Merge pull request #72 from RoyWFHuang/Bug/Memleak

Fix journal not being released during umounting

Author: jserv

fs.c

@@ -25,6 +25,14 @@ struct dentry *simplefs_mount(struct file_system_type *fs_type,
 /* Unmount a simplefs partition */
 void simplefs_kill_sb(struct super_block *sb)
 {
+    struct simplefs_sb_info *sbi = SIMPLEFS_SB(sb);
+#if SIMPLEFS_AT_LEAST(6, 9, 0)
+    if (sbi->s_journal_bdev_file)
+        fput(sbi->s_journal_bdev_file);
+#elif SIMPLEFS_AT_LEAST(6, 7, 0)
+    if (sbi->s_journal_bdev_handle)
+        bdev_release(sbi->s_journal_bdev_handle);
+#endif
     kill_block_super(sb);
 
     pr_info("unmounted disk\n");

super.c

@@ -372,12 +372,9 @@ static journal_t *simplefs_get_dev_journal(struct super_block *sb,
     }
 #if SIMPLEFS_AT_LEAST(6, 9, 0)
     sbi->s_journal_bdev_file = bdev_file;
-    pr_info("6.11 kernel");
 #elif SIMPLEFS_AT_LEAST(6, 7, 0)
     sbi->s_journal_bdev_handle = bdev_handle;
-    pr_info("6.8 kernel");
 #elif SIMPLEFS_AT_LEAST(5, 15, 0)
-    pr_info("5.15 kernel");
     sbi->s_journal_bdev = bdev;
 #endif