Messages in this thread Patch in this message | | | Date | Fri, 22 May 2015 10:26:14 +0200 | From | Christoph Hellwig <> | Subject | Re: [PATCH-v2 2/9] target/pr: Use atomic bitop for se_dev_entry->pr_reg reservation check |
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On Fri, May 22, 2015 at 06:11:04AM +0000, Nicholas A. Bellinger wrote: > + clear_bit(1, &orig->pr_reg);
Can you call it ->flags and give the bit a meaningful name?
> diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c > index c0b593a..d29b39c 100644 > --- a/drivers/target/target_core_pr.c > +++ b/drivers/target/target_core_pr.c > @@ -327,9 +327,13 @@ static int core_scsi3_pr_seq_non_holder( > int we = 0; /* Write Exclusive */ > int legacy = 0; /* Act like a legacy device and return > * RESERVATION CONFLICT on some CDBs */ > + bool registered = false; > > rcu_read_lock(); > se_deve = target_nacl_find_deve(nacl, cmd->orig_fe_lun); > + if (se_deve) > + registered = test_bit(1, &se_deve->pr_reg); > + rcu_read_unlock();
It would be good to just sort out the registered and co variables here before the RCU changes, as in:
http://git.infradead.org/users/hch/scsi.git/commitdiff/6372d9f62c83acb30d051387c40deb4dbdcaa376
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