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scsi_debug: switch to ->show_info()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-03-31 01:46:06 -04:00
parent cac197031c
commit c8ed555aba
1 changed files with 21 additions and 32 deletions
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53
drivers/scsi/scsi_debug.c
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@ -2823,31 +2823,27 @@ static const char * scsi_debug_info(struct Scsi_Host * shp)
/* scsi_debug_proc_info
* Used if the driver currently has no own support for /proc/scsi
*/
static int scsi_debug_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
int length, int inout)
static int scsi_debug_write_info(struct Scsi_Host *host, char *buffer, int length)
{
int len, pos, begin;
int orig_length;
char arr[16];
int opts;
int minLen = length > 15 ? 15 : length;
orig_length = length;
if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO))
return -EACCES;
memcpy(arr, buffer, minLen);
arr[minLen] = '\0';
if (1 != sscanf(arr, "%d", &opts))
return -EINVAL;
scsi_debug_opts = opts;
if (scsi_debug_every_nth != 0)
scsi_debug_cmnd_count = 0;
return length;
}
if (inout == 1) {
char arr[16];
int minLen = length > 15 ? 15 : length;
if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO))
return -EACCES;
memcpy(arr, buffer, minLen);
arr[minLen] = '\0';
if (1 != sscanf(arr, "%d", &pos))
return -EINVAL;
scsi_debug_opts = pos;
if (scsi_debug_every_nth != 0)
scsi_debug_cmnd_count = 0;
return length;
}
begin = 0;
pos = len = sprintf(buffer, "scsi_debug adapter driver, version "
static int scsi_debug_show_info(struct seq_file *m, struct Scsi_Host *host)
{
seq_printf(m, "scsi_debug adapter driver, version "
"%s [%s]\n"
"num_tgts=%d, shared (ram) size=%d MB, opts=0x%x, "
"every_nth=%d(curr:%d)\n"
@ -2862,15 +2858,7 @@ static int scsi_debug_proc_info(struct Scsi_Host *host, char *buffer, char **sta
scsi_debug_sector_size, sdebug_cylinders_per, sdebug_heads,
sdebug_sectors_per, num_aborts, num_dev_resets, num_bus_resets,
num_host_resets, dix_reads, dix_writes, dif_errors);
if (pos < offset) {
len = 0;
begin = pos;
}
*start = buffer + (offset - begin); /* Start of wanted data */
len -= (offset - begin);
if (len > length)
len = length;
return len;
return 0;
}
static ssize_t sdebug_delay_show(struct device_driver * ddp, char * buf)
@ -3957,7 +3945,8 @@ write:
static DEF_SCSI_QCMD(scsi_debug_queuecommand)
static struct scsi_host_template sdebug_driver_template = {
.proc_info = scsi_debug_proc_info,
.show_info = scsi_debug_show_info,
.write_info = scsi_debug_write_info,
.proc_name = sdebug_proc_name,
.name = "SCSI DEBUG",
.info = scsi_debug_info,