ACK w/cmt: [PATCH][SRU][XENIAL] UBUNTU: SAUCE: (noup) Update zfs to 0.6.5.6-0ubuntu10

Colin Ian King colin.king at canonical.com
Thu Jun 23 12:12:27 UTC 2016


On 23/06/16 13:10, Tim Gardner wrote:
> On 06/23/2016 05:58 AM, Colin Ian King wrote:
>> On 23/06/16 12:42, Tim Gardner wrote:
>>> On 06/22/2016 07:40 AM, Colin King wrote:
>>>> From: Colin Ian King <colin.king at canonical.com>
>>>>
>>>> BugLink: http://bugs.launchpad.net/bugs/1594871
>>>>
>>>> Sync with the latest Xenial zfs-linux 0.6.5.6-0ubuntu10 
>>>>
>>>> Signed-off-by: Colin Ian King <colin.king at canonical.com>
>>>> ---
>>>>  zfs/META                                      |  2 +-
>>>>  zfs/module/zfs/spa_config.c                   |  5 +++--
>>>>  zfs/module/zfs/vdev_disk.c                    | 31 +++++++++++++++++++++------
>>>>  zfs/module/zfs/zfs_fm.c                       |  4 ++--
>>>>  zfs/module/zfs/zfs_ioctl.c                    |  5 ++++-
>>>>  zfs/rpm/redhat/zfs-dkms.spec.in               |  3 ++-
>>>>  zfs/rpm/redhat/zfs.spec.in                    |  3 ++-
>>>>  zfs/scripts/zpios-test/large-thread-survey.sh |  1 -
>>>>  zfs/scripts/zpios-test/large.sh               |  1 -
>>>>  zfs/scripts/zpios-test/medium.sh              |  1 -
>>>>  zfs/scripts/zpios-test/small.sh               |  1 -
>>>>  zfs/scripts/zpios-test/tiny.sh                |  1 -
>>>>  12 files changed, 39 insertions(+), 19 deletions(-)
>>>>  mode change 120000 => 100644 zfs/rpm/redhat/zfs-dkms.spec.in
>>>>  mode change 120000 => 100644 zfs/rpm/redhat/zfs.spec.in
>>>>  delete mode 120000 zfs/scripts/zpios-test/large-thread-survey.sh
>>>>  delete mode 120000 zfs/scripts/zpios-test/large.sh
>>>>  delete mode 120000 zfs/scripts/zpios-test/medium.sh
>>>>  delete mode 120000 zfs/scripts/zpios-test/small.sh
>>>>  delete mode 120000 zfs/scripts/zpios-test/tiny.sh
>>>>
>>>> diff --git a/zfs/META b/zfs/META
>>>> index 5a5c0a2..a0dbc97 100644
>>>> --- a/zfs/META
>>>> +++ b/zfs/META
>>>> @@ -2,7 +2,7 @@ Meta:         1
>>>>  Name:         zfs
>>>>  Branch:       1.0
>>>>  Version:      0.6.5.6
>>>> -Release:      0ubuntu3
>>>> +Release:      0ubuntu10
>>>>  Release-Tags: relext
>>>>  License:      CDDL
>>>>  Author:       OpenZFS on Linux
>>>> diff --git a/zfs/module/zfs/spa_config.c b/zfs/module/zfs/spa_config.c
>>>> index 929f181..19432e0 100644
>>>> --- a/zfs/module/zfs/spa_config.c
>>>> +++ b/zfs/module/zfs/spa_config.c
>>>> @@ -174,7 +174,7 @@ spa_config_write(spa_config_dirent_t *dp, nvlist_t *nvl)
>>>>  	VERIFY(nvlist_pack(nvl, &buf, &buflen, NV_ENCODE_XDR,
>>>>  	    KM_SLEEP) == 0);
>>>>  
>>>> -#ifdef __linux__
>>>> +#if defined(__linux__) && defined(_KERNEL)
>>>>  	/*
>>>>  	 * Write the configuration to disk.  Due to the complexity involved
