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Merge branch 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs into for-5.12/io_uring

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Merge RESOLVE_CACHED bits from Al, as the io_uring changes will build on
top of that.

* 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  fs: expose LOOKUP_CACHED through openat2() RESOLVE_CACHED
  fs: add support for LOOKUP_CACHED
  saner calling conventions for unlazy_child()
  fs: make unlazy_walk() error handling consistent
  fs/namei.c: Remove unlikely of status being -ECHILD in lookup_fast()
  do_tmpfile(): don't mess with finish_open()
This commit is contained in:
Jens Axboe 2021-02-01 10:02:28 -07:00
commit b2d86c7cec
5 changed files with 55 additions and 46 deletions
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4
include/uapi/linux/openat2.h
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@ -35,5 +35,9 @@ struct open_how {
#define RESOLVE_IN_ROOT 0x10 /* Make all jumps to "/" and ".."
be scoped inside the dirfd
(similar to chroot(2)). */
#define RESOLVE_CACHED 0x20 /* Only complete if resolution can be
completed through cached lookup. May
return -EAGAIN if that's not
possible. */
#endif /* _UAPI_LINUX_OPENAT2_H */