OCFS2_FI_FLAG_SYSFILE);
+ new = ocfs2_iget(osb, osb->system_dir_blkno, OCFS2_FI_FLAG_SYSFILE, 0);
if (IS_ERR(new)) {
status = PTR_ERR(new);
mlog_errno(status);
@@ -443,6 +450,8 @@ unlock_osb:
osb->s_mount_opt = parsed_options.mount_opt;
osb->s_atime_quantum = parsed_options.atime_quantum;
osb->preferred_slot = parsed_options.slot;
+ if (parsed_options.commit_interval)
+ osb->osb_commit_interval = parsed_options.commit_interval;
if (!ocfs2_is_hard_readonly(osb))
ocfs2_set_journal_params(osb);
@@ -597,6 +606,8 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
osb->s_mount_opt = parsed_options.mount_opt;
osb->s_atime_quantum = parsed_options.atime_quantum;
osb->preferred_slot = parsed_options.slot;
+ osb->osb_commit_interval = parsed_options.commit_interval;
+ osb->local_alloc_size = parsed_options.localalloc_opt;
sb->s_magic = OCFS2_SUPER_MAGIC;
@@ -747,9 +758,11 @@ static int ocfs2_parse_options(struct super_block *sb,
mlog_entry("remount: %d, options: \"%s\"\n", is_remount,
options ? options : "(none)");
+ mopt->commit_interval = 0;
mopt->mount_opt = 0;
mopt->atime_quantum = OCFS2_DEFAULT_ATIME_QUANTUM;
mopt->slot = OCFS2_INVALID_SLOT;
+ mopt->localalloc_opt = OCFS2_DEFAULT_LOCAL_ALLOC_SIZE;
if (!options) {
status = 1;
@@ -816,6 +829,41 @@ static int ocfs2_parse_options(struct super_block *sb,
if (option)
mopt->slot = (s16)option;
break;
+ case Opt_commit:
+ option = 0;
+ if (match_int(&args[0], &option)) {
+ status = 0;
+ goto bail;
+ }
+ if (option < 0)
+ return 0;
+ if (option == 0)
+ option = JBD_DEFAULT_MAX_COMMIT_AGE;
+ mopt->commit_interval = HZ * option;
+ break;
+ case Opt_localalloc:
+ option = 0;
+ if (match_int(&args[0], &option)) {
+ status = 0;
+ goto bail;
+ }
+ if (option >= 0 && (option <= ocfs2_local_alloc_size(sb) * 8))
+ mopt->localalloc_opt = option;
+ break;
+ case Opt_localflocks:
+ /*
+ * Changing this during remount could race
+ * flock() requests, or "unbalance" existing
+ * ones (e.g., a lock is taken in one mode but
+ * dropped in the other). If users care enough
+ * to flip locking modes during remount, we
+ * could add a "local" flag to individual
+ * flock structures for proper tracking of
+ * state.
+ */
+ if (!is_remount)
+ mopt->mount_opt |= OCFS2_MOUNT_LOCALFLOCKS;
+ break;
default:
mlog(ML_ERROR,
"Unrecognized mount option \"%s\" "
@@ -864,6 +912,16 @@ static int ocfs2_show_options(struct seq_file *s, struct vfsmount *mnt)
if (osb->s_atime_quantum != OCFS2_DEFAULT_ATIME_QUANTUM)
seq_printf(s, ",atime_quantum=%u", osb->s_atime_quantum);
+ if (osb->osb_commit_interval)
+ seq_printf(s, ",commit=%u",
+ (unsigned) (osb->osb_commit_interval / HZ));
+
+ if (osb->local_alloc_size != OCFS2_DEFAULT_LOCAL_ALLOC_SIZE)
+ seq_printf(s, ",localalloc=%d", osb->local_alloc_size);
+
+ if (opts & OCFS2_MOUNT_LOCALFLOCKS)
+ seq_printf(s, ",localflocks,");
+
return 0;
}
@@ -965,7 +1023,7 @@ static int ocfs2_statfs(struct dentry *dentry, struct kstatfs *buf)
goto bail;
}
- status = ocfs2_meta_lock(inode, &bh, 0);
+ status = ocfs2_inode_lock(inode, &bh, 0);
if (status < 0) {
mlog_errno(status);
goto bail;
@@ -989,7 +1047,7 @@ static int ocfs2_statfs(struct dentry *dentry, struct kstatfs *buf)
brelse(bh);
- ocfs2_meta_unlock(inode, 0);
+ ocfs2_inode_unlock(inode, 0);
status = 0;
bail:
if (inode)
@@ -1020,8 +1078,7 @@ static void ocfs2_inode_init_once(struct kmem_cache *cachep, void *data)
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_inode_lockres);
ocfs2_lock_res_init_once(&oi->ip_open_lockres);
ocfs2_metadata_cache_init(&oi->vfs_inode);
