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From: Vitaly Kuznetsov <vkuznets@redhat.com> To: "K. Y. Srinivasan" <kys@microsoft.com>, devel@linuxdriverproject.org Cc: Haiyang Zhang <haiyangz@microsoft.com>, linux-kernel@vger.kernel.org, Dexuan Cui <decui@microsoft.com>, Radim Krcmar <rkrcmar@redhat.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, linux-api@vger.kernel.org Subject: [PATCH RFCv2 07/21] Drivers: hv: fcopy: rename fcopy_work -> fcopy_timeout_work Date: Wed, 11 Mar 2015 14:29:20 +0100 [thread overview] Message-ID: <1426080574-9011-8-git-send-email-vkuznets@redhat.com> (raw) In-Reply-To: <1426080574-9011-1-git-send-email-vkuznets@redhat.com> 'fcopy_work' (and fcopy_work_func) is a misnomer as it sounds like we expect this useful work to happen and in reality it is just an emergency escape when timeout happens. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> --- drivers/hv/hv_fcopy.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/hv/hv_fcopy.c b/drivers/hv/hv_fcopy.c index 8bdf752..c14f0f4 100644 --- a/drivers/hv/hv_fcopy.c +++ b/drivers/hv/hv_fcopy.c @@ -75,11 +75,11 @@ static bool opened; /* currently device opened */ static bool in_hand_shake = true; static void fcopy_send_data(void); static void fcopy_respond_to_host(int error); -static void fcopy_work_func(struct work_struct *dummy); -static DECLARE_DELAYED_WORK(fcopy_work, fcopy_work_func); +static void fcopy_timeout_func(struct work_struct *dummy); +static DECLARE_DELAYED_WORK(fcopy_timeout_work, fcopy_timeout_func); static u8 *recv_buffer; -static void fcopy_work_func(struct work_struct *dummy) +static void fcopy_timeout_func(struct work_struct *dummy) { /* * If the timer fires, the user-mode component has not responded; @@ -261,7 +261,7 @@ void hv_fcopy_onchannelcallback(void *context) /* * Send the information to the user-level daemon. */ - schedule_delayed_work(&fcopy_work, 5*HZ); + schedule_delayed_work(&fcopy_timeout_work, 5*HZ); fcopy_send_data(); return; } @@ -336,7 +336,7 @@ static ssize_t fcopy_write(struct file *file, const char __user *buf, * Complete the transaction by forwarding the result * to the host. But first, cancel the timeout. */ - if (cancel_delayed_work_sync(&fcopy_work)) { + if (cancel_delayed_work_sync(&fcopy_timeout_work)) fcopy_respond_to_host(response); hv_poll_channel(fcopy_transaction.fcopy_context, hv_fcopy_onchannelcallback); @@ -378,7 +378,7 @@ static int fcopy_release(struct inode *inode, struct file *f) in_hand_shake = true; opened = false; - if (cancel_delayed_work_sync(&fcopy_work)) { + if (cancel_delayed_work_sync(&fcopy_timeout_work)) { /* We haven't up()-ed the semaphore(very rare)? */ if (down_trylock(&fcopy_transaction.read_sema)) ; @@ -442,6 +442,6 @@ int hv_fcopy_init(struct hv_util_service *srv) void hv_fcopy_deinit(void) { - cancel_delayed_work_sync(&fcopy_work); + cancel_delayed_work_sync(&fcopy_timeout_work); fcopy_dev_deinit(); } -- 1.9.3
next prev parent reply other threads:[~2015-03-11 13:36 UTC|newest] Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-03-11 13:29 [PATCH RFCv2 00/21] Drivers: hv: utils: re-implement the kernel/userspace communication layer Vitaly Kuznetsov 2015-03-11 13:29 ` [PATCH RFCv2 01/21] Drivers: hv: util: move kvp/vss function declarations to hyperv_vmbus.h Vitaly Kuznetsov 2015-03-11 13:29 ` [PATCH RFCv2 02/21] Drivers: hv: kvp: reset kvp_context Vitaly Kuznetsov 2015-03-11 13:29 ` [PATCH RFCv2 03/21] Drivers: hv: kvp: move poll_channel() to hyperv_vmbus.h Vitaly Kuznetsov 2015-03-11 13:29 ` [PATCH RFCv2 04/21] Drivers: hv: fcopy: process deferred messages when we complete the transaction Vitaly Kuznetsov 2015-03-11 13:29 ` [PATCH RFCv2 05/21] Drivers: hv: vss: " Vitaly Kuznetsov 2015-03-11 13:29 ` [PATCH RFCv2 06/21] Drivers: hv: kvp: rename kvp_work -> kvp_timeout_work Vitaly Kuznetsov 2015-03-11 13:29 ` Vitaly Kuznetsov [this message] 2015-03-11 13:29 ` [PATCH RFCv2 08/21] Drivers: hv: util: introduce state machine for util drivers Vitaly Kuznetsov 2015-03-11 13:29 ` [PATCH RFCv2 09/21] Drivers: hv: kvp: switch to using the hvutil_device_state state machine Vitaly Kuznetsov 2015-03-11 13:29 ` [PATCH RFCv2 10/21] Drivers: hv: vss: " Vitaly Kuznetsov 2015-03-11 13:29 ` [PATCH RFCv2 11/21] Drivers: hv: fcopy: " Vitaly Kuznetsov 2015-03-11 13:29 ` [PATCH RFCv2 12/21] Drivers: hv: fcopy: set .owner reference for file operations Vitaly Kuznetsov 2015-03-11 13:29 ` [PATCH RFCv2 13/21] Drivers: hv: util: introduce hv_utils_transport abstraction Vitaly Kuznetsov 2015-03-11 13:29 ` [PATCH RFCv2 14/21] Drivers: hv: vss: convert to hv_utils_transport Vitaly Kuznetsov 2015-03-11 13:29 ` [PATCH RFCv2 15/21] Drivers: hv: fcopy: " Vitaly Kuznetsov 2015-03-11 13:29 ` [PATCH RFCv2 16/21] Drivers: hv: kvp: " Vitaly Kuznetsov 2015-03-11 13:29 ` [PATCH RFCv2 17/21] Tools: hv: kvp: use misc char device to communicate with kernel Vitaly Kuznetsov 2015-03-11 13:29 ` [PATCH RFCv2 18/21] Tools: hv: vss: " Vitaly Kuznetsov 2015-03-11 13:29 ` [PATCH RFCv2 19/21] Drivers: hv: vss: full handshake support Vitaly Kuznetsov 2015-03-11 13:29 ` [PATCH RFCv2 20/21] Drivers: hv: fcopy: " Vitaly Kuznetsov 2015-03-11 13:29 ` [PATCH RFCv2 21/21] Drivers: hv: utils: unify driver registration reporting Vitaly Kuznetsov 2015-03-16 18:15 ` [PATCH RFCv2 00/21] Drivers: hv: utils: re-implement the kernel/userspace communication layer KY Srinivasan 2015-04-08 16:00 ` Vitaly Kuznetsov 2015-04-08 16:15 ` KY Srinivasan
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