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author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2009-04-02 23:22:11 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-04-02 23:22:11 +0100 |
commit | cd02938a828f4b2098a074afb7454f106f2e8df5 (patch) | |
tree | 7b543fd6aa82a62dc3a9614c26f89daca83e77d5 /fs/proc/uptime.c | |
parent | 9d681f3a1b27fdfc17ea251cf8d5f627dab34670 (diff) | |
parent | 172ef275444efa12d834fb9d1b1acdac92db47f7 (diff) |
Merge branch 'smsc911x-armplatforms' of git://github.com/steveglen/linux-2.6
Diffstat (limited to 'fs/proc/uptime.c')
-rw-r--r-- | fs/proc/uptime.c | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/fs/proc/uptime.c b/fs/proc/uptime.c index df26aa88fa47..0c10a0b3f146 100644 --- a/fs/proc/uptime.c +++ b/fs/proc/uptime.c @@ -1,45 +1,43 @@ +#include <linux/fs.h> #include <linux/init.h> #include <linux/proc_fs.h> #include <linux/sched.h> +#include <linux/seq_file.h> #include <linux/time.h> #include <asm/cputime.h> -static int proc_calc_metrics(char *page, char **start, off_t off, - int count, int *eof, int len) -{ - if (len <= off + count) - *eof = 1; - *start = page + off; - len -= off; - if (len > count) - len = count; - if (len < 0) - len = 0; - return len; -} - -static int uptime_read_proc(char *page, char **start, off_t off, int count, - int *eof, void *data) +static int uptime_proc_show(struct seq_file *m, void *v) { struct timespec uptime; struct timespec idle; - int len; cputime_t idletime = cputime_add(init_task.utime, init_task.stime); do_posix_clock_monotonic_gettime(&uptime); monotonic_to_bootbased(&uptime); cputime_to_timespec(idletime, &idle); - len = sprintf(page, "%lu.%02lu %lu.%02lu\n", + seq_printf(m, "%lu.%02lu %lu.%02lu\n", (unsigned long) uptime.tv_sec, (uptime.tv_nsec / (NSEC_PER_SEC / 100)), (unsigned long) idle.tv_sec, (idle.tv_nsec / (NSEC_PER_SEC / 100))); - return proc_calc_metrics(page, start, off, count, eof, len); + return 0; } +static int uptime_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, uptime_proc_show, NULL); +} + +static const struct file_operations uptime_proc_fops = { + .open = uptime_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + static int __init proc_uptime_init(void) { - create_proc_read_entry("uptime", 0, NULL, uptime_read_proc, NULL); + proc_create("uptime", 0, NULL, &uptime_proc_fops); return 0; } module_init(proc_uptime_init); |