From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sat, 27 Feb 2021 16:07:12 +0000 (-0800)
Subject: Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
X-Git-Tag: iomap-folio-5.17-old~1906
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=5ceabb6078b80a8544ba86d6ee523ad755ae6d5e;p=users%2Fwilly%2Flinux.git

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
---

5ceabb6078b80a8544ba86d6ee523ad755ae6d5e
diff --cc Documentation/filesystems/porting.rst
index 633610253f45,6a6d3e673b48..0302035781be
--- a/Documentation/filesystems/porting.rst
+++ b/Documentation/filesystems/porting.rst
@@@ -872,14 -870,5 +872,21 @@@ its result is kern_unmount() or kern_un
  
  **mandatory**
  
 +zero-length bvec segments are disallowed, they must be filtered out before
 +passed on to an iterator.
 +
 +---
 +
 +**mandatory**
 +
 +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.