ima: ecryptfs fix imbalance message

[safe/jmp/linux-2.6] / fs / hfs / super.c

diff --git a/fs/hfs/super.c b/fs/hfs/super.c
index c8b5acf..f7fcbe4 100644 (file)
--- a/fs/hfs/super.c
+++ b/fs/hfs/super.c
@@ -19,6 +19,7 @@
 #include <linux/nls.h>
 #include <linux/parser.h>
 #include <linux/seq_file.h>
+#include <linux/smp_lock.h>
 #include <linux/vfs.h>
 
 #include "hfs_fs.h"
@@ -49,11 +50,23 @@ MODULE_LICENSE("GPL");
  */
 static void hfs_write_super(struct super_block *sb)
 {
+       lock_super(sb);
        sb->s_dirt = 0;
-       if (sb->s_flags & MS_RDONLY)
-               return;
+
        /* sync everything to the buffers */
+       if (!(sb->s_flags & MS_RDONLY))
+               hfs_mdb_commit(sb);
+       unlock_super(sb);
+}
+
+static int hfs_sync_fs(struct super_block *sb, int wait)
+{
+       lock_super(sb);
        hfs_mdb_commit(sb);
+       sb->s_dirt = 0;
+       unlock_super(sb);
+
+       return 0;
 }
 
 /*
@@ -65,9 +78,15 @@ static void hfs_write_super(struct super_block *sb)
  */
 static void hfs_put_super(struct super_block *sb)
 {
+       lock_kernel();
+
+       if (sb->s_dirt)
+               hfs_write_super(sb);
        hfs_mdb_close(sb);
        /* release the MDB's resources */
        hfs_mdb_put(sb);
+
+       unlock_kernel();
 }
 
 /*
@@ -82,6 +101,7 @@ static void hfs_put_super(struct super_block *sb)
 static int hfs_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
        struct super_block *sb = dentry->d_sb;
+       u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
 
        buf->f_type = HFS_SUPER_MAGIC;
        buf->f_bsize = sb->s_blocksize;
@@ -90,6 +110,8 @@ static int hfs_statfs(struct dentry *dentry, struct kstatfs *buf)
        buf->f_bavail = buf->f_bfree;
        buf->f_files = HFS_SB(sb)->fs_ablocks;
        buf->f_ffree = HFS_SB(sb)->free_ablocks;
+       buf->f_fsid.val[0] = (u32)id;
+       buf->f_fsid.val[1] = (u32)(id >> 32);
        buf->f_namelen = HFS_NAMELEN;
 
        return 0;
@@ -161,6 +183,7 @@ static const struct super_operations hfs_super_operations = {
        .clear_inode    = hfs_clear_inode,
        .put_super      = hfs_put_super,
        .write_super    = hfs_write_super,
+       .sync_fs        = hfs_sync_fs,
        .statfs         = hfs_statfs,
        .remount_fs     = hfs_remount,
        .show_options   = hfs_show_options,