From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leif Sahlberg Subject: Re: [Patch v7 06/22] CIFS: SMBD: export protocol initial values Date: Mon, 20 Nov 2017 02:37:41 -0500 (EST) Message-ID: <1490537439.28570701.1511163461828.JavaMail.zimbra@redhat.com> References: <20171107085514.12693-1-longli@exchange.microsoft.com> <20171107085514.12693-7-longli@exchange.microsoft.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20171107085514.12693-7-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org> Sender: linux-cifs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Long Li Cc: Steve French , linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Christoph Hellwig , Tom Talpey , Matthew Wilcox , Stephen Hemminger , Long Li List-Id: linux-rdma@vger.kernel.org Acked-by: Ronnie Sahlberg ----- Original Message ----- From: "Long Li" To: "Steve French" , linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, samba-technical-w/Ol4Ecudpl8XjKLYN78aQ@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, "Christoph Hellwig" , "Tom Talpey" , "Matthew Wilcox" , "Stephen Hemminger" Cc: "Long Li" Sent: Tuesday, 7 November, 2017 7:54:58 PM Subject: [Patch v7 06/22] CIFS: SMBD: export protocol initial values From: Long Li For use-configurable SMB Direct protocol values, export them to /proc/fs/cifs. Signed-off-by: Long Li --- 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 ba0870d..7025d8d 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) @@ -371,6 +374,54 @@ 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; @@ -398,6 +449,24 @@ 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 @@ -415,6 +484,16 @@ 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 -- To unsubscribe from this list: send the line "unsubscribe linux-cifs" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html