Commit 5ceabb60 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 

Pull misc vfs updates from Al Viro:
 "Assorted stuff pile - no common topic here"

* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  whack-a-mole: don't open-code iminor/imajor
  9p: fix misuse of sscanf() in v9fs_stat2inode()
  audit_alloc_mark(): don't open-code ERR_CAST()
  fs/inode.c: make inode_init_always() initialize i_ino to 0
  vfs: don't unnecessarily clone write access for writable fds
parents 580cd773 6f24784f

Documentation/filesystems/porting.rst

+7 −0
Original line number Diff line number Diff line
@@ -883,3 +883,10 @@ For bvec based itererators bio_iov_iter_get_pages() now doesn't copy bvecs but 
uses the one provided. Anyone issuing kiocb-I/O should ensure that the bvec and

page references stay until I/O has completed, i.e. until ->ki_complete() has

been called or returned with non -EIOCBQUEUED code.



---



**mandatory**



mnt_want_write_file() can now only be paired with mnt_drop_write_file(),

whereas previously it could be paired with mnt_drop_write() as well.

arch/sh/boards/mach-landisk/gio.c

+2 −4
Original line number Diff line number Diff line
@@ -27,11 +27,10 @@ static int openCnt; 


static int gio_open(struct inode *inode, struct file *filp)

{

	int minor;

	int minor = iminor(inode);

	int ret = -ENOENT;



	preempt_disable();

	minor = MINOR(inode->i_rdev);

	if (minor < DEVCOUNT) {

		if (openCnt > 0) {

			ret = -EALREADY;
@@ -46,9 +45,8 @@ static int gio_open(struct inode *inode, struct file *filp) 


static int gio_close(struct inode *inode, struct file *filp)

{

	int minor;

	int minor = iminor(inode);



	minor = MINOR(inode->i_rdev);

	if (minor < DEVCOUNT) {

		openCnt--;

	}

drivers/block/loop.c

+1 −1
Original line number Diff line number Diff line
@@ -663,7 +663,7 @@ static inline int is_loop_device(struct file *file) 
{

	struct inode *i = file->f_mapping->host;



	return i && S_ISBLK(i->i_mode) && MAJOR(i->i_rdev) == LOOP_MAJOR;

	return i && S_ISBLK(i->i_mode) && imajor(i) == LOOP_MAJOR;

}



static int loop_validate_file(struct file *file, struct block_device *bdev)

drivers/dax/super.c

+1 −1
Original line number Diff line number Diff line
@@ -480,7 +480,7 @@ static void dax_free_inode(struct inode *inode) 
	kfree(dax_dev->host);

	dax_dev->host = NULL;

	if (inode->i_rdev)

		ida_simple_remove(&dax_minor_ida, MINOR(inode->i_rdev));

		ida_simple_remove(&dax_minor_ida, iminor(inode));

	kmem_cache_free(dax_cache, dax_dev);

}

drivers/rtc/rtc-m41t80.c

+2 −2
Original line number Diff line number Diff line
@@ -785,7 +785,7 @@ static long wdt_unlocked_ioctl(struct file *file, unsigned int cmd, 
 */

static int wdt_open(struct inode *inode, struct file *file)

{

	if (MINOR(inode->i_rdev) == WATCHDOG_MINOR) {

	if (iminor(inode) == WATCHDOG_MINOR) {

		mutex_lock(&m41t80_rtc_mutex);

		if (test_and_set_bit(0, &wdt_is_open)) {

			mutex_unlock(&m41t80_rtc_mutex);
@@ -809,7 +809,7 @@ static int wdt_open(struct inode *inode, struct file *file) 
 */

static int wdt_release(struct inode *inode, struct file *file)

{

	if (MINOR(inode->i_rdev) == WATCHDOG_MINOR)

	if (iminor(inode) == WATCHDOG_MINOR)

		clear_bit(0, &wdt_is_open);

	return 0;

}