CVS commit: src

["Juergen Hannken-Illjes" <hannken%netbsd.org@localhost>]

Module Name:    src
Committed By:   hannken
Date:           Fri Oct  5 09:51:56 UTC 2018

Modified Files:
        src/distrib/sets/lists/comp: mi
        src/share/man/man9: Makefile fstrans.9
        src/sys/dev: vnd.c
        src/sys/kern: vfs_trans.c
        src/sys/miscfs/genfs: genfs_vfsops.c
        src/sys/rump/librump/rumpkern: emul.c
        src/sys/sys: fstrans.h

Log Message:
Bring back three state file system suspension:

  NORMAL -> SUSPENDING -> SUSPENDED

and add operation fstrans_start_lazy() that only blocks while SUSPENDED.

Change vndthread() support operation handle_with_rdwr() to bracket
its file system operations by fstrans_start_lazy() and fstrans_done().

PR kern/53624 (dom0 freeze on domU exit)


To generate a diff of this commit:
cvs rdiff -u -r1.2232 -r1.2233 src/distrib/sets/lists/comp/mi
cvs rdiff -u -r1.430 -r1.431 src/share/man/man9/Makefile
cvs rdiff -u -r1.26 -r1.27 src/share/man/man9/fstrans.9
cvs rdiff -u -r1.265 -r1.266 src/sys/dev/vnd.c
cvs rdiff -u -r1.50 -r1.51 src/sys/kern/vfs_trans.c
cvs rdiff -u -r1.7 -r1.8 src/sys/miscfs/genfs/genfs_vfsops.c
cvs rdiff -u -r1.186 -r1.187 src/sys/rump/librump/rumpkern/emul.c
cvs rdiff -u -r1.11 -r1.12 src/sys/sys/fstrans.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.