diff options
Diffstat (limited to 'block/genhd.c')
| -rw-r--r-- | block/genhd.c | 40 |
1 files changed, 36 insertions, 4 deletions
diff --git a/block/genhd.c b/block/genhd.c index 4cd3433c99a..4e5e7493f67 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -10,6 +10,7 @@ #include <linux/blkdev.h> #include <linux/init.h> #include <linux/spinlock.h> +#include <linux/proc_fs.h> #include <linux/seq_file.h> #include <linux/slab.h> #include <linux/kmod.h> @@ -358,7 +359,6 @@ static int blk_mangle_minor(int minor) /** * blk_alloc_devt - allocate a dev_t for a partition * @part: partition to allocate dev_t for - * @gfp_mask: memory allocation flag * @devt: out parameter for resulting dev_t * * Allocate a dev_t for block device. @@ -535,7 +535,7 @@ void unlink_gendisk(struct gendisk *disk) /** * get_gendisk - get partitioning information for a given device * @devt: device to get partitioning information for - * @part: returned partition index + * @partno: returned partition index * * This function gets the structure containing partitioning * information for the given device @devt. @@ -728,12 +728,24 @@ static int show_partition(struct seq_file *seqf, void *v) return 0; } -const struct seq_operations partitions_op = { +static const struct seq_operations partitions_op = { .start = show_partition_start, .next = disk_seqf_next, .stop = disk_seqf_stop, .show = show_partition }; + +static int partitions_open(struct inode *inode, struct file *file) +{ + return seq_open(file, &partitions_op); +} + +static const struct file_operations proc_partitions_operations = { + .open = partitions_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release, +}; #endif @@ -993,12 +1005,32 @@ static int diskstats_show(struct seq_file *seqf, void *v) return 0; } -const struct seq_operations diskstats_op = { +static const struct seq_operations diskstats_op = { .start = disk_seqf_start, .next = disk_seqf_next, .stop = disk_seqf_stop, .show = diskstats_show }; + +static int diskstats_open(struct inode *inode, struct file *file) +{ + return seq_open(file, &diskstats_op); +} + +static const struct file_operations proc_diskstats_operations = { + .open = diskstats_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release, +}; + +static int __init proc_genhd_init(void) +{ + proc_create("diskstats", 0, NULL, &proc_diskstats_operations); + proc_create("partitions", 0, NULL, &proc_partitions_operations); + return 0; +} +module_init(proc_genhd_init); #endif /* CONFIG_PROC_FS */ static void media_change_notify_thread(struct work_struct *work) |