src-test2/sys/fs/nullfs, branch releng/6.3 FreeBSD source tree https://cgit-dev.freebsd.org/src-test2/atom?h=releng%2F6.3 2007-10-23T03:38:32Z MFC: 2007-10-23T03:38:32Z Daichi GOTO daichi@FreeBSD.org 2007-10-23T03:38:32Z urn:sha1:a8e29b65d6255e6b0c2cd3c663421119ad8ccf65 This changes give nullfs correctly work with latest unionfs. Submitted by: Masanori Ozawa <ozawa@ongs.co.jp> (unionfs developer) Reviewed by: jeff, kensmith Approved by: re (kensmith) MFC: Use mount interlock to protect all changes to mnt_flag and 2006-10-09T19:47:17Z Tor Egge tegge@FreeBSD.org 2006-10-09T19:47:17Z urn:sha1:64167e8471f78ca28c5bc03873dc3ead87ebace7 mnt_kern_flag. This eliminates a race where MNT_UPDATE flag could be lost when nmount() raced against sync(), sync_fsync() or quotactl(). Approved by: re (kensmith) MFC: 1.78, 1.79 2006-06-17T18:17:26Z Craig Rodrigues rodrigc@FreeBSD.org 2006-06-17T18:17:26Z urn:sha1:27fbed3c425c050c731db24d926fc9f304c1a9ea Remove incorrect null_checkexp() routine. This will allow the NFS server to call vfs_stdcheckexp() on the exported nullfs filesystem, not the underlying filesystem being nullfs mounted. If the lower filesystem was not NFS exported, then the NFS exported null filesystem would not work. Modify MNT_UPDATE behavior for nullfs so that it does not return EOPNOTSUPP if an "export" parameter was passed in. This should allow nullfs mounts to be NFS exported. PR: kern/87906 MFC Revs 1.91, 1.90 2006-03-13T03:05:26Z Jeff Roberson jeff@FreeBSD.org 2006-03-13T03:05:26Z urn:sha1:9ac366de1fc27ba200290aa37c1bbd2519d75426 VFS SMP fixes, stack api, softupdates fixes. Sponsored by: Isilon Systems, Inc. Approved by: re (scottl) MFC Revs 1.77, 1.76, 1.73 2006-03-13T03:05:21Z Jeff Roberson jeff@FreeBSD.org 2006-03-13T03:05:21Z urn:sha1:f3ce2a58865d44aa4597c374a2159ea7a3983492 VFS SMP fixes, stack api, softupdates fixes. Sponsored by: Isilon Systems, Inc. Approved by: re (scottl) MFC Rev 1.50 2006-03-13T03:05:17Z Jeff Roberson jeff@FreeBSD.org 2006-03-13T03:05:17Z urn:sha1:478d0144974abde78d74e2aef2d9347c7943d062 VFS SMP fixes, stack api, softupdates fixes. Sponsored by: Isilon Systems, Inc. Approved by: re (scottl) MFC: Correctly set the MPSAFE flag based on the lower vnode's mount. 2006-02-14T23:15:16Z John Baldwin jhb@FreeBSD.org 2006-02-14T23:15:16Z urn:sha1:b20640bd1204e263852166143177085f849ee1d1 Approved by: re (scottl) MFC 1.73: 2005-10-25T20:33:31Z Kris Kennaway kris@FreeBSD.org 2005-10-25T20:33:31Z urn:sha1:e5d56137451c8c5884404de13b0ec8be7bdba822 Reflect mpsafety of the underlying filesystem in the nullfs image. Approved by: re (scottl) Oops, actually MFC 1.89 (by kan) which was missed in previous commit: 2005-09-17T15:51:41Z Xin LI delphij@FreeBSD.org 2005-09-17T15:51:41Z urn:sha1:b79b245e54e5edc658898b1ed462d5502d376ef2 Handle a race condition where NULLFS vnode can be cleaned while threads can still be asleep waiting for lowervp lock. Tested by: kkenn Discussed with: ssouhlal, jeffr (this is an early MFC for inclusion in the upcoming 6.0-BETA5) Approved by: re (scottl) MFC 1.88 (by ssouhlal): 2005-09-17T15:48:05Z Xin LI delphij@FreeBSD.org 2005-09-17T15:48:05Z urn:sha1:4977dd0d18ccb0ba43ac880d1e624a93262a2a36 Use vput() instead of vrele() in null_reclaim() since the lower vnode is locked. MFC 1.89 (by kan): Handle a race condition where NULLFS vnode can be cleaned while threads can still be asleep waiting for lowervp lock. Tested by: kkenn Discussed with: ssouhlal, jeffr (rev. 1.89 is an early MFC for inclusion in the upcoming 6.0-BETA5) Approved by: re (scottl)