>>>>  	 * in performing a rename from within the kernel the file is truncated
>>>> @@ -201,7 +201,8 @@ spa_config_write(spa_config_dirent_t *dp, nvlist_t *nvl)
>>>>  	 */
>>>>  	(void) snprintf(temp, MAXPATHLEN, "%s.tmp", dp->scd_path);
>>>>  
>>>> -	if (vn_open(temp, UIO_SYSSPACE, oflags, 0644, &vp, CRCREAT, 0) == 0) {
>>>> +	error = vn_open(temp, UIO_SYSSPACE, oflags, 0644, &vp, CRCREAT, 0);
>>>> +	if (error == 0) {
>>>>  		if (vn_rdwr(UIO_WRITE, vp, buf, buflen, 0, UIO_SYSSPACE,
>>>>  		    0, RLIM64_INFINITY, kcred, NULL) == 0 &&
>>>>  		    VOP_FSYNC(vp, FSYNC, kcred, NULL) == 0) {
>>>> diff --git a/zfs/module/zfs/vdev_disk.c b/zfs/module/zfs/vdev_disk.c
>>>> index ebf0e8b..9b51ecc 100644
>>>> --- a/zfs/module/zfs/vdev_disk.c
>>>> +++ b/zfs/module/zfs/vdev_disk.c
>>>> @@ -139,7 +139,7 @@ vdev_elevator_switch(vdev_t *v, char *elevator)
>>>>  		return (0);
>>>>  
>>>>  	/* Leave existing scheduler when set to "none" */
>>>> -	if (strncmp(elevator, "none", 4) && (strlen(elevator) == 4) == 0)
>>>> +	if ((strncmp(elevator, "none", 4) == 0) && (strlen(elevator) == 4))
>>>>  		return (0);
>>>>  
>>>>  #ifdef HAVE_ELEVATOR_CHANGE
>>>> @@ -244,12 +244,12 @@ vdev_disk_open(vdev_t *v, uint64_t *psize, uint64_t *max_psize,
>>>>  {
>>>>  	struct block_device *bdev = ERR_PTR(-ENXIO);
>>>>  	vdev_disk_t *vd;
>>>> -	int mode, block_size;
>>>> +	int count = 0, mode, block_size;
>>>>  
>>>>  	/* Must have a pathname and it must be absolute. */
>>>>  	if (v->vdev_path == NULL || v->vdev_path[0] != '/') {
>>>>  		v->vdev_stat.vs_aux = VDEV_AUX_BAD_LABEL;
>>>> -		return (EINVAL);
>>>> +		return (SET_ERROR(EINVAL));
>>>>  	}
>>>>  
>>>>  	/*
>>>> @@ -264,7 +264,7 @@ vdev_disk_open(vdev_t *v, uint64_t *psize, uint64_t *max_psize,
>>>>  
>>>>  	vd = kmem_zalloc(sizeof (vdev_disk_t), KM_SLEEP);
>>>>  	if (vd == NULL)
>>>> -		return (ENOMEM);
>>>> +		return (SET_ERROR(ENOMEM));
>>>>  
>>>>  	/*
>>>>  	 * Devices are always opened by the path provided at configuration
>>>> @@ -279,16 +279,35 @@ vdev_disk_open(vdev_t *v, uint64_t *psize, uint64_t *max_psize,
>>>>  	 * /dev/[hd]d devices which may be reordered due to probing order.
>>>>  	 * Devices in the wrong locations will be detected by the higher
>>>>  	 * level vdev validation.
>>>> +	 *
>>>> +	 * The specified paths may be briefly removed and recreated in
>>>> +	 * response to udev events.  This should be exceptionally unlikely
>>>> +	 * because the zpool command makes every effort to verify these paths
>>>> +	 * have already settled prior to reaching this point.  Therefore,
>>>> +	 * a ENOENT failure at this point is highly likely to be transient
>>>> +	 * and it is reasonable to sleep and retry before giving up.  In
>>>> +	 * practice delays have been observed to be on the order of 100ms.
