On 19.04.2018 19:33, David Sterba wrote: > Make the clearning visible in the callers so we can pair it with the > test_and_set part. > > Signed-off-by: David Sterba <dste...@suse.com>
Reviewed-by: Nikolay Borisov <nbori...@suse.com> > --- > fs/btrfs/ioctl.c | 2 +- > fs/btrfs/volumes.c | 13 +++++++------ > 2 files changed, 8 insertions(+), 7 deletions(-) > > diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c > index b93dea445802..582bde5b7eda 100644 > --- a/fs/btrfs/ioctl.c > +++ b/fs/btrfs/ioctl.c > @@ -4656,7 +4656,7 @@ static long btrfs_ioctl_balance(struct file *file, void > __user *arg) > * Ownership of bctl and filesystem flag BTRFS_FS_EXCL_OP > * goes to to btrfs_balance. bctl is freed in __cancel_balance, > * or, if restriper was paused all the way until unmount, in > - * free_fs_info. The flag is cleared in __cancel_balance. > + * free_fs_info. The flag should be cleared after __cancel_balance. > */ > need_unlock = false; > > diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c > index e0bd181dc9e0..5c83ebc8e199 100644 > --- a/fs/btrfs/volumes.c > +++ b/fs/btrfs/volumes.c > @@ -3760,8 +3760,6 @@ static void __cancel_balance(struct btrfs_fs_info > *fs_info) > ret = del_balance_item(fs_info); > if (ret) > btrfs_handle_fs_error(fs_info, ret, NULL); > - > - clear_bit(BTRFS_FS_EXCL_OP, &fs_info->flags); > } > > /* Non-zero return value signifies invalidity */ > @@ -3919,6 +3917,7 @@ int btrfs_balance(struct btrfs_balance_control *bctl, > if ((ret && ret != -ECANCELED && ret != -ENOSPC) || > balance_need_close(fs_info)) { > __cancel_balance(fs_info); > + clear_bit(BTRFS_FS_EXCL_OP, &fs_info->flags); > } > > wake_up(&fs_info->balance_wait_q); > @@ -3927,10 +3926,10 @@ int btrfs_balance(struct btrfs_balance_control *bctl, > out: > if (bctl->flags & BTRFS_BALANCE_RESUME) > __cancel_balance(fs_info); > - else { > + else > kfree(bctl); > - clear_bit(BTRFS_FS_EXCL_OP, &fs_info->flags); > - } > + clear_bit(BTRFS_FS_EXCL_OP, &fs_info->flags); > + > return ret; > } > > @@ -4089,8 +4088,10 @@ int btrfs_cancel_balance(struct btrfs_fs_info *fs_info) > mutex_lock(&fs_info->volume_mutex); > mutex_lock(&fs_info->balance_mutex); > > - if (fs_info->balance_ctl) > + if (fs_info->balance_ctl) { > __cancel_balance(fs_info); > + clear_bit(BTRFS_FS_EXCL_OP, &fs_info->flags); > + } > > mutex_unlock(&fs_info->volume_mutex); > } > -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html