Accepting request 823586 from home:dsterba:branches:filesystems
- update to version 0.5 OBS-URL: https://build.opensuse.org/request/show/823586 OBS-URL: https://build.opensuse.org/package/show/filesystems/btrfsmaintenance?expand=0&rev=49
This commit is contained in:
David Sterba
Git OBS Bridge
parent
38dcd84256
commit
d9f18dc807
@ -1,37 +0,0 @@
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From 3e8ae32c961f0a3a6ba32881e88a49d5cbf656cd Mon Sep 17 00:00:00 2001
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From: Jeff Mahoney <jeffm@suse.com>
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Date: Fri, 11 Jan 2019 09:57:48 -0500
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Subject: README: document impact of balance + quota groups
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References: fate#325529 jsc#SLE-3188
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The combination of balance and quota groups as the number of references
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to extents rises (either via snapshots, dedupe, or reflink copies) can
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be extreme.
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The file system performs quota group accounting for every extent relocated
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and the result can be the appearance of stalled system as the
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transaction commit can take a very long time.
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Signed-off-by: Jeff Mahoney <jeffm@suse.com>
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---
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README.md | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/README.md b/README.md
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index 07a8104..d59f3d6 100644
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--- a/README.md
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+++ b/README.md
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@@ -66,6 +66,10 @@ the same set of blocks is affected.
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The balance command uses filters to do the work in smaller batches.
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+The impact with quota groups enabled can be extreme. The balance operation
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+performs quota group accounting for every extent being relocated, which can
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+have the impact of stalling the file system for an extended period of time.
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+
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__Expected result:__ If possible all the underused chunks are removed, the
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value of `total` in output of `btrfs fi df /path` should be lower than before.
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Check the logs.
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--
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2.16.4
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@ -1,56 +0,0 @@
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From 194fd3a02f686737ae7d266d72d35a3418a5903b Mon Sep 17 00:00:00 2001
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From: Jeff Mahoney <jeffm@suse.com>
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Date: Fri, 25 Jan 2019 13:29:20 -0500
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Subject: sysconfig: reduce default balance usage thresholds
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References: fate#325529 jsc#SLE-3188
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In the early days of btrfs, the only way to clean up empty block groups
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was to perform a balance operation to coalesce block groups that were
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mostly free and release the newly empty block groups.
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Since then, btrfs cleans up empty block groups automatically so the need
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for regular aggressive balancing has been reduced substantially. Since
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workload shifts could still produce ENOSPC issues, we still want to
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perform a periodic balance but we can do it much less aggressively.
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---
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sysconfig.btrfsmaintenance | 8 ++++----
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1 file changed, 4 insertions(+), 4 deletions(-)
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diff --git a/sysconfig.btrfsmaintenance b/sysconfig.btrfsmaintenance
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index 4088254..5a34c83 100644
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--- a/sysconfig.btrfsmaintenance
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+++ b/sysconfig.btrfsmaintenance
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@@ -52,18 +52,18 @@ BTRFS_BALANCE_PERIOD="weekly"
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## Path: System/File systems/btrfs
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## Type: string
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-## Default: "1 5 10 20 30 40 50"
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+## Default: "5 10"
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#
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# The usage percent for balancing data block groups.
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#
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# Note: default values should not disturb normal work but may not reclaim
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# enough block groups. If you observe that, add higher values but beware that
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# this will increase IO load on the system.
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-BTRFS_BALANCE_DUSAGE="1 5 10 20 30 40 50"
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+BTRFS_BALANCE_DUSAGE="5 10"
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## Path: System/File systems/btrfs
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## Type: string
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-## Default: "1 5 10 20 30"
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+## Default: "3"
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#
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# The usage percent for balancing metadata block groups. The values are also
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# used in case the filesystem has mixed blockgroups.
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@@ -71,7 +71,7 @@ BTRFS_BALANCE_DUSAGE="1 5 10 20 30 40 50"
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# Note: default values should not disturb normal work but may not reclaim
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# enough block groups. If you observe that, add higher values but beware that
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# this will increase IO load on the system.