>>>>  	 */
>>>>  	mode = spa_mode(v->vdev_spa);
>>>>  	if (v->vdev_wholedisk && v->vdev_expanding)
>>>>  		bdev = vdev_disk_rrpart(v->vdev_path, mode, vd);
>>>> -	if (IS_ERR(bdev))
>>>> +
>>>> +	while (IS_ERR(bdev) && count < 50) {
>>>>  		bdev = vdev_bdev_open(v->vdev_path,
>>>>  		    vdev_bdev_mode(mode), zfs_vdev_holder);
>>>> +		if (unlikely(PTR_ERR(bdev) == -ENOENT)) {
>>>> +			msleep(10);
>>>> +			count++;
>>>> +		} else if (IS_ERR(bdev)) {
>>>> +			break;
>>>> +		}
>>>> +	}
>>>> +
>>>>  	if (IS_ERR(bdev)) {
>>>> +		dprintf("failed open v->vdev_path=%s, error=%d count=%d\n",
>>>> +		    v->vdev_path, -PTR_ERR(bdev), count);
>>>>  		kmem_free(vd, sizeof (vdev_disk_t));
>>>> -		return (-PTR_ERR(bdev));
>>>> +		return (SET_ERROR(-PTR_ERR(bdev)));
>>>>  	}
>>>>  
>>>>  	v->vdev_tsd = vd;
>>>> diff --git a/zfs/module/zfs/zfs_fm.c b/zfs/module/zfs/zfs_fm.c
>>>> index 7e9c473..c7b7180 100644
>>>> --- a/zfs/module/zfs/zfs_fm.c
>>>> +++ b/zfs/module/zfs/zfs_fm.c
>>>> @@ -457,7 +457,8 @@ update_histogram(uint64_t value_arg, uint16_t *hist, uint32_t *count)
>>>>  	/* We store the bits in big-endian (largest-first) order */
>>>>  	for (i = 0; i < 64; i++) {
>>>>  		if (value & (1ull << i)) {
>>>> -			hist[63 - i]++;
>>>> +			if (hist[63 - i] < UINT16_MAX)
>>>> +				hist[63 - i]++;
>>>>  			++bits;
>>>>  		}
>>>>  	}
>>>> @@ -615,7 +616,6 @@ annotate_ecksum(nvlist_t *ereport, zio_bad_cksum_t *info,
>>>>  	if (badbuf == NULL || goodbuf == NULL)
>>>>  		return (eip);
>>>>  
>>>> -	ASSERT3U(nui64s, <=, UINT16_MAX);
>>>>  	ASSERT3U(size, ==, nui64s * sizeof (uint64_t));
>>>>  	ASSERT3U(size, <=, SPA_MAXBLOCKSIZE);
>>>>  	ASSERT3U(size, <=, UINT32_MAX);
>>>> diff --git a/zfs/module/zfs/zfs_ioctl.c b/zfs/module/zfs/zfs_ioctl.c
>>>> index 12d2750..745f713 100644
>>>> --- a/zfs/module/zfs/zfs_ioctl.c
>>>> +++ b/zfs/module/zfs/zfs_ioctl.c
>>>> @@ -5817,8 +5817,11 @@ zfsdev_ioctl(struct file *filp, unsigned cmd, unsigned long arg)
>>>>  	}
>>>>  
>>>>  
>>>> -	if (error == 0 && !(flag & FKIOCTL))
>>>> +	if (error == 0 && !(flag & FKIOCTL)) {
>>>> +		cookie = spl_fstrans_mark();
>>>>  		error = vec->zvec_secpolicy(zc, innvl, CRED());
>>>> +		spl_fstrans_unmark(cookie);
>>>> +	}
>>>>  
>>>>  	if (error != 0)
>>>>  		goto out;
>>>> diff --git a/zfs/rpm/redhat/zfs-dkms.spec.in b/zfs/rpm/redhat/zfs-dkms.spec.in
>>>> deleted file mode 120000
>>>> index ffa051b..0000000
>>>> --- a/zfs/rpm/redhat/zfs-dkms.spec.in
>>>> +++ /dev/null
>>>> @@ -1 +0,0 @@
>>>> -../generic/zfs-dkms.spec.in
>>>> \ No newline at end of file
>>>> diff --git a/zfs/rpm/redhat/zfs-dkms.spec.in b/zfs/rpm/redhat/zfs-dkms.spec.in
>>>> new file mode 100644
>>>> index 0000000..b3e8c13
>>>> --- /dev/null
>>>> +++ b/zfs/rpm/redhat/zfs-dkms.spec.in
>>>> @@ -0,0 +1,2 @@
>>>> +%:
>>>> +	#
