https://github.com/torvalds/linux
Revision d61fa8cbf3da85ffca6620f261354941c126ee23 authored by Dave Chinner on 19 November 2018, 21:31:07 UTC, committed by Darrick J. Wong on 20 November 2018, 18:35:05 UTC
Useless: xfs_buf_get_uncached: dev 253:32 bno 0xffffffffffffffff nblks 0x1 ... xfs_buf_unlock: dev 253:32 bno 0xffffffffffffffff nblks 0x1 ... xfs_buf_submit: dev 253:32 bno 0xffffffffffffffff nblks 0x1 ... xfs_buf_hold: dev 253:32 bno 0xffffffffffffffff nblks 0x1 ... xfs_buf_iowait: dev 253:32 bno 0xffffffffffffffff nblks 0x1 ... xfs_buf_iodone: dev 253:32 bno 0xffffffffffffffff nblks 0x1 ... xfs_buf_iowait_done: dev 253:32 bno 0xffffffffffffffff nblks 0x1 ... xfs_buf_rele: dev 253:32 bno 0xffffffffffffffff nblks 0x1 ... Useful: xfs_buf_get_uncached: dev 253:32 bno 0xffffffffffffffff nblks 0x1 ... xfs_buf_unlock: dev 253:32 bno 0xffffffffffffffff nblks 0x1 ... xfs_buf_submit: dev 253:32 bno 0x200b5 nblks 0x1 ... xfs_buf_hold: dev 253:32 bno 0x200b5 nblks 0x1 ... xfs_buf_iowait: dev 253:32 bno 0x200b5 nblks 0x1 ... xfs_buf_iodone: dev 253:32 bno 0x200b5 nblks 0x1 ... xfs_buf_iowait_done: dev 253:32 bno 0x200b5 nblks 0x1 ... xfs_buf_rele: dev 253:32 bno 0x200b5 nblks 0x1 ... Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
1 parent da034bc
Tip revision: d61fa8cbf3da85ffca6620f261354941c126ee23 authored by Dave Chinner on 19 November 2018, 21:31:07 UTC
xfs: uncached buffer tracing needs to print bno
xfs: uncached buffer tracing needs to print bno
Tip revision: d61fa8c
memory-notifier-error-inject.c
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/memory.h>
#include "notifier-error-inject.h"
static int priority;
module_param(priority, int, 0);
MODULE_PARM_DESC(priority, "specify memory notifier priority");
static struct notifier_err_inject memory_notifier_err_inject = {
.actions = {
{ NOTIFIER_ERR_INJECT_ACTION(MEM_GOING_ONLINE) },
{ NOTIFIER_ERR_INJECT_ACTION(MEM_GOING_OFFLINE) },
{}
}
};
static struct dentry *dir;
static int err_inject_init(void)
{
int err;
dir = notifier_err_inject_init("memory", notifier_err_inject_dir,
&memory_notifier_err_inject, priority);
if (IS_ERR(dir))
return PTR_ERR(dir);
err = register_memory_notifier(&memory_notifier_err_inject.nb);
if (err)
debugfs_remove_recursive(dir);
return err;
}
static void err_inject_exit(void)
{
unregister_memory_notifier(&memory_notifier_err_inject.nb);
debugfs_remove_recursive(dir);
}
module_init(err_inject_init);
module_exit(err_inject_exit);
MODULE_DESCRIPTION("memory notifier error injection module");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Akinobu Mita <akinobu.mita@gmail.com>");
Computing file changes ...
