Re: [Patch v7 06/22] CIFS: SMBD: export protocol initial values

[Steve French]

merged into cifs-2.6.git for-next after cleaning up a couple checkpatch warnings

On Mon, Nov 20, 2017 at 1:37 AM, Leif Sahlberg <lsahlber@xxxxxxxxxx> wrote:
> Acked-by: Ronnie Sahlberg <lsahlber@xxxxxxxxxx>
>
>
> ----- Original Message -----
> From: "Long Li" <longli@xxxxxxxxxxxxxxxxxxxxxx>
> To: "Steve French" <sfrench@xxxxxxxxx>, linux-cifs@xxxxxxxxxxxxxxx, samba-technical@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-rdma@xxxxxxxxxxxxxxx, "Christoph Hellwig" <hch@xxxxxxxxxxxxx>, "Tom Talpey" <ttalpey@xxxxxxxxxxxxx>, "Matthew Wilcox" <mawilcox@xxxxxxxxxxxxx>, "Stephen Hemminger" <sthemmin@xxxxxxxxxxxxx>
> Cc: "Long Li" <longli@xxxxxxxxxxxxx>
> Sent: Tuesday, 7 November, 2017 7:54:58 PM
> Subject: [Patch v7 06/22] CIFS: SMBD: export protocol initial values
>
> From: Long Li <longli@xxxxxxxxxxxxx>
>
> For use-configurable SMB Direct protocol values, export them to /proc/fs/cifs.
>
> Signed-off-by: Long Li <longli@xxxxxxxxxxxxx>
> ---
>  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
>
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-- 
Thanks,

Steve