diff options
| -rw-r--r-- | drivers/block/cpqarray.c | 63 |
1 files changed, 30 insertions, 33 deletions
diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c index b82d438e2607..6422651ec364 100644 --- a/drivers/block/cpqarray.c +++ b/drivers/block/cpqarray.c @@ -32,6 +32,7 @@ #include <linux/blkpg.h> #include <linux/timer.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> #include <linux/init.h> #include <linux/hdreg.h> #include <linux/spinlock.h> @@ -177,7 +178,6 @@ static int cpqarray_register_ctlr(int ctlr, struct pci_dev *pdev); #ifdef CONFIG_PROC_FS static void ida_procinit(int i); -static int ida_proc_get_info(char *buffer, char **start, off_t offset, int length, int *eof, void *data); #else static void ida_procinit(int i) {} #endif @@ -206,6 +206,7 @@ static const struct block_device_operations ida_fops = { #ifdef CONFIG_PROC_FS static struct proc_dir_entry *proc_array; +static const struct file_operations ida_proc_fops; /* * Get us a file in /proc/array that says something about each controller. @@ -218,19 +219,16 @@ static void __init ida_procinit(int i) if (!proc_array) return; } - create_proc_read_entry(hba[i]->devname, 0, proc_array, - ida_proc_get_info, hba[i]); + proc_create_data(hba[i]->devname, 0, proc_array, &ida_proc_fops, hba[i]); } /* * Report information about this controller. */ -static int ida_proc_get_info(char *buffer, char **start, off_t offset, int length, int *eof, void *data) +static int ida_proc_show(struct seq_file *m, void *v) { - off_t pos = 0; - off_t len = 0; - int size, i, ctlr; - ctlr_info_t *h = (ctlr_info_t*)data; + int i, ctlr; + ctlr_info_t *h = (ctlr_info_t*)m->private; drv_info_t *drv; #ifdef CPQ_PROC_PRINT_QUEUES cmdlist_t *c; @@ -238,7 +236,7 @@ static int ida_proc_get_info(char *buffer, char **start, off_t offset, int lengt #endif ctlr = h->ctlr; - size = sprintf(buffer, "%s: Compaq %s Controller\n" + seq_printf(m, "%s: Compaq %s Controller\n" " Board ID: 0x%08lx\n" " Firmware Revision: %c%c%c%c\n" " Controller Sig: 0x%08lx\n" @@ -258,55 +256,54 @@ static int ida_proc_get_info(char *buffer, char **start, off_t offset, int lengt h->log_drives, h->phys_drives, h->Qdepth, h->maxQsinceinit); - pos += size; len += size; - - size = sprintf(buffer+len, "Logical Drive Info:\n"); - pos += size; len += size; + seq_puts(m, "Logical Drive Info:\n"); for(i=0; i<h->log_drives; i++) { drv = &h->drv[i]; - size = sprintf(buffer+len, "ida/c%dd%d: blksz=%d nr_blks=%d\n", + seq_printf(m, "ida/c%dd%d: blksz=%d nr_blks=%d\n", ctlr, i, drv->blk_size, drv->nr_blks); - pos += size; len += size; } #ifdef CPQ_PROC_PRINT_QUEUES spin_lock_irqsave(IDA_LOCK(h->ctlr), flags); - size = sprintf(buffer+len, "\nCurrent Queues:\n"); - pos += size; len += size; + seq_puts(m, "\nCurrent Queues:\n"); c = h->reqQ; - size = sprintf(buffer+len, "reqQ = %p", c); pos += size; len += size; + seq_printf(m, "reqQ = %p", c); if (c) c=c->next; while(c && c != h->reqQ) { - size = sprintf(buffer+len, "->%p", c); - pos += size; len += size; + seq_printf(m, "->%p", c); c=c->next; } c = h->cmpQ; - size = sprintf(buffer+len, "\ncmpQ = %p", c); pos += size; len += size; + seq_printf(m, "\ncmpQ = %p", c); if (c) c=c->next; while(c && c != h->cmpQ) { - size = sprintf(buffer+len, "->%p", c); - pos += size; len += size; + seq_printf(m, "->%p", c); c=c->next; } - size = sprintf(buffer+len, "\n"); pos += size; len += size; + seq_putc(m, '\n'); spin_unlock_irqrestore(IDA_LOCK(h->ctlr), flags); #endif - size = sprintf(buffer+len, "nr_allocs = %d\nnr_frees = %d\n", + seq_printf(m, "nr_allocs = %d\nnr_frees = %d\n", h->nr_allocs, h->nr_frees); - pos += size; len += size; - - *eof = 1; - *start = buffer+offset; - len -= offset; - if (len>length) - len = length; - return len; + return 0; +} + +static int ida_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, ida_proc_show, PDE(inode)->data); } + +static const struct file_operations ida_proc_fops = { + .owner = THIS_MODULE, + .open = ida_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; #endif /* CONFIG_PROC_FS */ module_param_array(eisa, int, NULL, 0); |