>>>> diff --git a/zfs/rpm/redhat/zfs.spec.in b/zfs/rpm/redhat/zfs.spec.in
>>>> deleted file mode 120000
>>>> index 4c80791..0000000
>>>> --- a/zfs/rpm/redhat/zfs.spec.in
>>>> +++ /dev/null
>>>> @@ -1 +0,0 @@
>>>> -../generic/zfs.spec.in
>>>> \ No newline at end of file
>>>> diff --git a/zfs/rpm/redhat/zfs.spec.in b/zfs/rpm/redhat/zfs.spec.in
>>>> new file mode 100644
>>>> index 0000000..b3e8c13
>>>> --- /dev/null
>>>> +++ b/zfs/rpm/redhat/zfs.spec.in
>>>> @@ -0,0 +1,2 @@
>>>> +%:
>>>> +	#
>>>> diff --git a/zfs/scripts/zpios-test/large-thread-survey.sh b/zfs/scripts/zpios-test/large-thread-survey.sh
>>>> deleted file mode 120000
>>>> index 90b6e3c..0000000
>>>> --- a/zfs/scripts/zpios-test/large-thread-survey.sh
>>>> +++ /dev/null
>>>> @@ -1 +0,0 @@
>>>> -1x256th-65536rc-4rs-1cs-4off.sh
>>>> \ No newline at end of file
>>>> diff --git a/zfs/scripts/zpios-test/large.sh b/zfs/scripts/zpios-test/large.sh
>>>> deleted file mode 120000
>>>> index b8e22bf..0000000
>>>> --- a/zfs/scripts/zpios-test/large.sh
>>>> +++ /dev/null
>>>> @@ -1 +0,0 @@
>>>> -256th-65536rc-4rs-1cs-4off.sh
>>>> \ No newline at end of file
>>>> diff --git a/zfs/scripts/zpios-test/medium.sh b/zfs/scripts/zpios-test/medium.sh
>>>> deleted file mode 120000
>>>> index d81027b..0000000
>>>> --- a/zfs/scripts/zpios-test/medium.sh
>>>> +++ /dev/null
>>>> @@ -1 +0,0 @@
>>>> -16th-8192rc-4rs-1cs-4off.sh
>>>> \ No newline at end of file
>>>> diff --git a/zfs/scripts/zpios-test/small.sh b/zfs/scripts/zpios-test/small.sh
>>>> deleted file mode 120000
>>>> index cbf03b5c..0000000
>>>> --- a/zfs/scripts/zpios-test/small.sh
>>>> +++ /dev/null
>>>> @@ -1 +0,0 @@
>>>> -4th-1024rc-4rs-1cs-4off.sh
>>>> \ No newline at end of file
>>>> diff --git a/zfs/scripts/zpios-test/tiny.sh b/zfs/scripts/zpios-test/tiny.sh
>>>> deleted file mode 120000
>>>> index ba8b7cd..0000000
>>>> --- a/zfs/scripts/zpios-test/tiny.sh
>>>> +++ /dev/null
>>>> @@ -1 +0,0 @@
>>>> -1th-16rc-4rs-1cs-4off.sh
>>>> \ No newline at end of file
>>>>
>>>
>>> There are several commits from the upstream zfs repo listed in this bug.
>>> Which of them are being applied ? This patch doesn't look big enough for
>>> all of them. 
>> The kernel delta is small because a lot of the commits were on the
>> userspace tools.
>>
>>> Is there a way to separate them so as to be more reviewable ?
>>
>> Probably. I just used the script you wrote to do the sync; I presumed
>> that was our defacto way of doing the zfs delta syncing.
>>
> 
> And so it should be. I was thrown off by the touches to zfs/scripts and
> zfs/rpm. I imagine we can remove that part of the patch ?

If we remove that from this patch it will only show up next time we run
the sync script, ad-infinitum.

> 
> rtg
> 





More information about the kernel-team mailing list