diff options
Diffstat (limited to 'fs/partitions/check.c')
-rw-r--r-- | fs/partitions/check.c | 48 |
1 files changed, 36 insertions, 12 deletions
diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 739da701ae7..03f808c5b79 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -18,6 +18,7 @@ #include <linux/fs.h> #include <linux/kmod.h> #include <linux/ctype.h> +#include <linux/genhd.h> #include "check.h" @@ -215,9 +216,25 @@ static ssize_t part_stat_show(struct device *dev, { struct hd_struct *p = dev_to_part(dev); - return sprintf(buf, "%8u %8llu %8u %8llu\n", - p->ios[0], (unsigned long long)p->sectors[0], - p->ios[1], (unsigned long long)p->sectors[1]); + preempt_disable(); + part_round_stats(p); + preempt_enable(); + return sprintf(buf, + "%8lu %8lu %8llu %8u " + "%8lu %8lu %8llu %8u " + "%8u %8u %8u" + "\n", + part_stat_read(p, ios[READ]), + part_stat_read(p, merges[READ]), + (unsigned long long)part_stat_read(p, sectors[READ]), + jiffies_to_msecs(part_stat_read(p, ticks[READ])), + part_stat_read(p, ios[WRITE]), + part_stat_read(p, merges[WRITE]), + (unsigned long long)part_stat_read(p, sectors[WRITE]), + jiffies_to_msecs(part_stat_read(p, ticks[WRITE])), + p->in_flight, + jiffies_to_msecs(part_stat_read(p, io_ticks)), + jiffies_to_msecs(part_stat_read(p, time_in_queue))); } #ifdef CONFIG_FAIL_MAKE_REQUEST @@ -273,6 +290,7 @@ static struct attribute_group *part_attr_groups[] = { static void part_release(struct device *dev) { struct hd_struct *p = dev_to_part(dev); + free_part_stats(p); kfree(p); } @@ -312,13 +330,20 @@ void delete_partition(struct gendisk *disk, int part) disk->part[part-1] = NULL; p->start_sect = 0; p->nr_sects = 0; - p->ios[0] = p->ios[1] = 0; - p->sectors[0] = p->sectors[1] = 0; + part_stat_set_all(p, 0); kobject_put(p->holder_dir); device_del(&p->dev); put_device(&p->dev); } +static ssize_t whole_disk_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return 0; +} +static DEVICE_ATTR(whole_disk, S_IRUSR | S_IRGRP | S_IROTH, + whole_disk_show, NULL); + void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len, int flags) { struct hd_struct *p; @@ -328,6 +353,10 @@ void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len, if (!p) return; + if (!init_part_stats(p)) { + kfree(p); + return; + } p->start_sect = start; p->nr_sects = len; p->partno = part; @@ -352,13 +381,8 @@ void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len, device_add(&p->dev); partition_sysfs_add_subdir(p); p->dev.uevent_suppress = 0; - if (flags & ADDPART_FLAG_WHOLEDISK) { - static struct attribute addpartattr = { - .name = "whole_disk", - .mode = S_IRUSR | S_IRGRP | S_IROTH, - }; - err = sysfs_create_file(&p->dev.kobj, &addpartattr); - } + if (flags & ADDPART_FLAG_WHOLEDISK) + err = device_create_file(&p->dev, &dev_attr_whole_disk); /* suppress uevent if the disk supresses it */ if (!disk->dev.uevent_suppress) |