From patchwork Fri Aug 5 14:47:38 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Enzo Matsumiya X-Patchwork-Id: 12937341 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3B1ECC00140 for ; Fri, 5 Aug 2022 14:47:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237817AbiHEOrw (ORCPT ); Fri, 5 Aug 2022 10:47:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38066 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237177AbiHEOrv (ORCPT ); Fri, 5 Aug 2022 10:47:51 -0400 Received: from smtp-out2.suse.de (smtp-out2.suse.de [IPv6:2001:67c:2178:6::1d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 60DCC1EC56 for ; Fri, 5 Aug 2022 07:47:49 -0700 (PDT) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 110A820286; Fri, 5 Aug 2022 14:47:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1659710868; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=ahGO4U7+OJIiITxV/zXRet/cEqv1T0oZzr+gkHD14nA=; b=H2D+dMZTPwWw85PLdyxep0PU/m/tw4R9wuwfAzuMkQUxzlcNBCeqUTIYHvSeCiH+al8RNw Oc/fQ5LJBePIzPjuO7LOREmgmxyCBve8dY7H2NqM7vtbCJF+EZlReclmN9Prc3ovPulEMI 0gRKj35AQNLH/tP0VZXsRL5hSbDs8Qo= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1659710868; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=ahGO4U7+OJIiITxV/zXRet/cEqv1T0oZzr+gkHD14nA=; b=8ZaZrvY91dhtc08xGSsjF+mv6L6lg2UrXO6f6GMBEwXnuZtZV+3amiN0putDgw/v1zInMa +7+Npk3r56KWh6Aw== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 83F5D13A9C; Fri, 5 Aug 2022 14:47:47 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id AVW/EpMt7WIFTwAAMHmgww (envelope-from ); Fri, 05 Aug 2022 14:47:47 +0000 From: Enzo Matsumiya To: linux-cifs@vger.kernel.org Cc: smfrench@gmail.com, pc@cjr.nz, ronniesahlberg@gmail.com, nspmangalore@gmail.com Subject: [PATCH v2 1/2] cifs: remove useless DeleteMidQEntry() Date: Fri, 5 Aug 2022 11:47:38 -0300 Message-Id: <20220805144739.27641-1-ematsumiya@suse.de> X-Mailer: git-send-email 2.35.3 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org DeleteMidQEntry() was just a proxy for cifs_mid_q_entry_release(). - remove DeleteMidQEntry() - rename cifs_mid_q_entry_release() to release_mid() - rename kref_put() callback _cifs_mid_q_entry_release to __release_mid - rename AllocMidQEntry() to alloc_mid() - rename cifs_delete_mid() to delete_mid() Update callers to use new names. Signed-off-by: Enzo Matsumiya --- v2: - remove "cifs_" prefix from generic mid functions - rename AllocMidQEntry() and cifs_delete_mid() as well - add a follow-up patch to rename cifs_{init,destroy}_mids() in cifsfs.c @Steve: since most mid handling code treats "mid_q_entry" as the mid per se, I went with "release_mid()" instead of "release_mid_q_entry()" to keep a standard. fs/cifs/cifsproto.h | 9 +++---- fs/cifs/cifssmb.c | 6 ++--- fs/cifs/connect.c | 8 +++--- fs/cifs/smb2ops.c | 2 +- fs/cifs/smb2pdu.c | 6 ++--- fs/cifs/smb2transport.c | 4 +-- fs/cifs/transport.c | 57 +++++++++++++++++++---------------------- 7 files changed, 43 insertions(+), 49 deletions(-) diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index de167e3af015..a3cb47619a0a 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -79,11 +79,10 @@ extern char *cifs_compose_mount_options(const char *sb_mountdata, const char *fullpath, const struct dfs_info3_param *ref, char **devname); /* extern void