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

Tim Gardner tim.gardner at canonical.com
Thu Jun 23 11:42:26 UTC 2016


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. Is there a way to separate them so as to be more reviewable ?

rtg
-- 
Tim Gardner tim.gardner at canonical.com




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