@@ -1117,25 +1174,12 @@ static int ocfs2_mount_volume(struct super_block *sb)
goto leave;
}
- status = ocfs2_register_hb_callbacks(osb);
- if (status < 0) {
- mlog_errno(status);
- goto leave;
- }
-
status = ocfs2_dlm_init(osb);
if (status < 0) {
mlog_errno(status);
goto leave;
}
- /* requires vote_thread to be running. */
- status = ocfs2_register_net_handlers(osb);
- if (status < 0) {
- mlog_errno(status);
- goto leave;
- }
-
status = ocfs2_super_lock(osb, 1);
if (status < 0) {
mlog_errno(status);
@@ -1150,8 +1194,6 @@ static int ocfs2_mount_volume(struct super_block *sb)
goto leave;
}
- ocfs2_populate_mounted_map(osb);
-
/* load all node-local system inodes */
status = ocfs2_init_local_system_inodes(osb);
if (status < 0) {
@@ -1174,15 +1216,6 @@ static int ocfs2_mount_volume(struct super_block *sb)
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
- * super block lock as otherwise their recovery threads might
- * try to clean us up while we're live! */
- status = ocfs2_request_mount_vote(osb);
- if (status < 0)
- mlog_errno(status);
-
leave:
if (unlock_super)
ocfs2_super_unlock(osb, 1);
@@ -1240,10 +1273,6 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err)
mlog_errno(tmp);
return;
}
-
- tmp = ocfs2_request_umount_vote(osb);
- if (tmp < 0)
- mlog_errno(tmp);
}
if (osb->slot_num != OCFS2_INVALID_SLOT)
@@ -1254,13 +1283,8 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err)
ocfs2_release_system_inodes(osb);
- if (osb->dlm) {
- ocfs2_unregister_net_handlers(osb);
-
+ if (osb->dlm)
ocfs2_dlm_shutdown(osb);
- }
-
- ocfs2_clear_hb_callbacks(osb);
debugfs_remove(osb->osb_debug_root);
@@ -1315,7 +1339,6 @@ static int ocfs2_initialize_super(struct super_block *sb,
int i, cbits, bbits;
struct ocfs2_dinode *di = (struct ocfs2_dinode *)bh->b_data;
struct inode *inode = NULL;
- struct buffer_head *bitmap_bh = NULL;
struct ocfs2_journal *journal;
__le32 uuid_net_key;
struct ocfs2_super *osb;
@@ -1344,19 +1367,13 @@ static int ocfs2_initialize_super(struct super_block *sb,
osb->s_sectsize_bits = blksize_bits(sector_size);
BUG_ON(!osb->s_sectsize_bits);
- osb->net_response_ids = 0;
- spin_lock_init(&osb->net_response_lock);
- INIT_LIST_HEAD(&osb->net_response_list);
-
- INIT_LIST_HEAD(&osb->osb_net_handlers);
init_waitqueue_head(&osb->recovery_event);
- spin_lock_init(&osb->vote_task_lock);
- init_waitqueue_head(&osb->vote_event);
- osb->vote_work_sequence = 0;
- osb->vote_wake_sequence = 0;
+ spin_lock_init(&osb->dc_task_lock);
+ init_waitqueue_head(&osb->dc_event);
+ osb->dc_work_sequence = 0;
+ osb->dc_wake_sequence = 0;
INIT_LIST_HEAD(&osb->blocked_lock_list);
osb->blocked_lock_count = 0;
- INIT_LIST_HEAD(&osb->vote_list);
spin_lock_init(&osb->osb_lock);
atomic_set(&osb->alloc_stats.moves, 0);
@@ -1496,7 +1513,6 @@ static int ocfs2_initialize_super(struct super_block *sb,
}
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->vol_label[63] = '\0';
@@ -1539,25 +1555,9 @@ static int ocfs2_initialize_super(struct super_block *sb,
}
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,
- NULL);
iput(inode);
- if (status < 0) {
- mlog_errno(status);
- goto bail;
- }
- di = (struct ocfs2_dinode *) bitmap_bh->b_data;
- osb->bitmap_cpg = le16_to_cpu(di->id2.i_chain.cl_cpg);
- brelse(bitmap_bh);
- mlog(0, "cluster bitmap inode: %llu, clusters per group: %u\n",
- (unsigned long long)osb->bitmap_blkno, osb->bitmap_cpg);
+ osb->bitmap_cpg = ocfs2_group_bitmap_size(sb) * 8;
status = ocfs2_init_slot_info(osb);
if (status < 0) {