From: Long Li <longli@exchange.microsoft.com>
To: Steve French <sfrench@samba.org>,
linux-cifs@vger.kernel.org, samba-technical@lists.samba.org,
linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org,
Tom Talpey <ttalpey@microsoft.com>,
Matthew Wilcox <mawilcox@microsoft.com>,
Stephen Hemminger <sthemmin@microsoft.com>
Cc: Long Li <longli@microsoft.com>
Subject: [Patch v5 03/21] CIFS: SMBD: export protocol initial values
Date: Wed, 18 Oct 2017 16:09:02 -0700 [thread overview]
Message-ID: <20171018230920.21042-4-longli@exchange.microsoft.com> (raw)
In-Reply-To: <20171018230920.21042-1-longli@exchange.microsoft.com>
From: Long Li <longli@microsoft.com>
For use-configurable SMB Direct protocol values, export them to /proc/fs/cifs.
Signed-off-by: Long Li <longli@microsoft.com>
---
fs/cifs/cifs_debug.c | 79 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 79 insertions(+)
diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
index 9727e1d..26d0dff 100644
--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -30,6 +30,9 @@
#include "cifsproto.h"
#include "cifs_debug.h"
#include "cifsfs.h"
+#ifdef CONFIG_CIFS_SMB_DIRECT
+#include "smbdirect.h"
+#endif
void
cifs_dump_mem(char *label, void *data, int length)
@@ -369,6 +372,54 @@ static const struct file_operations cifs_stats_proc_fops = {
};
#endif /* STATS */
+#ifdef CONFIG_CIFS_SMB_DIRECT
+#define PROC_FILE_DEFINE(name) \
+static ssize_t name##_write(struct file *file, const char __user *buffer, \
+ size_t count, loff_t *ppos) \
+{ \
+ int rc; \
+ rc = kstrtoint_from_user(buffer, count, 10, & name ); \
+ if (rc) \
+ return rc; \
+ return count; \
+} \
+static int name##_proc_show(struct seq_file *m, void *v) \
+{ \
+ seq_printf(m, "%d\n", name ); \
+ return 0; \
+} \
+static int name##_open(struct inode *inode, struct file *file) \
+{ \
+ return single_open(file, name##_proc_show, NULL); \
+} \
+\
+static const struct file_operations cifs_##name##_proc_fops = { \
+ .open = name##_open, \
+ .read = seq_read, \
+ .llseek = seq_lseek, \
+ .release = single_release, \
+ .write = name##_write, \
+}
+
+extern int rdma_readwrite_threshold;
+extern int smbd_max_frmr_depth;
+extern int smbd_keep_alive_interval;
+extern int smbd_max_receive_size;
+extern int smbd_max_fragmented_recv_size;
+extern int smbd_max_send_size;
+extern int smbd_send_credit_target;
+extern int smbd_receive_credit_max;
+
+PROC_FILE_DEFINE(rdma_readwrite_threshold);
+PROC_FILE_DEFINE(smbd_max_frmr_depth);
+PROC_FILE_DEFINE(smbd_keep_alive_interval);
+PROC_FILE_DEFINE(smbd_max_receive_size);
+PROC_FILE_DEFINE(smbd_max_fragmented_recv_size);
+PROC_FILE_DEFINE(smbd_max_send_size);
+PROC_FILE_DEFINE(smbd_send_credit_target);
+PROC_FILE_DEFINE(smbd_receive_credit_max);
+#endif
+
static struct proc_dir_entry *proc_fs_cifs;
static const struct file_operations cifsFYI_proc_fops;
static const struct file_operations cifs_lookup_cache_proc_fops;
@@ -396,6 +447,24 @@ cifs_proc_init(void)
&cifs_security_flags_proc_fops);
proc_create("LookupCacheEnabled", 0, proc_fs_cifs,
&cifs_lookup_cache_proc_fops);
+#ifdef CONFIG_CIFS_SMB_DIRECT
+ proc_create("rdma_readwrite_threshold", 0, proc_fs_cifs,
+ &cifs_rdma_readwrite_threshold_proc_fops);
+ proc_create("smbd_max_frmr_depth", 0, proc_fs_cifs,
+ &cifs_smbd_max_frmr_depth_proc_fops);
+ proc_create("smbd_keep_alive_interval", 0, proc_fs_cifs,
+ &cifs_smbd_keep_alive_interval_proc_fops);
+ proc_create("smbd_max_receive_size", 0, proc_fs_cifs,
+ &cifs_smbd_max_receive_size_proc_fops);
+ proc_create("smbd_max_fragmented_recv_size", 0, proc_fs_cifs,
+ &cifs_smbd_max_fragmented_recv_size_proc_fops);
+ proc_create("smbd_max_send_size", 0, proc_fs_cifs,
+ &cifs_smbd_max_send_size_proc_fops);
+ proc_create("smbd_send_credit_target", 0, proc_fs_cifs,
+ &cifs_smbd_send_credit_target_proc_fops);
+ proc_create("smbd_receive_credit_max", 0, proc_fs_cifs,
+ &cifs_smbd_receive_credit_max_proc_fops);
+#endif
}
void
@@ -413,6 +482,16 @@ cifs_proc_clean(void)
remove_proc_entry("SecurityFlags", proc_fs_cifs);
remove_proc_entry("LinuxExtensionsEnabled", proc_fs_cifs);
remove_proc_entry("LookupCacheEnabled", proc_fs_cifs);
+#ifdef CONFIG_CIFS_SMB_DIRECT
+ remove_proc_entry("rdma_readwrite_threshold", proc_fs_cifs);
+ remove_proc_entry("smbd_max_frmr_depth", proc_fs_cifs);
+ remove_proc_entry("smbd_keep_alive_interval", proc_fs_cifs);
+ remove_proc_entry("smbd_max_receive_size", proc_fs_cifs);
