| Message ID | 1502724094-23305-3-git-send-email-gilad@benyossef.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
On 08/14/2017 10:21 AM, Gilad Ben-Yossef wrote: > Replace -EBUSY with -EAGAIN when reporting transient busy > indication in the absence of backlog. > > Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com> Reviewed-by: Gary R Hook <gary.hook@amd.com> > --- > drivers/crypto/ccp/ccp-crypto-main.c | 8 +++----- > drivers/crypto/ccp/ccp-dev.c | 7 +++++-- > 2 files changed, 8 insertions(+), 7 deletions(-) > > diff --git a/drivers/crypto/ccp/ccp-crypto-main.c b/drivers/crypto/ccp/ccp-crypto-main.c > index 35a9de7..403ff0a 100644 > --- a/drivers/crypto/ccp/ccp-crypto-main.c > +++ b/drivers/crypto/ccp/ccp-crypto-main.c > @@ -222,9 +222,10 @@ static int ccp_crypto_enqueue_cmd(struct ccp_crypto_cmd *crypto_cmd) > > /* Check if the cmd can/should be queued */ > if (req_queue.cmd_count >= CCP_CRYPTO_MAX_QLEN) { > - ret = -EBUSY; > - if (!(crypto_cmd->cmd->flags & CCP_CMD_MAY_BACKLOG)) > + if (!(crypto_cmd->cmd->flags & CCP_CMD_MAY_BACKLOG)) { > + ret = -EAGAIN; > goto e_lock; > + } > } > > /* Look for an entry with the same tfm. If there is a cmd > @@ -243,9 +244,6 @@ static int ccp_crypto_enqueue_cmd(struct ccp_crypto_cmd *crypto_cmd) > ret = ccp_enqueue_cmd(crypto_cmd->cmd); > if (!ccp_crypto_success(ret)) > goto e_lock; /* Error, don't queue it */ > - if ((ret == -EBUSY) && > - !(crypto_cmd->cmd->flags & CCP_CMD_MAY_BACKLOG)) > - goto e_lock; /* Not backlogging, don't queue it */ > } > > if (req_queue.cmd_count >= CCP_CRYPTO_MAX_QLEN) { > diff --git a/drivers/crypto/ccp/ccp-dev.c b/drivers/crypto/ccp/ccp-dev.c > index 4e029b1..3d637e3 100644 > --- a/drivers/crypto/ccp/ccp-dev.c > +++ b/drivers/crypto/ccp/ccp-dev.c > @@ -292,9 +292,12 @@ int ccp_enqueue_cmd(struct ccp_cmd *cmd) > i = ccp->cmd_q_count; > > if (ccp->cmd_count >= MAX_CMD_QLEN) { > - ret = -EBUSY; > - if (cmd->flags & CCP_CMD_MAY_BACKLOG) > + if (cmd->flags & CCP_CMD_MAY_BACKLOG) { > + ret = -EBUSY; > list_add_tail(&cmd->entry, &ccp->backlog); > + } else { > + ret = -EAGAIN; > + } > } else { > ret = -EINPROGRESS; > ccp->cmd_count++; > -- To unsubscribe from this list: send the line "unsubscribe linux-fscrypt" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/crypto/ccp/ccp-crypto-main.c b/drivers/crypto/ccp/ccp-crypto-main.c index 35a9de7..403ff0a 100644 --- a/drivers/crypto/ccp/ccp-crypto-main.c +++ b/drivers/crypto/ccp/ccp-crypto-main.c @@ -222,9 +222,10 @@ static int ccp_crypto_enqueue_cmd(struct ccp_crypto_cmd *crypto_cmd) /* Check if the cmd can/should be queued */ if (req_queue.cmd_count >= CCP_CRYPTO_MAX_QLEN) { - ret = -EBUSY; - if (!(crypto_cmd->cmd->flags & CCP_CMD_MAY_BACKLOG)) + if (!(crypto_cmd->cmd->flags & CCP_CMD_MAY_BACKLOG)) { + ret = -EAGAIN; goto e_lock; + } } /* Look for an entry with the same tfm. If there is a cmd @@ -243,9 +244,6 @@ static int ccp_crypto_enqueue_cmd(struct ccp_crypto_cmd *crypto_cmd) ret = ccp_enqueue_cmd(crypto_cmd->cmd); if (!ccp_crypto_success(ret)) goto e_lock; /* Error, don't queue it */ - if ((ret == -EBUSY) && - !(crypto_cmd->cmd->flags & CCP_CMD_MAY_BACKLOG)) - goto e_lock; /* Not backlogging, don't queue it */ } if (req_queue.cmd_count >= CCP_CRYPTO_MAX_QLEN) { diff --git a/drivers/crypto/ccp/ccp-dev.c b/drivers/crypto/ccp/ccp-dev.c index 4e029b1..3d637e3 100644 --- a/drivers/crypto/ccp/ccp-dev.c +++ b/drivers/crypto/ccp/ccp-dev.c @@ -292,9 +292,12 @@ int ccp_enqueue_cmd(struct ccp_cmd *cmd) i = ccp->cmd_q_count; if (ccp->cmd_count >= MAX_CMD_QLEN) { - ret = -EBUSY; - if (cmd->flags & CCP_CMD_MAY_BACKLOG) + if (cmd->flags & CCP_CMD_MAY_BACKLOG) { + ret = -EBUSY; list_add_tail(&cmd->entry, &ccp->backlog); + } else { + ret = -EAGAIN; + } } else { ret = -EINPROGRESS; ccp->cmd_count++;
Replace -EBUSY with -EAGAIN when reporting transient busy indication in the absence of backlog. Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com> --- drivers/crypto/ccp/ccp-crypto-main.c | 8 +++----- drivers/crypto/ccp/ccp-dev.c | 7 +++++-- 2 files changed, 8 insertions(+), 7 deletions(-)