renew_parental_timestamps(struct dentry *direntry);*/ -extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer, - struct TCP_Server_Info *server); -extern void DeleteMidQEntry(struct mid_q_entry *midEntry); -extern void cifs_delete_mid(struct mid_q_entry *mid); -extern void cifs_mid_q_entry_release(struct mid_q_entry *midEntry); +extern struct mid_q_entry *alloc_mid(const struct smb_hdr *, + struct TCP_Server_Info *); +extern void delete_mid(struct mid_q_entry *mid); +extern void release_mid(struct mid_q_entry *mid); extern void cifs_wake_up_task(struct mid_q_entry *mid); extern int cifs_handle_standard(struct TCP_Server_Info *server, struct mid_q_entry *mid); diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 26b9d2438228..7aa91e272027 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -591,7 +591,7 @@ cifs_echo_callback(struct mid_q_entry *mid) struct TCP_Server_Info *server = mid->callback_data; struct cifs_credits credits = { .value = 1, .instance = 0 }; - DeleteMidQEntry(mid); + release_mid(mid); add_credits(server, &credits, CIFS_ECHO_OP); } @@ -1336,7 +1336,7 @@ cifs_readv_callback(struct mid_q_entry *mid) } queue_work(cifsiod_wq, &rdata->work); - DeleteMidQEntry(mid); + release_mid(mid); add_credits(server, &credits, 0); } @@ -1684,7 +1684,7 @@ cifs_writev_callback(struct mid_q_entry *mid) } queue_work(cifsiod_wq, &wdata->work); - DeleteMidQEntry(mid); + release_mid(mid); add_credits(tcon->ses->server, &credits, 0); } diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index abb65dd7471f..7f205a9a2de4 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -334,7 +334,7 @@ cifs_abort_connection(struct TCP_Server_Info *server) list_for_each_entry_safe(mid, nmid, &retry_list, qhead) { list_del_init(&mid->qhead); mid->callback(mid); - cifs_mid_q_entry_release(mid); + release_mid(mid); } if (cifs_rdma_enabled(server)) { @@ -1007,7 +1007,7 @@ static void clean_demultiplex_info(struct TCP_Server_Info *server) cifs_dbg(FYI, "Callback mid %llu\n", mid_entry->mid); list_del_init(&mid_entry->qhead); mid_entry->callback(mid_entry); - cifs_mid_q_entry_release(mid_entry); + release_mid(mid_entry); } /* 1/8th of sec is more than enough time for them to exit */ msleep(125); @@ -1246,7 +1246,7 @@ cifs_demultiplex_thread(void *p) if (length < 0) { for (i = 0; i < num_mids; i++) if (mids[i]) - cifs_mid_q_entry_release(mids[i]); + release_mid(mids[i]); continue; } @@ -1273,7 +1273,7 @@ cifs_demultiplex_thread(void *p) if (!mids[i]->multiRsp || mids[i]->multiEnd) mids[i]->callback(mids[i]); - cifs_mid_q_entry_release(mids[i]); + release_mid(mids[i]); } else if (server->ops->is_oplock_break && server->ops->is_oplock_break(bufs[i], server)) { diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index 82dd2e973753..c0039dc0715a 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -5099,7 +5099,7 @@ static void smb2_decrypt_offload(struct work_struct *work) spin_unlock(&dw->server->srv_lock); } } - cifs_mid_q_entry_release(mid); + release_mid(mid); } free_pages: diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 131bec79d6fd..590a1d4ac140 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -3776,7 +3776,7 @@ smb2_echo_callback(struct mid_q_entry *mid) credits.instance = server->reconnect_instance; } - DeleteMidQEntry(mid); + release_mid(mid); add_credits(server, &credits, CIFS_ECHO_OP); } @@ -4201,7 +4201,7 @@ smb2_readv_callback(struct mid_q_entry *mid) rdata->offset, rdata->got_bytes); queue_work(cifsiod_wq, &rdata->work); - DeleteMidQEntry(mid); + release_mid(mid); add_credits(server, &credits, 0); } @@ -4440,7 +4440,7 @@ smb2_writev_callback(struct mid_q_entry *mid) wdata->offset, wdata->bytes); queue_work(cifsiod_wq, &wdata->work); - DeleteMidQEntry(mid); + release_mid(mid); add_credits(server, &credits, 0); } diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c index f64922f340b3..1a5fc3314dbf 100644 --- a/fs/cifs/smb2transport.c +++ b/fs/cifs/smb2transport.c @@ -856,7 +856,7 @@ smb2_setup_request(struct cifs_ses *ses, struct TCP_Server_Info *server, rc = smb2_sign_rqst(rqst, server); if (rc) { revert_current_mid_from_hdr(server, shdr); - cifs_delete_mid(mid); + delete_mid(mid); return ERR_PTR(rc); } @@ -890,7 +890,7 @@ smb2_setup_async_request(struct TCP_Server_Info *server, struct smb_rqst *rqst) rc = smb2_sign_rqst(rqst, server); if (rc) { revert_current_mid_from_hdr(server, shdr); - DeleteMidQEntry(mid); + release_mid(mid); return ERR_PTR(rc); } diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c index 914a7aaf9fa7..dc69ac9dad60 100644 --- a/fs/cifs/transport.c +++ b/fs/cifs/transport.c @@ -39,12 +39,12 @@ cifs_wake_up_task(struct mid_q_entry *mid) } struct mid_q_entry * -AllocMidQEntry(const struct smb_hdr *smb_buffer, struct TCP_Server_Info *server) +alloc_mid(const struct smb_hdr *smb_buffer, struct TCP_Server_Info *server) { struct mid_q_entry *temp; if (server == NULL) { - cifs_dbg(VFS, "Null TCP session in AllocMidQEntry\n"); + cifs_dbg(VFS, "%s: null TCP session\n", __func__); return NULL; } @@ -74,7 +74,7 @@ AllocMidQEntry(const struct smb_hdr *smb_buffer, struct TCP_Server_Info *server) return temp; } -static void _cifs_mid_q_entry_release(struct kref *refcount) +static void __release_mid(struct kref *refcount) { struct mid_q_entry *midEntry = container_of(refcount, struct mid_q_entry, refcount); @@ -153,22 +153,17 @@ static void _cifs_mid_q_entry_release(struct kref *refcount) mempool_free(midEntry, cifs_mid_poolp); } -void cifs_mid_q_entry_release(struct mid_q_entry *midEntry) +void release_mid(struct mid_q_entry *mid) { - struct TCP_Server_Info *server = midEntry->server; + struct TCP_Server_Info *server = mid->server; spin_lock(&server->mid_lock); - kref_put(&midEntry->refcount, _cifs_mid_q_entry_release); + kref_put(&mid->refcount, __release_mid); spin_unlock(&server->mid_lock); } -void DeleteMidQEntry(struct mid_q_entry *midEntry) -{ - cifs_mid_q_entry_release(midEntry); -} - void -cifs_delete_mid(struct mid_q_entry *mid) +delete_mid(struct mid_q_entry *mid) { spin_lock(&mid->server->mid_lock); if (!(mid->mid_flags & MID_DELETED)) { @@ -177,7 +172,7 @@ cifs_delete_mid(struct mid_q_entry *mid) } spin_unlock(&mid->server->mid_lock); - DeleteMidQEntry(mid); + release_mid(mid); } /* @@ -748,7 +743,7 @@ static int allocate_mid(struct cifs_ses *ses, struct smb_hdr *in_buf, } spin_unlock(&ses->ses_lock); - *ppmidQ = AllocMidQEntry(in_buf, ses->server); + *ppmidQ = alloc_mid(in_buf, ses->server); if (*ppmidQ == NULL) return -ENOMEM; spin_lock(&ses->server->mid_lock); @@ -785,13 +780,13 @@ cifs_setup_async_request(struct