+ remove_proc_entry("smbd_max_fragmented_recv_size", proc_fs_cifs);
+ remove_proc_entry("smbd_max_send_size", proc_fs_cifs);
+ remove_proc_entry("smbd_send_credit_target", proc_fs_cifs);
+ remove_proc_entry("smbd_receive_credit_max", proc_fs_cifs);
+#endif
remove_proc_entry("fs/cifs", NULL);
}
--
2.7.4
next prev parent reply other threads:[~2017-10-18 23:09 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-18 23:08 [Patch v5 00/21] CIFS: Implement SMB Direct protocol Long Li
2017-10-18 23:09 ` [Patch v5 01/21] CIFS: SMBD: Add SMB Direct protocol initial values and constants Long Li
[not found] ` <20171018230920.21042-2-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org>
2017-11-01 17:21 ` Steve French
[not found] ` <CAH2r5msbXygf-GaSLyy4q_k6pNR8zSKw2KwF3--oeofimdghag-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-11-01 18:49 ` Long Li
2017-10-18 23:09 ` Long Li [this message]
2017-10-18 23:09 ` [Patch v5 04/21] CIFS: SMBD: Add rdma mount option Long Li
2017-10-18 23:09 ` [Patch v5 05/21] CIFS: SMBD: Implement function to create a SMB Direct connection Long Li
2017-10-18 23:09 ` [Patch v5 06/21] CIFS: SMBD: Upper layer connects to SMBDirect session Long Li
2017-10-18 23:09 ` [Patch v5 08/21] CIFS: SMBD: Upper layer reconnects to SMB Direct session Long Li
[not found] ` <20171018230920.21042-9-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org>
2017-11-01 18:04 ` Pavel Shilovsky
2017-11-01 19:44 ` Matthew Wilcox
[not found] ` <BN6PR21MB083455CADF03A6BD40863968CB5F0-M7qishpO4ShSLOx3ThEYWs1VXTxX1y3OvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2017-11-05 18:37 ` Long Li
[not found] ` <MWHPR21MB01904A80D5C08396A7209471CE530-saRRjQKJ25M/hL2NnenhuM1VXTxX1y3OvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2017-11-05 19:19 ` Long Li
[not found] ` <MWHPR21MB019066558DAE185D630EC2E7CE530-saRRjQKJ25M/hL2NnenhuM1VXTxX1y3OvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2017-11-06 18:10 ` Matthew Wilcox
[not found] ` <DM5PR21MB08439FAD284B66941BD4E1A3CB500-wL6gkCBjFTaTOEAW4KKL081VXTxX1y3OvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2017-11-06 18:59 ` Long Li
[not found] ` <MWHPR21MB0846AFBFCA9D6CDC97060C5DCE500-saRRjQKJ25OdAu0pOMKhMc1VXTxX1y3OvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2017-11-06 20:25 ` Tom Talpey
2017-11-06 20:46 ` Long Li
2017-10-18 23:09 ` [Patch v5 09/21] CIFS: SMBD: Implement function to destroy a SMB Direct connection Long Li
2017-10-18 23:09 ` [Patch v5 10/21] CIFS: SMBD: Upper layer destroys SMB Direct session on shutdown or umount Long Li
2017-10-18 23:09 ` [Patch v5 12/21] CIFS: SMBD: Implement function to receive data via RDMA receive Long Li
2017-10-18 23:09 ` [Patch v5 13/21] CIFS: SMBD: Upper layer receives " Long Li
2017-10-18 23:09 ` [Patch v5 14/21] CIFS: SMBD: Implement function to send data via RDMA send Long Li
[not found] ` <20171018230920.21042-1-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org>
2017-10-18 23:09 ` [Patch v5 02/21] CIFS: SMBD: Establish SMB Direct connection Long Li
[not found] ` <20171018230920.21042-3-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org>
2017-11-01 17:19 ` Pavel Shilovsky
2017-11-01 18:48 ` Long Li
2017-10-18 23:09 ` [Patch v5 07/21] CIFS: SMBD: Implement function to reconnect to a SMB Direct transport Long Li
2017-10-18 23:09 ` [Patch v5 11/21] CIFS: SMBD: Set SMB Direct maximum read or write size for I/O Long Li
2017-10-18 23:09 ` [Patch v5 15/21] CIFS: SMBD: Upper layer sends data via RDMA send Long Li
2017-10-18 23:09 ` [Patch v5 18/21] CIFS: SMBD: Add parameter rdata to smb2_new_read_req Long Li
2017-10-18 23:09 ` [Patch v5 16/21] CIFS: SMBD: Implement RDMA memory registration Long Li
2017-10-18 23:09 ` [Patch v5 17/21] CIFS: SMBD: Upper layer performs SMB write via RDMA read through " Long Li
2017-10-18 23:09 ` [Patch v5 19/21] CIFS: SMBD: Read correct returned data length for RDMA write (SMB read) I/O Long Li
[not found] ` <20171018230920.21042-20-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org>
2017-11-01 16:50 ` Pavel Shilovsky
[not found] ` <CAKywueSUUgxdxcdJbpo0YJTcxauVebzO45UPLD46zzrKVurc5A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-11-01 18:48 ` Long Li
2017-10-18 23:09 ` [Patch v5 20/21] CIFS: SMBD: Upper layer performs SMB read via RDMA write through memory registration Long Li
2017-10-18 23:09 ` [Patch v5 21/21] CIFS: SMBD: Add SMB Direct debug counters Long Li
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