From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: [PATCH 05/18] nfsd: add fh_fsid_match helper Date: Tue, 6 Jan 2015 17:28:28 +0100 Message-ID: <1420561721-9150-6-git-send-email-hch@lst.de> References: <1420561721-9150-1-git-send-email-hch@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, Jeff Layton , xfs@oss.sgi.com To: "J. Bruce Fields" Return-path: In-Reply-To: <1420561721-9150-1-git-send-email-hch@lst.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com List-Id: linux-fsdevel.vger.kernel.org Add a helper to check that the fsid parts of two file handles match. Signed-off-by: Christoph Hellwig --- fs/nfsd/nfsfh.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/fs/nfsd/nfsfh.h b/fs/nfsd/nfsfh.h index e24d954..84cae20 100644 --- a/fs/nfsd/nfsfh.h +++ b/fs/nfsd/nfsfh.h @@ -196,6 +196,15 @@ static inline bool fh_match(struct knfsd_fh *fh1, struct knfsd_fh *fh2) return true; } +static inline bool fh_fsid_match(struct knfsd_fh *fh1, struct knfsd_fh *fh2) +{ + if (fh1->fh_fsid_type != fh2->fh_fsid_type) + return false; + if (memcmp(fh1->fh_fsid, fh2->fh_fsid, key_len(fh1->fh_fsid_type) != 0)) + return false; + return true; +} + #ifdef CONFIG_NFSD_V3 /* * The wcc data stored in current_fh should be cleared -- 1.9.1 _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs