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Date: Tue, 06 Apr 2010 19:52:45 +0100 From: David Howells <dhowells@...hat.com> To: Nick Piggin <npiggin@...e.de> Cc: dhowells@...hat.com, paulmck@...ux.vnet.ibm.com, corbet@....net, linux-kernel@...r.kernel.org, linux-cachefs@...hat.com Subject: Re: An incorrect assumption over radix_tree_tag_get() Nick Piggin <npiggin@...e.de> wrote: > It is safe. Synchronization requirements for using the radix tree API > are documented. I presume you mean the big comment on it in radix-tree.h. According to that, it is not safe: * - any function _modifying_ the tree or tags (inserting or deleting * items, setting or clearing tags) must exclude other modifications, and * exclude any functions reading the tree. David -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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