From 366f7e7a79b19bd8c4e8f55fdf12b81538d1a7a4 Mon Sep 17 00:00:00 2001 From: "Luck, Tony" Date: Fri, 18 Mar 2011 15:33:43 -0700 Subject: pstore: use mount option instead sysfs to tweak kmsg_bytes /sys/fs is a somewhat strange way to tweak what could more obviously be tuned with a mount option. Suggested-by: Christoph Hellwig Signed-off-by: Tony Luck Signed-off-by: Linus Torvalds --- fs/pstore/platform.c | 16 +++------------- 1 file changed, 3 insertions(+), 13 deletions(-) (limited to 'fs/pstore/platform.c') diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c index 705fdf8abf6e..ce9ad84d5dd9 100644 --- a/fs/pstore/platform.c +++ b/fs/pstore/platform.c @@ -37,24 +37,14 @@ static DEFINE_SPINLOCK(pstore_lock); static struct pstore_info *psinfo; -/* How much of the console log to snapshot. /sys/fs/pstore/kmsg_bytes */ +/* How much of the console log to snapshot */ static unsigned long kmsg_bytes = 10240; -static ssize_t b_show(struct kobject *kobj, - struct kobj_attribute *attr, char *buf) +void pstore_set_kmsg_bytes(int bytes) { - return snprintf(buf, PAGE_SIZE, "%lu\n", kmsg_bytes); + kmsg_bytes = bytes; } -static ssize_t b_store(struct kobject *kobj, struct kobj_attribute *attr, - const char *buf, size_t count) -{ - return (sscanf(buf, "%lu", &kmsg_bytes) > 0) ? count : 0; -} - -struct kobj_attribute pstore_kmsg_bytes_attr = - __ATTR(kmsg_bytes, S_IRUGO | S_IWUSR, b_show, b_store); - /* Tag each group of saved records with a sequence number */ static int oopscount; -- cgit v1.2.1