diff options
Diffstat (limited to 'fs/affs/super.c')
-rw-r--r-- | fs/affs/super.c | 42 |
1 files changed, 23 insertions, 19 deletions
diff --git a/fs/affs/super.c b/fs/affs/super.c index 33c4e7eef470..b31507d0f9b9 100644 --- a/fs/affs/super.c +++ b/fs/affs/super.c @@ -16,7 +16,6 @@ #include <linux/parser.h> #include <linux/magic.h> #include <linux/sched.h> -#include <linux/smp_lock.h> #include <linux/slab.h> #include "affs.h" @@ -46,8 +45,6 @@ affs_put_super(struct super_block *sb) struct affs_sb_info *sbi = AFFS_SB(sb); pr_debug("AFFS: put_super()\n"); - lock_kernel(); - if (!(sb->s_flags & MS_RDONLY) && sb->s_dirt) affs_commit_super(sb, 1, 1); @@ -56,8 +53,6 @@ affs_put_super(struct super_block *sb) affs_brelse(sbi->s_root_bh); kfree(sbi); sb->s_fs_info = NULL; - - unlock_kernel(); } static void @@ -100,17 +95,24 @@ static struct inode *affs_alloc_inode(struct super_block *sb) return &i->vfs_inode; } -static void affs_destroy_inode(struct inode *inode) +static void affs_i_callback(struct rcu_head *head) { + struct inode *inode = container_of(head, struct inode, i_rcu); + INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(affs_inode_cachep, AFFS_I(inode)); } +static void affs_destroy_inode(struct inode *inode) +{ + call_rcu(&inode->i_rcu, affs_i_callback); +} + static void init_once(void *foo) { struct affs_inode_info *ei = (struct affs_inode_info *) foo; - init_MUTEX(&ei->i_link_lock); - init_MUTEX(&ei->i_ext_lock); + sema_init(&ei->i_link_lock, 1); + sema_init(&ei->i_ext_lock, 1); inode_init_once(&ei->vfs_inode); } @@ -302,6 +304,7 @@ static int affs_fill_super(struct super_block *sb, void *data, int silent) sbi = kzalloc(sizeof(struct affs_sb_info), GFP_KERNEL); if (!sbi) return -ENOMEM; + sb->s_fs_info = sbi; mutex_init(&sbi->s_bmlock); spin_lock_init(&sbi->symlink_lock); @@ -474,12 +477,16 @@ got_root: goto out_error_noinode; } + if (AFFS_SB(sb)->s_flags & SF_INTL) + sb->s_d_op = &affs_intl_dentry_operations; + else + sb->s_d_op = &affs_dentry_operations; + sb->s_root = d_alloc_root(root_inode); if (!sb->s_root) { printk(KERN_ERR "AFFS: Get root inode failed\n"); goto out_error; } - sb->s_root->d_op = &affs_dentry_operations; pr_debug("AFFS: s_flags=%lX\n",sb->s_flags); return 0; @@ -527,7 +534,7 @@ affs_remount(struct super_block *sb, int *flags, char *data) kfree(new_opts); return -EINVAL; } - lock_kernel(); + replace_mount_options(sb, new_opts); sbi->s_flags = mount_flags; @@ -543,17 +550,15 @@ affs_remount(struct super_block *sb, int *flags, char *data) memcpy(sbi->s_volume, volume, 32); spin_unlock(&sbi->symlink_lock); - if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) { - unlock_kernel(); + if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) return 0; - } + if (*flags & MS_RDONLY) { affs_write_super(sb); affs_free_bitmap(sb); } else res = affs_init_bitmap(sb, flags); - unlock_kernel(); return res; } @@ -579,17 +584,16 @@ affs_statfs(struct dentry *dentry, struct kstatfs *buf) return 0; } -static int affs_get_sb(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data, struct vfsmount *mnt) +static struct dentry *affs_mount(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data) { - return get_sb_bdev(fs_type, flags, dev_name, data, affs_fill_super, - mnt); + return mount_bdev(fs_type, flags, dev_name, data, affs_fill_super); } static struct file_system_type affs_fs_type = { .owner = THIS_MODULE, .name = "affs", - .get_sb = affs_get_sb, + .mount = affs_mount, .kill_sb = kill_block_super, .fs_flags = FS_REQUIRES_DEV, }; |