From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: [PATCH 06/20] nfsd: add fh_fsid_match helper Date: Thu, 22 Jan 2015 12:09:52 +0100 Message-ID: <1421925006-24231-7-git-send-email-hch@lst.de> References: <1421925006-24231-1-git-send-email-hch@lst.de> Cc: Jeff Layton , linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, xfs-VZNHf3L845pBDgjK7y7TUQ@public.gmane.org To: "J. Bruce Fields" Return-path: In-Reply-To: <1421925006-24231-1-git-send-email-hch-jcswGhMUV9g@public.gmane.org> Sender: linux-nfs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org 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 -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html