linux/fs/splice.c
Linus Torvalds 7644c82319 pipe-nonblock-2023-05-06
-----BEGIN PGP SIGNATURE-----
 
 iQJEBAABCAAuFiEEwPw5LcreJtl1+l5K99NY+ylx4KYFAmRWK50QHGF4Ym9lQGtl
 cm5lbC5kawAKCRD301j7KXHgpkP8D/9PKQy4FCTRKRYABomlkqc9UlrsEzkkpXy+
 t2kCZ7OmgZ1go/3gRv8AVx0xC/S8zgs8vCwriUXVQH2Q4D2FnV9/Cy5xXzQJ2jE5
 sWdj5+Sks2Zerq7hRfItxFxP70Jlvn4r2Ud6n9uoBKI+DirpGQB5xwqCF/Z9I9Ev
 cAOtq3cvdKqiqAmrA0WAjjpLpvuC/OOEXyQf6n+viQ7iJZgCHDWplpa4jQCamrlJ
 wDz5eNkptDc3KnZ1QGtfMlCdmzwjFEyi20Eq8VLo6OBkhoP6FymqWC6YkeigibI4
 Da+fyx/wJvqnsuXPLCFgla5MXMRHLb9uoRRFbon6XqXABPZ8v4v8kZhswVLUxBzz
 UjBI8cmKQ8rkHu+4o/522lCRQCMU5h7LxGgCguePi9+Hap2AuBSmpOzpgDqnNDmN
 ARD6gW4uOkXRU6CgvppOio3hTn3BU9bUs8iN8ym3XW0eQo6nUElRT2mwC1XEJDYn
 HAM1MqoJWU5rWp1yyAdiw8rLBOmMLMyNaowHlWEjEGiykU2FlfNDp/HJeq/gxjEK
 NxBC5+qlhbDp3hTqDJVaRa+i8MchrTJLXfJuXzP3el3c1dp2vU5gLO49WYAA6G5d
 oycxTm2SyX6dUwWNeH06jgocVt99fC7klTuEq59Jm9ykFSfbj2kfv24U+jDi/KvX
 DW++jNDl+g==
 =uryD
 -----END PGP SIGNATURE-----

Merge tag 'pipe-nonblock-2023-05-06' of git://git.kernel.dk/linux

Pull nonblocking pipe io_uring support from Jens Axboe:
 "Here's the revised edition of the FMODE_NOWAIT support for pipes, in
  which we just flag it as such supporting FMODE_NOWAIT unconditionally,
  but clear it if we ever end up using splice/vmsplice on the pipe.

  The pipe read/write side is perfectly fine for nonblocking IO, however
  splice and vmsplice can potentially wait for IO with the pipe lock
  held"

* tag 'pipe-nonblock-2023-05-06' of git://git.kernel.dk/linux:
  pipe: set FMODE_NOWAIT on pipes
  splice: clear FMODE_NOWAIT on file if splice/vmsplice is used
2023-05-06 08:15:20 -07:00

1842 lines
42 KiB