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Tue, 08 Dec 2020 02:39:53 -0500 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-483-N6fTKGRaM5qu1uQmx2KlCg-1; Tue, 08 Dec 2020 02:39:48 -0500 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 968D68014C1 for ; Tue, 8 Dec 2020 07:39:47 +0000 (UTC) Received: from lacos-laptop-7.usersys.redhat.com (ovpn-112-194.ams2.redhat.com [10.36.112.194]) by smtp.corp.redhat.com (Postfix) with ESMTP id AF67710016DB; Tue, 8 Dec 2020 07:39:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1607413190; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=7u3rJWN1zJpyEPN6bZp5h775XSvBd8X32HlLtMftlKc=; b=L1Xq6U2HU6yNd43nThHhweaX3r2xgy1nVWZI0++xcRfYP9zDRICf1OT+XuaGnS1D8QDc3A OQGEX1tWwgEA9J3afg6eDh15I6bBAX1ZgsoQ5k7ulpPMiAf2j1lVa+PUYP4T6pb95FQtjk AWcZlcx+uvn/oXPjrO+aqWzePiPBWgc= X-MC-Unique: N6fTKGRaM5qu1uQmx2KlCg-1 From: Laszlo Ersek To: qemu-devel@nongnu.org, virtio-fs@redhat.com Subject: [PATCH] virtiofsd: update FUSE_FORGET comment on "lo_inode.nlookup" Date: Tue, 8 Dec 2020 08:39:36 +0100 Message-Id: <20201208073936.8629-1-lersek@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=lersek@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=216.205.24.124; envelope-from=lersek@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -3 X-Spam_score: -0.4 X-Spam_bar: / X-Spam_report: (-0.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MIME_BASE64_TEXT=1.741, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Miklos Szeredi , "Dr. David Alan Gilbert" , Stefan Hajnoczi Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Miklos confirms it's *only* the FUSE_FORGET request that the client can use for decrementing "lo_inode.nlookup". Cc: "Dr. David Alan Gilbert" Cc: Miklos Szeredi Cc: Stefan Hajnoczi Fixes: 1222f015558fc34cea02aa3a5a92de608c82cec8 Signed-off-by: Laszlo Ersek Reviewed-by: Vivek Goyal --- tools/virtiofsd/passthrough_ll.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough= _ll.c index 06543b20dcbb..d3be680e92c3 100644 --- a/tools/virtiofsd/passthrough_ll.c +++ b/tools/virtiofsd/passthrough_ll.c @@ -113,7 +113,7 @@ struct lo_inode { * This counter keeps the inode alive during the FUSE session. * Incremented when the FUSE inode number is sent in a reply * (FUSE_LOOKUP, FUSE_READDIRPLUS, etc). Decremented when an inode is - * released by requests like FUSE_FORGET, FUSE_RMDIR, FUSE_RENAME, etc. + * released by a FUSE_FORGET request. * * Note that this value is untrusted because the client can manipulate * it arbitrarily using FUSE_FORGET requests. --=20 2.19.1.3.g30247aa5d201