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-BTRFS_BALANCE_MUSAGE="1 5 10 20 30"
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+BTRFS_BALANCE_MUSAGE="3"
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## Path: System/File systems/btrfs
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## Type: string
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--
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2.16.4
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@ -1,53 +0,0 @@
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From 0302324b7a824741a39e3928dc7a8617485e03ce Mon Sep 17 00:00:00 2001
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From: Jeff Mahoney <jeffm@suse.com>
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Date: Fri, 25 Jan 2019 13:35:54 -0500
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Subject: sysconfig: document using systemd.time(7) for frequency of operations
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References: fate#325529 jsc#SLE-3188
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On systems using systemd timers, the calendar event format documented in
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systemd.time(7) may be used to specify when to run balance, defrag,
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scrub, or trim events. This commit documents that validity.
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---
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sysconfig.btrfsmaintenance | 12 ++++++++++++
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1 file changed, 12 insertions(+)
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diff --git a/sysconfig.btrfsmaintenance b/sysconfig.btrfsmaintenance
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index 5a34c83..b35e2cf 100644
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--- a/sysconfig.btrfsmaintenance
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+++ b/sysconfig.btrfsmaintenance
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@@ -48,6 +48,10 @@ BTRFS_BALANCE_MOUNTPOINTS="/"
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## ServiceRestart: btrfsmaintenance-refresh
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#
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# Frequency of periodic balance.
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+#
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+# The frequency may be specified using one of the listed values or
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+# in the format documented in the "Calendar Events" section of systemd.time(7),
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+# if available.
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BTRFS_BALANCE_PERIOD="weekly"
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## Path: System/File systems/btrfs
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@@ -89,6 +93,10 @@ BTRFS_SCRUB_MOUNTPOINTS="/"
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## ServiceRestart: btrfsmaintenance-refresh
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#
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# Frequency of periodic scrub.
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+#
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+# The frequency may be specified using one of the listed values or
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+# in the format documented in the "Calendar Events" section of systemd.time(7),
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+# if available.
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BTRFS_SCRUB_PERIOD="monthly"
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## Path: System/File systems/btrfs
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@@ -115,6 +123,10 @@ BTRFS_SCRUB_READ_ONLY="false"
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# Frequency of periodic trim. Off by default so it does not collide with
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# fstrim.timer . If you do not use the timer, turn it on here. The recommended
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# period is 'weekly'.
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+#
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+# The frequency may be specified using one of the listed values or
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+# in the format documented in the "Calendar Events" section of systemd.time(7),
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+# if available.
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BTRFS_TRIM_PERIOD="none"
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## Path: System/File systems/btrfs
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--
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2.16.4
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@ -1,39 +0,0 @@
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From 7851de9a30610885f7fc2f8238128f1c4f2d3593 Mon Sep 17 00:00:00 2001
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From: Jeff Mahoney <jeffm@suse.com>
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Date: Fri, 25 Jan 2019 14:08:13 -0500
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Subject: btrfsmaintenance-refresh-cron.sh: validate periods for cron-based systems
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References: fate#325529 jsc#SLE-3188
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Now that we accept systemd.time(7) calendar events, ensure that we don't
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try to use them on cron-based systems. Instead of removing all existing
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jobs silently, refuse to change the period and print an error.
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---
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btrfsmaintenance-refresh-cron.sh | 12 ++++++++++++
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1 file changed, 12 insertions(+)
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diff --git a/btrfsmaintenance-refresh-cron.sh b/btrfsmaintenance-refresh-cron.sh
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index 2bf5f8e..10db054 100755
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--- a/btrfsmaintenance-refresh-cron.sh
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+++ b/btrfsmaintenance-refresh-cron.sh
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@@ -35,6 +35,18 @@ refresh_cron() {
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SCRIPT="$2"
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echo "Refresh script $SCRIPT for $EXPECTED"
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+ valid=false
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+ for PERIOD in daily weekly monthly none uninstall; do
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+ if [ "$PERIOD" = "$EXPECTED" ]; then
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+ valid=true
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+ fi
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+ done
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+
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+ if ! $valid; then
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+ echo "$EXPECTED is not a valid period for cron. Not changing."
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+ return
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+ fi
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+
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for PERIOD in daily weekly monthly; do
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# NOTE: debian does not allow filenames with dots in /etc/cron.*
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LINK="${SCRIPT%.*}"
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--
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2.16.4
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@ -1,131 +0,0 @@
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From a1fdf5f2502ead429fe6ea6b44a63ad35aae7242 Mon Sep 17 00:00:00 2001
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From: Jeff Mahoney <jeffm@suse.com>
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Date: Tue, 12 Mar 2019 16:22:08 -0400
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Subject: btrfs-defrag-plugin: remove dependency on zypp-plugin-python
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References: FATE#326736 jsc#SLE-4130
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Notes: The script is included separately since rpm can't use git binary diffs
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Requiring zypp-plugin-python means that we need to pull in 150 MB of
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python dependencies. It's present already on many systems but on
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JeOS systems, it won't be by default. We still want to defrag
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the RPM database on those systems.
