X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=fs%2Freiserfs%2Fsuper.c;h=b194451fc04bcb7768e7ad372d40d9ecece8ccfe;hb=7a77b15d9294749809de918e24bebc39e0fbc9ab;hp=d444fe0013a4700301ef0eae135f79498fde33b4;hpb=edcc37a0478836b4a51eafb1bcec6a52708f681d;p=safe%2Fjmp%2Flinux-2.6

diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index d444fe0..b194451 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -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;
 }
 
@@ -448,13 +446,11 @@ int remove_save_link(struct inode *inode, int truncate)
 static void reiserfs_kill_sb(struct super_block *s)
 {
 	if (REISERFS_SB(s)) {
-#ifdef CONFIG_REISERFS_FS_XATTR
 		if (REISERFS_SB(s)->xattr_root) {
 			d_invalidate(REISERFS_SB(s)->xattr_root);
 			dput(REISERFS_SB(s)->xattr_root);
 			REISERFS_SB(s)->xattr_root = NULL;
 		}
-#endif
 		if (REISERFS_SB(s)->priv_root) {
 			d_invalidate(REISERFS_SB(s)->priv_root);
 			dput(REISERFS_SB(s)->priv_root);
@@ -470,6 +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)) {
@@ -502,7 +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;
@@ -529,8 +530,8 @@ 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;
+	ei->i_acl_access = ACL_NOT_CACHED;
+	ei->i_acl_default = ACL_NOT_CACHED;
 #endif
 }
 
@@ -585,14 +586,14 @@ static void reiserfs_clear_inode(struct inode *inode)
 	struct posix_acl *acl;
 
 	acl = REISERFS_I(inode)->i_acl_access;
-	if (acl && !IS_ERR(acl))
+	if (acl && acl != ACL_NOT_CACHED)
 		posix_acl_release(acl);
-	REISERFS_I(inode)->i_acl_access = NULL;
+	REISERFS_I(inode)->i_acl_access = ACL_NOT_CACHED;
 
 	acl = REISERFS_I(inode)->i_acl_default;
-	if (acl && !IS_ERR(acl))
+	if (acl && acl != ACL_NOT_CACHED)
 		posix_acl_release(acl);
-	REISERFS_I(inode)->i_acl_default = NULL;
+	REISERFS_I(inode)->i_acl_default = ACL_NOT_CACHED;
 }
 #else
 #define reiserfs_clear_inode NULL
@@ -900,6 +901,7 @@ 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},
@@ -1195,6 +1197,7 @@ 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
@@ -1316,12 +1319,13 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg)
 	}
 
 out_ok:
-	kfree(s->s_options);
-	s->s_options = new_opts;
+	replace_mount_options(s, new_opts);
+	unlock_kernel();
 	return 0;
 
 out_err:
 	kfree(new_opts);
+	unlock_kernel();
 	return err;
 }