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| author | David Sterba <dsterba@suse.com> | 2020-02-05 17:34:34 +0100 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2020-03-23 17:01:34 +0100 |
| commit | bf31f87f71cc7a89871ab0a451c047a0c0144bf1 (patch) | |
| tree | fdca5c6ceff6356ea7ac35b8125fb30f2153e663 /fs/btrfs/super.c | |
| parent | b908c334e7a419e5cd08a45d31284b4a93de3bd7 (diff) | |
| download | lwn-bf31f87f71cc7a89871ab0a451c047a0c0144bf1.tar.gz lwn-bf31f87f71cc7a89871ab0a451c047a0c0144bf1.zip | |
btrfs: add wrapper for transaction abort predicate
The status of aborted transaction can change between calls and it needs
to be accessed by READ_ONCE. Add a helper that also wraps the unlikely
hint.
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/super.c')
| -rw-r--r-- | fs/btrfs/super.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 6420df4e86d7..5c16b4bcde9b 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -244,7 +244,7 @@ void __btrfs_abort_transaction(struct btrfs_trans_handle *trans, { struct btrfs_fs_info *fs_info = trans->fs_info; - trans->aborted = errno; + WRITE_ONCE(trans->aborted, errno); /* Nothing used. The other threads that have joined this * transaction may be able to continue. */ if (!trans->dirty && list_empty(&trans->new_bgs)) { |