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This commit replaces the python script with a shell script that provides
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the same functionality and drops the python dependency entirely.
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Signed-off-by: Jeff Mahoney <jeffm@suse.com>
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---
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README.md | 4 +-
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btrfs-defrag-plugin.py | 81 -------------------------------------------------
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2 files changed, 2 insertions(+), 83 deletions(-)
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diff --git a/README.md b/README.md
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index d59f3d6..2202ebf 100644
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--- a/README.md
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+++ b/README.md
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@@ -188,7 +188,7 @@ do manual installation of files as described below.
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* `sysconfig.btrfsmaintenance` configuration template is put to:
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* `/etc/sysconfig/btrfsmaintenance` on SUSE and RedHat based systems or derivatives
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* `/etc/default/btrfsmaintenance` on Debian and derivatives
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-* `/usr/lib/zypp/plugins/commit/btrfs-defrag-plugin.py` post-update script for
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+* `/usr/lib/zypp/plugins/commit/btrfs-defrag-plugin.sh` post-update script for
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zypper (the package manager), applies to SUSE-based distros for now
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* cron refresh scripts are installed (see bellow)
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@@ -212,7 +212,7 @@ configuration file in `/etc/sysconfig/btrfsmaintenance` by installing the
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The package database files tend to be updated in a random way and get
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fragmented, which particularly hurts on btrfs. For rpm-based distros this means files
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in `/var/lib/rpm`. The script or plugin simpy runs a defragmentation on the affected files.
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-See `btrfs-defrag-plugin.py` for more details.
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+See `btrfs-defrag-plugin.sh` for more details.
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At the moment the 'zypper' package manager plugin exists. As the package
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managers differ significantly, there's no single plugin/script to do that.
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diff --git a/btrfs-defrag-plugin.py b/btrfs-defrag-plugin.py
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deleted file mode 100644
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index dab9556..0000000
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--- a/btrfs-defrag-plugin.py
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+++ /dev/null
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@@ -1,81 +0,0 @@
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-#!/usr/bin/python
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-
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-# This plugin defragments rpm files after update.
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-#
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-# If the filesystem is btrfs, run defrag command in the RPM database
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-# folder, set the desired extent size to 32MiB, but this may change in the
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-# result depending on the fragmentation of the free space.
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-#
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-# Why 32MiB:
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-# - the worst fragmentation has been observed on Packages
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-# - this can grow up to several hundred of megabytes
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-# - the file gets updated at random places
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-# - although the file will be composed of many extents, it's faster to
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-# merge only the extents that affect some portions of the file, instead
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-# of the whole file; the difference is negligible
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-# - due to the free space fragmentation over time, it's hard to find
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-# contiguous space, the bigger the extent is, the worse and the extent
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-# size hint is not reached anyway
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-
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-import sys
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-if sys.version_info[0] >= 3:
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- from builtins import str
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- popen_kwargs = { 'encoding': 'ascii' }
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-else:
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- popen_kwargs = { }
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-from zypp_plugin import Plugin
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-import subprocess
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-
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-DEBUG=False
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-EXTENT_SIZE=32*1024*1024
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-LOGFILE='/tmp/btrfs-defrag-plugin.log'
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-PATH=subprocess.check_output(["rpm", "--eval", "%_dbpath"], **popen_kwargs).strip()
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-
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-def dbg(args):
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- if not DEBUG: return
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- f=open(LOGFILE, "a+")
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- f.write(args)
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- f.write("\n")
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- f.close()
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-
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-def qx(args):
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- out=subprocess.Popen(args, shell=True, stdout=subprocess.PIPE, **popen_kwargs).stdout
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- outstr="".join(out.readlines())
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- out.close()
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- return outstr
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-
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-def fstype(path):
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- ret=qx('stat -f --format=%T "'+path+'"')
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- return ret.rstrip()
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-
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-class BtrfsDefragPlugin(Plugin):
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- def PLUGINBEGIN(self, headers, body):
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- self.actions = []
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- self.commit_hook_supported = False
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- dbg('--- Btrfs defrag plugin begin')
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- self.ack()
