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CVS commit: src/sys/kern

Module Name:    src
Committed By:   hannken
Date:           Tue Jun 15 09:43:37 UTC 2010

Modified Files:
        src/sys/kern: vfs_syscalls.c

Log Message:
When mounting a file system re-lookup and lock the directory we mount on
after the file system is setup by VFS_MOUNT().  This way recursive vnode
locks are no longer needed here and mounts on null mounts no longer fail
as described in PR #43439 (mount_null panic: lockdebug_wantlock: locking
against myself).

Based on a proposal from  and
Reviewed by: David A. Holland <>

To generate a diff of this commit:
cvs rdiff -u -r1.404 -r1.405 src/sys/kern/vfs_syscalls.c

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

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