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Restore the td_cookie value for the tmpfs directory entry which was a

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dup entry, upon detach from the parent directory.  If the node is
renamed, the entry is re-attached at the different directory, and
invalud cookie value triggers assert (or corrupts directory rb tree,
it seems).

Reported by:	clusteradm (gjb, antoine)
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
This commit is contained in:
Konstantin Belousov 2015-06-19 07:25:15 +00:00
parent bc97daa07e
commit 8551285097
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=284594
1 changed files with 1 additions and 0 deletions
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sys/fs/tmpfs/tmpfs_subr.c
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@ -1031,6 +1031,7 @@ tmpfs_dir_detach(struct vnode *vp, struct tmpfs_dirent *de)
tmpfs_free_dirent(tmp, xde);
}
}
de->td_cookie = de->td_hash;
} else
RB_REMOVE(tmpfs_dir, head, de);