From: Christoph Hellwig <hch@lst.de>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Amir Goldstein <amir73il@gmail.com>,
linux-fsdevel@vger.kernel.org
Cc: Shaohua Li <shli@kernel.org>,
Dan Williams <dan.j.williams@intel.com>,
David Howells <dhowells@redhat.com>,
Steven Whitehouse <swhiteho@redhat.com>,
Mimi Zohar <zohar@linux.vnet.ibm.com>,
linux-xfs@vger.kernel.org, linux-raid@vger.kernel.org,
linux-nvdimm@lists.01.org, linux-kernel@vger.kernel.org
Subject: [PATCH 08/16] xfs: remove uuid_getnodeuniq and xfs_uu_t
Date: Wed, 10 May 2017 20:02:06 +0200 [thread overview]
Message-ID: <20170510180214.16852-9-hch@lst.de> (raw)
In-Reply-To: <20170510180214.16852-1-hch@lst.de>
Directly use the v1 intepretation of uuid_t instead.
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
fs/xfs/uuid.c | 25 -------------------------
fs/xfs/uuid.h | 1 -
fs/xfs/xfs_mount.c | 6 +++++-
3 files changed, 5 insertions(+), 27 deletions(-)
diff --git a/fs/xfs/uuid.c b/fs/xfs/uuid.c
index b83f76b6d410..937deaf2128d 100644
--- a/fs/xfs/uuid.c
+++ b/fs/xfs/uuid.c
@@ -17,31 +17,6 @@
*/
#include <xfs.h>
-/* IRIX interpretation of an uuid_t */
-typedef struct {
- __be32 uu_timelow;
- __be16 uu_timemid;
- __be16 uu_timehi;
- __be16 uu_clockseq;
- __be16 uu_node[3];
-} xfs_uu_t;
-
-/*
- * uuid_getnodeuniq - obtain the node unique fields of a UUID.
- *
- * This is not in any way a standard or condoned UUID function;
- * it just something that's needed for user-level file handles.
- */
-void
-uuid_getnodeuniq(uuid_t *uuid, int fsid [2])
-{
- xfs_uu_t *uup = (xfs_uu_t *)uuid;
-
- fsid[0] = (be16_to_cpu(uup->uu_clockseq) << 16) |
- be16_to_cpu(uup->uu_timemid);
- fsid[1] = be32_to_cpu(uup->uu_timelow);
-}
-
int
uuid_is_nil(uuid_t *uuid)
{
diff --git a/fs/xfs/uuid.h b/fs/xfs/uuid.h
index 4f1441ba4fa5..65b5cebf2f99 100644
--- a/fs/xfs/uuid.h
+++ b/fs/xfs/uuid.h
@@ -20,7 +20,6 @@
extern int uuid_is_nil(uuid_t *uuid);
extern int uuid_equal(uuid_t *uuid1, uuid_t *uuid2);
-extern void uuid_getnodeuniq(uuid_t *uuid, int fsid [2]);
static inline void
uuid_copy(uuid_t *dst, uuid_t *src)
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 2eaf81859166..742e4a61c0bc 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -793,7 +793,11 @@ xfs_mountfs(
* Copies the low order bits of the timestamp and the randomly
* set "sequence" number out of a UUID.
*/
- uuid_getnodeuniq(&sbp->sb_uuid, mp->m_fixedfsid);
+ mp->m_fixedfsid[0] =
+ ((u32)sbp->sb_uuid.v1.clock_seq_hi_and_reserved << 24) |
+ ((u32)sbp->sb_uuid.v1.clock_seq_low << 16) |
+ be16_to_cpu(sbp->sb_uuid.v1.time_mid);
+ mp->m_fixedfsid[1] = be32_to_cpu(sbp->sb_uuid.v1.time_low);
mp->m_dmevmask = 0; /* not persistent; set after each mount */
--
2.11.0
next prev parent reply other threads:[~2017-05-10 18:02 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-10 18:01 cleanup UUID types Christoph Hellwig
2017-05-10 18:01 ` [PATCH 01/16] xfs: use uuid_copy() helper to abstract uuid_t Christoph Hellwig
2017-05-10 18:02 ` [PATCH 02/16] xfs: use uuid_be to implement the uuid_t type Christoph Hellwig
2017-05-10 18:02 ` [PATCH 03/16] uuid: rename uuid types Christoph Hellwig
2017-05-10 19:15 ` Amir Goldstein
2017-05-11 7:59 ` Christoph Hellwig
2017-05-11 8:31 ` Amir Goldstein
2017-05-10 18:02 ` [PATCH 04/16] uuid: don't export guid_index and uuid_index Christoph Hellwig
2017-05-10 18:02 ` [PATCH 05/16] uuid: add the v1 layout to uuid_t Christoph Hellwig
2017-05-11 11:40 ` Andy Shevchenko
2017-05-11 12:07 ` Christoph Hellwig
2017-05-10 18:02 ` [PATCH 06/16] afs: switch to use uuid_t and uuid_gen Christoph Hellwig
2017-05-10 18:02 ` [PATCH 07/16] uuid: remove struct uuid_v1 Christoph Hellwig
2017-05-10 18:02 ` Christoph Hellwig [this message]
2017-05-10 18:02 ` [PATCH 09/16] md: namespace private helper names Christoph Hellwig
2017-05-10 18:02 ` [PATCH 10/16] uuid: hoist helpers uuid_equal() and uuid_copy() from xfs Christoph Hellwig
2017-05-10 18:02 ` [PATCH 11/16] uuid: hoist uuid_is_null() helper from libnvdimm Christoph Hellwig
2017-05-10 18:02 ` [PATCH 12/16] xfs: use the common helper uuid_is_null() Christoph Hellwig
2017-05-10 18:02 ` [PATCH 13/16] block: remove blk_part_pack_uuid Christoph Hellwig
2017-05-10 18:02 ` [PATCH 14/16] " Christoph Hellwig
2017-05-10 18:09 ` Christoph Hellwig
2017-05-10 18:02 ` [PATCH 15/16] ima/policy: switch to use uuid_t Christoph Hellwig
2017-05-10 18:02 ` [PATCH 16/16] fs: switch ->s_uuid to uuid_t Christoph Hellwig
2017-05-10 19:08 ` Amir Goldstein
2017-05-11 7:58 ` Christoph Hellwig
2017-05-10 18:20 ` [PATCH 03/16] uuid: rename uuid types David Howells
2017-05-11 11:38 ` Andy Shevchenko
2017-05-10 18:21 ` [PATCH 05/16] uuid: add the v1 layout to uuid_t David Howells
2017-05-10 18:22 ` [PATCH 06/16] afs: switch to use uuid_t and uuid_gen David Howells
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