Revision e0f3e6a7ccc002be056b6a21768fceee0d44941e authored by Linus Torvalds on 28 October 2016, 16:27:58 UTC, committed by Linus Torvalds on 28 October 2016, 16:27:58 UTC
Pull device mapper fixes from Mike Snitzer:

 - a couple DM raid and DM mirror fixes

 - a couple .request_fn request-based DM NULL pointer fixes

 - a fix for a DM target reference count leak, on target load error,
   that prevented associated DM target kernel module(s) from being
   removed

* tag 'dm-4.9-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm table: fix missing dm_put_target_type() in dm_table_add_target()
  dm rq: clear kworker_task if kthread_run() returned an error
  dm: free io_barrier after blk_cleanup_queue call
  dm raid: fix activation of existing raid4/10 devices
  dm mirror: use all available legs on multiple failures
  dm mirror: fix read error on recovery after default leg failure
  dm raid: fix compat_features validation
2 parent s 4393700 + dafa724
Raw File
do_mounts.h
#include <linux/kernel.h>
#include <linux/blkdev.h>
#include <linux/init.h>
#include <linux/syscalls.h>
#include <linux/unistd.h>
#include <linux/slab.h>
#include <linux/mount.h>
#include <linux/major.h>
#include <linux/root_dev.h>

void  change_floppy(char *fmt, ...);
void  mount_block_root(char *name, int flags);
void  mount_root(void);
extern int root_mountflags;

static inline int create_dev(char *name, dev_t dev)
{
	sys_unlink(name);
	return sys_mknod(name, S_IFBLK|0600, new_encode_dev(dev));
}

#if BITS_PER_LONG == 32
static inline u32 bstat(char *name)
{
	struct stat64 stat;
	if (sys_stat64(name, &stat) != 0)
		return 0;
	if (!S_ISBLK(stat.st_mode))
		return 0;
	if (stat.st_rdev != (u32)stat.st_rdev)
		return 0;
	return stat.st_rdev;
}
#else
static inline u32 bstat(char *name)
{
	struct stat stat;
	if (sys_newstat(name, &stat) != 0)
		return 0;
	if (!S_ISBLK(stat.st_mode))
		return 0;
	return stat.st_rdev;
}
#endif

#ifdef CONFIG_BLK_DEV_RAM

int __init rd_load_disk(int n);
int __init rd_load_image(char *from);

#else

static inline int rd_load_disk(int n) { return 0; }
static inline int rd_load_image(char *from) { return 0; }

#endif

#ifdef CONFIG_BLK_DEV_INITRD

bool __init initrd_load(void);

#else

static inline bool initrd_load(void) { return false; }

#endif

#ifdef CONFIG_BLK_DEV_MD

void md_run_setup(void);

#else

static inline void md_run_setup(void) {}

#endif
back to top