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CVS commit: src/sys/kern
Module Name: src
Committed By: yamt
Date: Fri Dec 17 22:34:04 UTC 2010
- lookup_once: when crossing a mount point, don't keep the parent vnode locked.
ie. don't lock a vnode while holding another vnode which belongs to a
different filesystem. otherwise we propagate slowness (or deadness) of a
filesystem to another via vnode lock chain.
- lookup_parsepath: don't alter vnode states. let the caller do it instead.
- add comments and assertions.
To generate a diff of this commit:
cvs rdiff -u -r1.125 -r1.126 src/sys/kern/vfs_lookup.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
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