TCP_Server_Info *server, struct smb_rqst *rqst) if (server->sign) hdr->Flags2 |= SMBFLG2_SECURITY_SIGNATURE; - mid = AllocMidQEntry(hdr, server); + mid = alloc_mid(hdr, server); if (mid == NULL) return ERR_PTR(-ENOMEM); rc = cifs_sign_rqst(rqst, server, &mid->sequence_number); if (rc) { - DeleteMidQEntry(mid); + release_mid(mid); return ERR_PTR(rc); } @@ -868,7 +863,7 @@ cifs_call_async(struct TCP_Server_Info *server, struct smb_rqst *rqst, if (rc < 0) { revert_current_mid(server, mid->credits); server->sequence_number -= 2; - cifs_delete_mid(mid); + delete_mid(mid); } cifs_server_unlock(server); @@ -940,7 +935,7 @@ cifs_sync_mid_result(struct mid_q_entry *mid, struct TCP_Server_Info *server) } spin_unlock(&server->mid_lock); - DeleteMidQEntry(mid); + release_mid(mid); return rc; } @@ -1000,7 +995,7 @@ cifs_setup_request(struct cifs_ses *ses, struct TCP_Server_Info *ignored, return ERR_PTR(rc); rc = cifs_sign_rqst(rqst, ses->server, &mid->sequence_number); if (rc) { - cifs_delete_mid(mid); + delete_mid(mid); return ERR_PTR(rc); } return mid; @@ -1029,7 +1024,7 @@ static void cifs_cancelled_callback(struct mid_q_entry *mid) { cifs_compound_callback(mid); - DeleteMidQEntry(mid); + release_mid(mid); } /* @@ -1133,7 +1128,7 @@ compound_send_recv(const unsigned int xid, struct cifs_ses *ses, if (IS_ERR(midQ[i])) { revert_current_mid(server, i); for (j = 0; j < i; j++) - cifs_delete_mid(midQ[j]); + delete_mid(midQ[j]); cifs_server_unlock(server); /* Update # of requests on wire to server */ @@ -1253,7 +1248,7 @@ compound_send_recv(const unsigned int xid, struct cifs_ses *ses, rc = server->ops->check_receive(midQ[i], server, flags & CIFS_LOG_ERROR); - /* mark it so buf will not be freed by cifs_delete_mid */ + /* mark it so buf will not be freed by delete_mid */ if ((flags & CIFS_NO_RSP_BUF) == 0) midQ[i]->resp_buf = NULL; @@ -1285,7 +1280,7 @@ compound_send_recv(const unsigned int xid, struct cifs_ses *ses, */ for (i = 0; i < num_rqst; i++) { if (!cancelled_mid[i]) - cifs_delete_mid(midQ[i]); + delete_mid(midQ[i]); } return rc; @@ -1425,7 +1420,7 @@ SendReceive(const unsigned int xid, struct cifs_ses *ses, spin_lock(&server->mid_lock); if (midQ->mid_state == MID_REQUEST_SUBMITTED) { /* no longer considered to be "in-flight" */ - midQ->callback = DeleteMidQEntry; + midQ->callback = release_mid; spin_unlock(&server->mid_lock); add_credits(server, &credits, 0); return rc; @@ -1450,7 +1445,7 @@ SendReceive(const unsigned int xid, struct cifs_ses *ses, memcpy(out_buf, midQ->resp_buf, *pbytes_returned + 4); rc = cifs_check_receive(midQ, server, 0); out: - cifs_delete_mid(midQ); + delete_mid(midQ); add_credits(server, &credits, 0); return rc; @@ -1543,7 +1538,7 @@ SendReceiveBlockingLock(const unsigned int xid, struct cifs_tcon *tcon, rc = cifs_sign_smb(in_buf, server, &midQ->sequence_number); if (rc) { - cifs_delete_mid(midQ); + delete_mid(midQ); cifs_server_unlock(server); return rc; } @@ -1560,7 +1555,7 @@ SendReceiveBlockingLock(const unsigned int xid, struct cifs_tcon *tcon, cifs_server_unlock(server); if (rc < 0) { - cifs_delete_mid(midQ); + delete_mid(midQ); return rc; } @@ -1583,7 +1578,7 @@ SendReceiveBlockingLock(const unsigned int xid, struct cifs_tcon *tcon, blocking lock to return. */ rc = send_cancel(server, &rqst, midQ); if (rc) { - cifs_delete_mid(midQ); + delete_mid(midQ); return rc; } } else { @@ -1595,7 +1590,7 @@ SendReceiveBlockingLock(const unsigned int xid, struct cifs_tcon *tcon, /* If we get -ENOLCK back the lock may have already been removed. Don't exit in this case. */ if (rc && rc != -ENOLCK) { - cifs_delete_mid(midQ); + delete_mid(midQ); return rc; } } @@ -1606,7 +1601,7 @@ SendReceiveBlockingLock(const unsigned int xid, struct cifs_tcon *tcon, spin_lock(&server->mid_lock); if (midQ->mid_state == MID_REQUEST_SUBMITTED) { /* no longer considered to be "in-flight" */ - midQ->callback = DeleteMidQEntry; + midQ->callback = release_mid; spin_unlock(&server->mid_lock); return rc; } @@ -1634,7 +1629,7 @@ SendReceiveBlockingLock(const unsigned int xid, struct cifs_tcon *tcon, memcpy(out_buf, midQ->resp_buf, *pbytes_returned + 4); rc = cifs_check_receive(midQ, server, 0); out: - cifs_delete_mid(midQ); + delete_mid(midQ); if (rstart && rc == -EACCES) return -ERESTARTSYS; return rc; From patchwork Fri Aug 5 14:47:39 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Enzo Matsumiya X-Patchwork-Id: 12937342 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6EA34C25B08 for ; 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Fri, 5 Aug 2022 14:47:50 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id cm8gKZYt7WIRTwAAMHmgww (envelope-from ); Fri, 05 Aug 2022 14:47:50 +0000 From: Enzo Matsumiya To: linux-cifs@vger.kernel.org Cc: smfrench@gmail.com, pc@cjr.nz, ronniesahlberg@gmail.com, nspmangalore@gmail.com Subject: [PATCH v2 2/2] cifs: remove "cifs_" prefix from init/destroy mids functions Date: Fri, 5 Aug 2022 11:47:39 -0300 Message-Id: <20220805144739.27641-2-ematsumiya@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20220805144739.27641-1-ematsumiya@suse.de> References: <20220805144739.27641-1-ematsumiya@suse.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org Rename generic mid functions to same style, i.e. without "cifs_" prefix. cifs_{init,destroy}_mids() -> {init,destroy}_mids() Signed-off-by: Enzo Matsumiya --- fs/cifs/cifsfs.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index af4c5632490e..8849f0852110 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -1568,8 +1568,7 @@ cifs_destroy_request_bufs(void) kmem_cache_destroy(cifs_sm_req_cachep); } -static int -cifs_init_mids(void) +static int init_mids(void) { cifs_mid_cachep = kmem_cache_create("cifs_mpx_ids", sizeof(struct mid_q_entry), 0, @@ -1587,8 +1586,7 @@ cifs_init_mids(void) return 0; } -static void -cifs_destroy_mids(void) +static void destroy_mids(void) { mempool_destroy(cifs_mid_poolp); kmem_cache_destroy(cifs_mid_cachep); @@ -1685,7 +1683,7 @@ init_cifs(void) if (rc) goto out_destroy_deferredclose_wq; - rc = cifs_init_mids(); + rc = init_mids(); if (rc) goto out_destroy_inodecache; @@ -1742,7 +1740,7 @@ init_cifs(void) #endif cifs_destroy_request_bufs(); out_destroy_mids: - cifs_destroy_mids(); + destroy_mids(); out_destroy_inodecache: cifs_destroy_inodecache(); out_destroy_deferredclose_wq: @@ -1778,7 +1776,7 @@ exit_cifs(void) dfs_cache_destroy(); #endif cifs_destroy_request_bufs(); - cifs_destroy_mids(); + destroy_mids(); cifs_destroy_inodecache(); destroy_workqueue(deferredclose_wq); destroy_workqueue(cifsoplockd_wq);