AcoSail/kernel_optimize_test
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btrfs: switch btrfs_ioctl_balance() to mnt_want_write_file()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-07-19 11:17:49 +04:00
parent 765927b2d5
commit 11e62a8fab
1 changed files with 2 additions and 2 deletions
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4
fs/btrfs/ioctl.c
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@ -3268,7 +3268,7 @@ static long btrfs_ioctl_balance(struct file *file, void __user *arg)
if (fs_info->sb->s_flags & MS_RDONLY)
return -EROFS;
ret = mnt_want_write(file->f_path.mnt);
ret = mnt_want_write_file(file);
if (ret)
return ret;
@ -3338,7 +3338,7 @@ static long btrfs_ioctl_balance(struct file *file, void __user *arg)
out:
mutex_unlock(&fs_info->balance_mutex);
mutex_unlock(&fs_info->volume_mutex);
mnt_drop_write(file->f_path.mnt);
mnt_drop_write_file(file);
return ret;
}