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;
}
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;
mlog_entry("%p, %p, %i", sb, data, silent);
- if (!ocfs2_parse_options(sb, data, &parsed_opt, 0)) {
+ if (!ocfs2_parse_options(sb, data, &parsed_opt, &slot, 0)) {
status = -EINVAL;
goto read_super_error;
}
brelse(bh);
bh = NULL;
osb->s_mount_opt = parsed_opt;
+ osb->preferred_slot = slot;
sb->s_magic = OCFS2_SUPER_MAGIC;
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)
} 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) {