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 @@ next_pdu: 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 @@ next_pdu: 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 @@ out: */ 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;