switch reiserfs to inode->i_acl
[pandora-kernel.git] / fs / reiserfs / super.c
index 3567fb9..d3aeb06 100644 (file)
@@ -28,6 +28,7 @@
 #include <linux/mount.h>
 #include <linux/namei.h>
 #include <linux/crc32.h>
+#include <linux/smp_lock.h>
 
 struct file_system_type reiserfs_fs_type;
 
@@ -64,18 +65,15 @@ static int reiserfs_statfs(struct dentry *dentry, struct kstatfs *buf);
 
 static int reiserfs_sync_fs(struct super_block *s, int wait)
 {
-       if (!(s->s_flags & MS_RDONLY)) {
-               struct reiserfs_transaction_handle th;
-               reiserfs_write_lock(s);
-               if (!journal_begin(&th, s, 1))
-                       if (!journal_end_sync(&th, s, 1))
-                               reiserfs_flush_old_commits(s);
-               s->s_dirt = 0;  /* Even if it's not true.
-                                * We'll loop forever in sync_supers otherwise */
-               reiserfs_write_unlock(s);
-       } else {
-               s->s_dirt = 0;
-       }
+       struct reiserfs_transaction_handle th;
+
+       reiserfs_write_lock(s);
+       if (!journal_begin(&th, s, 1))
+               if (!journal_end_sync(&th, s, 1))
+                       reiserfs_flush_old_commits(s);
+       s->s_dirt = 0;  /* Even if it's not true.
+                        * We'll loop forever in sync_supers otherwise */
+       reiserfs_write_unlock(s);
        return 0;
 }
 
@@ -468,6 +466,11 @@ static void reiserfs_put_super(struct super_block *s)
        struct reiserfs_transaction_handle th;
        th.t_trans_id = 0;
 
+       lock_kernel();
+
+       if (s->s_dirt)
+               reiserfs_write_super(s);
+
        /* change file system state to current state if it was mounted with read-write permissions */
        if (!(s->s_flags & MS_RDONLY)) {
                if (!journal_begin(&th, s, 10)) {
@@ -500,7 +503,7 @@ static void reiserfs_put_super(struct super_block *s)
        kfree(s->s_fs_info);
        s->s_fs_info = NULL;
 
-       return;
+       unlock_kernel();
 }
 
 static struct kmem_cache *reiserfs_inode_cachep;
@@ -526,10 +529,6 @@ static void init_once(void *foo)
 
        INIT_LIST_HEAD(&ei->i_prealloc_list);
        inode_init_once(&ei->vfs_inode);
-#ifdef CONFIG_REISERFS_FS_POSIX_ACL
-       ei->i_acl_access = NULL;
-       ei->i_acl_default = NULL;
-#endif
 }
 
 static int init_inodecache(void)
@@ -577,25 +576,6 @@ static void reiserfs_dirty_inode(struct inode *inode)
        reiserfs_write_unlock(inode->i_sb);
 }
 
-#ifdef CONFIG_REISERFS_FS_POSIX_ACL
-static void reiserfs_clear_inode(struct inode *inode)
-{
-       struct posix_acl *acl;
-
-       acl = REISERFS_I(inode)->i_acl_access;
-       if (acl && !IS_ERR(acl))
-               posix_acl_release(acl);
-       REISERFS_I(inode)->i_acl_access = NULL;
-
-       acl = REISERFS_I(inode)->i_acl_default;
-       if (acl && !IS_ERR(acl))
-               posix_acl_release(acl);
-       REISERFS_I(inode)->i_acl_default = NULL;
-}
-#else
-#define reiserfs_clear_inode NULL
-#endif
-
 #ifdef CONFIG_QUOTA
 static ssize_t reiserfs_quota_write(struct super_block *, int, const char *,
                                    size_t, loff_t);
@@ -609,7 +589,6 @@ static const struct super_operations reiserfs_sops = {
        .write_inode = reiserfs_write_inode,
        .dirty_inode = reiserfs_dirty_inode,
        .delete_inode = reiserfs_delete_inode,
-       .clear_inode = reiserfs_clear_inode,
        .put_super = reiserfs_put_super,
        .write_super = reiserfs_write_super,
        .sync_fs = reiserfs_sync_fs,
@@ -898,6 +877,7 @@ static int reiserfs_parse_options(struct super_block *s, char *options,     /* strin
                {"conv",.setmask = 1 << REISERFS_CONVERT},
                {"attrs",.setmask = 1 << REISERFS_ATTRS},
                {"noattrs",.clrmask = 1 << REISERFS_ATTRS},
+               {"expose_privroot", .setmask = 1 << REISERFS_EXPOSE_PRIVROOT},
 #ifdef CONFIG_REISERFS_FS_XATTR
                {"user_xattr",.setmask = 1 << REISERFS_XATTRS_USER},
                {"nouser_xattr",.clrmask = 1 << REISERFS_XATTRS_USER},
@@ -1193,6 +1173,7 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg)
        memcpy(qf_names, REISERFS_SB(s)->s_qf_names, sizeof(qf_names));
 #endif
 
+       lock_kernel();
        rs = SB_DISK_SUPER_BLOCK(s);
 
        if (!reiserfs_parse_options
@@ -1315,10 +1296,12 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg)
 
 out_ok:
        replace_mount_options(s, new_opts);
+       unlock_kernel();
        return 0;
 
 out_err:
        kfree(new_opts);
+       unlock_kernel();
        return err;
 }