diff mbox

[10/10] fs: btrfs: Replace CURRENT_TIME by current_fs_time()

Message ID CABeXuvqBYcgrMzjqesz+m37A3UzxCixkWvg8OyO5AdraMnQu-Q@mail.gmail.com (mailing list archive)
State Superseded
Headers show

Commit Message

Deepa Dinamani Feb. 5, 2016, 11:39 a.m. UTC 
The kernel tester found a dereferencing NULL pointer issue with this patch.

I think this is the fix:

I will test and re-post the patch.

-Deepa

On Thu, Feb 4, 2016 at 6:14 AM, David Sterba <dsterba@suse.cz> wrote:
> On Tue, Feb 02, 2016 at 10:07:50PM -0800, Deepa Dinamani wrote:
>> CURRENT_TIME macro is not appropriate for filesystems as it
>> doesn't use the right granularity for filesystem timestamps.
>> Use current_fs_time() instead.
>>
>> Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
>> Cc: Chris Mason <clm@fb.com>
>> Cc: Josef Bacik <jbacik@fb.com>
>> Cc: David Sterba <dsterba@suse.com>
>> Cc: linux-btrfs@vger.kernel.org
>
> Reviewed-by: David Sterba <dsterba@suse.com>
>
> There's no actual change for btrfs as it uses granularity 1 which is a
> no-op and equivalent to CURRENT_TIME.
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diff mbox

Patch

--- a/fs/btrfs/root-tree.c
+++ b/fs/btrfs/root-tree.c
@@ -488,7 +488,7 @@  void btrfs_update_root_times(struct
btrfs_trans_handle *trans,
                             struct btrfs_root *root)
 {
        struct btrfs_root_item *item = &root->root_item;
-       struct timespec ct = current_fs_time(root->ino_cache_inode->i_sb);
+       struct timespec ct = current_fs_time(root->fs_info->sb);