svn commit: r229635 - stable/9/sys/kern

[John Baldwin]

Author: jhb
Date: Thu Jan  5 19:53:01 2012
New Revision: 229635
URL: http://svn.freebsd.org/changeset/base/229635

Log:
  MFC 228593:
  Fire a kevent if necessary after seeking on a regular file.  This fixes a
  case where a kevent would not fire on a regular file if an application read
  to EOF and then seeked backwards into the file.

Modified:
  stable/9/sys/kern/vfs_syscalls.c
Directory Properties:
  stable/9/sys/   (props changed)
  stable/9/sys/amd64/include/xen/   (props changed)
  stable/9/sys/boot/   (props changed)
  stable/9/sys/boot/i386/efi/   (props changed)
  stable/9/sys/boot/ia64/efi/   (props changed)
  stable/9/sys/boot/ia64/ski/   (props changed)
  stable/9/sys/boot/powerpc/boot1.chrp/   (props changed)
  stable/9/sys/boot/powerpc/ofw/   (props changed)
  stable/9/sys/cddl/contrib/opensolaris/   (props changed)
  stable/9/sys/conf/   (props changed)
  stable/9/sys/contrib/dev/acpica/   (props changed)
  stable/9/sys/contrib/octeon-sdk/   (props changed)
  stable/9/sys/contrib/pf/   (props changed)
  stable/9/sys/contrib/x86emu/   (props changed)

Modified: stable/9/sys/kern/vfs_syscalls.c
==============================================================================
--- stable/9/sys/kern/vfs_syscalls.c	Thu Jan  5 19:50:47 2012	(r229634)
+++ stable/9/sys/kern/vfs_syscalls.c	Thu Jan  5 19:53:01 2012	(r229635)
@@ -2047,6 +2047,7 @@ sys_lseek(td, uap)
 	if (error != 0)
 		goto drop;
 	fp->f_offset = offset;
+	VFS_KNOTE_UNLOCKED(vp, 0);
 	*(off_t *)(td->td_retval) = fp->f_offset;
 drop:
 	fdrop(fp, td);