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authorAl Viro <viro@zeniv.linux.org.uk>2013-03-31 03:12:15 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2013-04-09 14:13:22 -0400
commit275084cbff47f8a3f4b6f86464d08da6691424db (patch)
treeeb996a70c4a652399f1973d52b334f5612eb349a /drivers
parent31491e1ac425edc6b80a670a71ac8d2dfdd78417 (diff)
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aha152x: switch to ->show_info()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/aha152x.c61
1 files changed, 12 insertions, 49 deletions
diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c
index a284be17699f..3f7b6fee0a74 100644
--- a/drivers/scsi/aha152x.c
+++ b/drivers/scsi/aha152x.c
@@ -2977,11 +2977,10 @@ static void show_queues(struct Scsi_Host *shpnt)
}
#undef SPRINTF
-#define SPRINTF(args...) pos += sprintf(pos, ## args)
+#define SPRINTF(args...) seq_printf(m, ##args)
-static int get_command(char *pos, Scsi_Cmnd * ptr)
+static void get_command(struct seq_file *m, Scsi_Cmnd * ptr)
{
- char *start = pos;
int i;
SPRINTF("%p: target=%d; lun=%d; cmnd=( ",
@@ -3011,13 +3010,10 @@ static int get_command(char *pos, Scsi_Cmnd * ptr)
if (ptr->SCp.phase & syncneg)
SPRINTF("syncneg|");
SPRINTF("; next=0x%p\n", SCNEXT(ptr));
-
- return (pos - start);
}
-static int get_ports(struct Scsi_Host *shpnt, char *pos)
+static void get_ports(struct seq_file *m, struct Scsi_Host *shpnt)
{
- char *start = pos;
int s;
SPRINTF("\n%s: %s(%s) ", CURRENT_SC ? "on bus" : "waiting", states[STATE].name, states[PREVSTATE].name);
@@ -3273,11 +3269,9 @@ static int get_ports(struct Scsi_Host *shpnt, char *pos)
if (s & ENREQINIT)
SPRINTF("ENREQINIT ");
SPRINTF(")\n");
-
- return (pos - start);
}
-static int aha152x_set_info(char *buffer, int length, struct Scsi_Host *shpnt)
+static int aha152x_set_info(struct Scsi_Host *shpnt, char *buffer, int length)
{
if(!shpnt || !buffer || length<8 || strncmp("aha152x ", buffer, 8)!=0)
return -EINVAL;
@@ -3320,26 +3314,11 @@ static int aha152x_set_info(char *buffer, int length, struct Scsi_Host *shpnt)
return length;
}
-#undef SPRINTF
-#define SPRINTF(args...) \
- do { if(pos < buffer + length) pos += sprintf(pos, ## args); } while(0)
-
-static int aha152x_proc_info(struct Scsi_Host *shpnt, char *buffer, char **start,
- off_t offset, int length, int inout)
+static int aha152x_show_info(struct seq_file *m, struct Scsi_Host *shpnt)
{
int i;
- char *pos = buffer;
Scsi_Cmnd *ptr;
unsigned long flags;
- int thislength;
-
- DPRINTK(debug_procinfo,
- KERN_DEBUG "aha152x_proc_info: buffer=%p offset=%ld length=%d hostno=%d inout=%d\n",
- buffer, offset, length, shpnt->host_no, inout);
-
-
- if (inout)
- return aha152x_set_info(buffer, length, shpnt);
SPRINTF(AHA152X_REVID "\n");
@@ -3392,25 +3371,25 @@ static int aha152x_proc_info(struct Scsi_Host *shpnt, char *buffer, char **start
if (ISSUE_SC) {
SPRINTF("not yet issued commands:\n");
for (ptr = ISSUE_SC; ptr; ptr = SCNEXT(ptr))
- pos += get_command(pos, ptr);
+ get_command(m, ptr);
} else
SPRINTF("no not yet issued commands\n");
DO_UNLOCK(flags);
if (CURRENT_SC) {
SPRINTF("current command:\n");
- pos += get_command(pos, CURRENT_SC);
+ get_command(m, CURRENT_SC);
} else
SPRINTF("no current command\n");
if (DISCONNECTED_SC) {
SPRINTF("disconnected commands:\n");
for (ptr = DISCONNECTED_SC; ptr; ptr = SCNEXT(ptr))
- pos += get_command(pos, ptr);
+ get_command(m, ptr);
} else
SPRINTF("no disconnected commands\n");
- pos += get_ports(shpnt, pos);
+ get_ports(m, shpnt);
#if defined(AHA152X_STAT)
SPRINTF("statistics:\n"
@@ -3440,24 +3419,7 @@ static int aha152x_proc_info(struct Scsi_Host *shpnt, char *buffer, char **start
HOSTDATA(shpnt)->time[i]);
}
#endif
-
- DPRINTK(debug_procinfo, KERN_DEBUG "aha152x_proc_info: pos=%p\n", pos);
-
- thislength = pos - (buffer + offset);
- DPRINTK(debug_procinfo, KERN_DEBUG "aha152x_proc_info: length=%d thislength=%d\n", length, thislength);
-
- if(thislength<0) {
- DPRINTK(debug_procinfo, KERN_DEBUG "aha152x_proc_info: output too short\n");
- *start = NULL;
- return 0;
- }
-
- thislength = thislength<length ? thislength : length;
-
- DPRINTK(debug_procinfo, KERN_DEBUG "aha152x_proc_info: return %d\n", thislength);
-
- *start = buffer + offset;
- return thislength < length ? thislength : length;
+ return 0;
}
static int aha152x_adjust_queue(struct scsi_device *device)
@@ -3470,7 +3432,8 @@ static struct scsi_host_template aha152x_driver_template = {
.module = THIS_MODULE,
.name = AHA152X_REVID,
.proc_name = "aha152x",
- .proc_info = aha152x_proc_info,
+ .show_info = aha152x_show_info,
+ .write_info = aha152x_set_info,
.queuecommand = aha152x_queue,
.eh_abort_handler = aha152x_abort,
.eh_device_reset_handler = aha152x_device_reset,