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-
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- def PLUGINEND(self, headers, body):
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- dbg('--- Btrfs defrag plugin end: %s %s\n' % (str(headers), str(body)))
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- dbg('--- fstype(%s) = |%s|' % (PATH, fstype(PATH)))
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- if fstype(PATH) != 'btrfs':
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- self.ack()
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- return
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- if DEBUG:
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- dbg('--- Fragmentation before')
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- dbg(qx('filefrag %s/*' % (PATH)))
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- # defrag options:
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- # - verbose
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- # - recursive
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- # - flush each file before going to the next one
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- # - set the extent target hint
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- ret = qx('btrfs filesystem defragment -v -f -r -t %s "%s"' % \
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- (str(EXTENT_SIZE), PATH))
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- if DEBUG:
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- dbg(ret)
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- dbg('--- Fragmentation after')
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- dbg(qx('filefrag %s/*' % (PATH)))
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- self.ack()
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-
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-plugin = BtrfsDefragPlugin()
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-plugin.main()
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@ -1,3 +0,0 @@
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version https://git-lfs.github.com/spec/v1
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oid sha256:017281ba9881ad4fcca88ac4460ff36c1ca7f43038f48880dcb97a9d790a43fd
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size 17840
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BIN
btrfsmaintenance-0.5.tar.bz2
(Stored with Git LFS)
Normal file
BIN
btrfsmaintenance-0.5.tar.bz2
(Stored with Git LFS)
Normal file
Binary file not shown.
@ -1,3 +1,25 @@
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-------------------------------------------------------------------
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Thu Jul 30 00:00:00 CEST 2020 - dsterba@suse.cz
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- update to version 0.5
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- sysconfig:
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- change defaults of MUSAGE and DUSAGE for balance task to do less work,
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with a script to switch from existing unmodified defaults to new ones
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- document systemd.timer syntax
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- make balance, scrub, and trim mutually exclusive tasks
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- service file updates:
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- delete Install section
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- defrag-plugin:
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- switch to python3
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- add alternative shell implementation of the plugin
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- installation docs update
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- Removed patches (upstream):
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- 0001-README-document-impact-of-balance-quota-groups.patch
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- 0002-sysconfig-reduce-default-balance-usage-thresholds-fa.patch
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- 0003-sysconfig-document-using-systemd.time-7-for-frequenc.patch
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- 0004-btrfsmaintenance-refresh-cron.sh-validate-periods-fo.patch
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- 0005-btrfs-defrag-plugin-remove-dependency-on-zypp-plugin.patch
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-------------------------------------------------------------------
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Tue Jun 11 16:34:56 CEST 2019 - dsterba@suse.cz
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@ -1,7 +1,7 @@
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#
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# spec file for package btrfsmaintenance
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#
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# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
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# Copyright (c) 2020 SUSE LLC
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#
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# All modifications and additions to the file contributed by third parties
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# remain the property of their copyright owners, unless otherwise agreed
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@ -22,19 +22,14 @@
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%endif
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Name: btrfsmaintenance
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Version: 0.4.2
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Version: 0.5
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Release: 0
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Summary: Scripts for btrfs periodic maintenance tasks
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License: GPL-2.0-only
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Group: System/Base
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Url: https://github.com/kdave/btrfsmaintenance
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URL: https://github.com/kdave/btrfsmaintenance
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Source0: %{name}-%{version}.tar.bz2
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Source1: btrfs-defrag-plugin.sh
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Patch1: 0001-README-document-impact-of-balance-quota-groups.patch
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Patch2: 0002-sysconfig-reduce-default-balance-usage-thresholds-fa.patch
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Patch3: 0003-sysconfig-document-using-systemd.time-7-for-frequenc.patch
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Patch4: 0004-btrfsmaintenance-refresh-cron.sh-validate-periods-fo.patch
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Patch5: 0005-btrfs-defrag-plugin-remove-dependency-on-zypp-plugin.patch
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BuildRequires: pkgconfig(systemd)
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Requires: btrfsprogs
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Requires: libzypp(plugin:commit)
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@ -49,11 +44,6 @@ for snapper).
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%prep
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%setup -q
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%patch1 -p1
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%patch2 -p1
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%patch3 -p1
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%patch4 -p1
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%patch5 -p1
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cp %{SOURCE1} .
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%build
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Loading…
Reference in New Issue
Block a user