scsi: bury ->proc_info()
all users converted to ->show_info()/->write_info() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
parent
d89537e1b1
commit
70ef457dc9
2 changed files with 9 additions and 73 deletions
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@ -45,58 +45,6 @@ static struct proc_dir_entry *proc_scsi;
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/* Protect sht->present and sht->proc_dir */
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/* Protect sht->present and sht->proc_dir */
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static DEFINE_MUTEX(global_host_template_mutex);
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static DEFINE_MUTEX(global_host_template_mutex);
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/**
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* proc_scsi_read - handle read from /proc by calling host's proc_info() command
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* @buffer: passed to proc_info
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* @start: passed to proc_info
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* @offset: passed to proc_info
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* @length: passed to proc_info
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* @eof: returns whether length read was less than requested
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* @data: pointer to a &struct Scsi_Host
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*/
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static int proc_scsi_read(char *buffer, char **start, off_t offset,
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int length, int *eof, void *data)
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{
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struct Scsi_Host *shost = data;
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int n;
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n = shost->hostt->proc_info(shost, buffer, start, offset, length, 0);
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*eof = (n < length);
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return n;
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}
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/**
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* proc_scsi_write_proc - Handle write to /proc by calling host's proc_info()
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* @file: not used
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* @buf: source of data to write.
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* @count: number of bytes (at most PROC_BLOCK_SIZE) to write.
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* @data: pointer to &struct Scsi_Host
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*/
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static int proc_scsi_write_proc(struct file *file, const char __user *buf,
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unsigned long count, void *data)
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{
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struct Scsi_Host *shost = data;
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ssize_t ret = -ENOMEM;
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char *page;
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char *start;
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if (count > PROC_BLOCK_SIZE)
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return -EOVERFLOW;
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page = (char *)__get_free_page(GFP_KERNEL);
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if (page) {
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ret = -EFAULT;
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if (copy_from_user(page, buf, count))
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goto out;
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ret = shost->hostt->proc_info(shost, page, &start, 0, count, 1);
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}
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out:
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free_page((unsigned long)page);
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return ret;
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}
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static ssize_t proc_scsi_host_write(struct file *file, const char __user *buf,
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static ssize_t proc_scsi_host_write(struct file *file, const char __user *buf,
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size_t count, loff_t *ppos)
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size_t count, loff_t *ppos)
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{
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{
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@ -149,7 +97,7 @@ static const struct file_operations proc_scsi_fops = {
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void scsi_proc_hostdir_add(struct scsi_host_template *sht)
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void scsi_proc_hostdir_add(struct scsi_host_template *sht)
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{
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{
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if (!sht->proc_info && !sht->show_info)
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if (!sht->show_info)
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return;
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return;
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mutex_lock(&global_host_template_mutex);
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mutex_lock(&global_host_template_mutex);
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@ -168,7 +116,7 @@ void scsi_proc_hostdir_add(struct scsi_host_template *sht)
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*/
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*/
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void scsi_proc_hostdir_rm(struct scsi_host_template *sht)
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void scsi_proc_hostdir_rm(struct scsi_host_template *sht)
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{
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{
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if (!sht->proc_info && !sht->show_info)
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if (!sht->show_info)
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return;
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return;
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mutex_lock(&global_host_template_mutex);
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mutex_lock(&global_host_template_mutex);
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@ -194,23 +142,12 @@ void scsi_proc_host_add(struct Scsi_Host *shost)
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return;
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return;
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sprintf(name,"%d", shost->host_no);
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sprintf(name,"%d", shost->host_no);
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if (sht->show_info) {
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p = proc_create_data(name, S_IRUGO | S_IWUSR,
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p = proc_create_data(name, S_IRUGO | S_IWUSR,
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sht->proc_dir, &proc_scsi_fops, shost);
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sht->proc_dir, &proc_scsi_fops, shost);
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if (!p)
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if (!p)
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printk(KERN_ERR "%s: Failed to register host %d in"
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goto Fail;
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"%s\n", __func__, shost->host_no,
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return;
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sht->proc_name);
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}
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p = create_proc_read_entry(name, S_IFREG | S_IRUGO | S_IWUSR,
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sht->proc_dir, proc_scsi_read, shost);
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if (p) {
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p->write_proc = proc_scsi_write_proc;
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return;
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}
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Fail:
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printk(KERN_ERR "%s: Failed to register host %d in"
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"%s\n", __func__, shost->host_no,
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sht->proc_name);
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}
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}
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/**
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/**
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@ -341,7 +341,6 @@ struct scsi_host_template {
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*
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*
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* Status: OBSOLETE
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* Status: OBSOLETE
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*/
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*/
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int (*proc_info)(struct Scsi_Host *, char *, char **, off_t, int, int);
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int (*show_info)(struct seq_file *, struct Scsi_Host *);
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int (*show_info)(struct seq_file *, struct Scsi_Host *);
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int (*write_info)(struct Scsi_Host *, char *, int);
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int (*write_info)(struct Scsi_Host *, char *, int);
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@ -378,7 +377,7 @@ struct scsi_host_template {
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/*
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/*
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* Used to store the procfs directory if a driver implements the
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* Used to store the procfs directory if a driver implements the
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* proc_info or show_info method.
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* show_info method.
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*/
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*/
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struct proc_dir_entry *proc_dir;
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struct proc_dir_entry *proc_dir;
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