Accepting request 1068637 from filesystems
- bcache-tools: improve is_zoned_device() (bsc#1208425) 0029-bcache-tools-improve-is_zoned_device.patch (forwarded request 1068623 from colyli) OBS-URL: https://build.opensuse.org/request/show/1068637 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/bcache-tools?expand=0&rev=17
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0029-bcache-tools-improve-is_zoned_device.patch
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0029-bcache-tools-improve-is_zoned_device.patch
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From a5e3753516bd39c431def86c8dfec8a9cea1ddd4 Mon Sep 17 00:00:00 2001
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From: Coly Li <colyli@suse.de>
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Date: Fri, 17 Feb 2023 21:08:10 +0800
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Subject: [PATCH] bcache-tools: improve is_zoned_device()
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Git-commit: a5e3753516bd39c431def86c8dfec8a9cea1ddd4
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References: bsc#1208425
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To check whether a block device is zoned or not, is_zoned_device()
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returns true when /sys/block/<device>/queue/chunk_sectors is not zero.
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Now there are devices which are not zoned devices but has non-zero
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chunk-sectors values. For such situation, the more accurate method is
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to read file /sys/block/<device>/queue/zoned. If the content is not
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string "none", this device is not a zoned device. Otherwise (e.g.
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"host-aware" or "host- managed"), it is a zoned device.
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For elder kernel if the above sysfs file doesn't exist, get_zone_size()
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is still called by is_zoned_device() for compatibility.
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Signed-off-by: Coly Li <colyli@suse.de>
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---
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zoned.c | 19 +++++++++++++++++++
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1 file changed, 19 insertions(+)
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diff --git a/zoned.c b/zoned.c
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index d078286..f214787 100644
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--- a/zoned.c
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+++ b/zoned.c
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@@ -90,5 +90,24 @@ void check_data_offset_for_zoned_device(char *devname,
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int is_zoned_device(char *devname)
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{
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+ char str[128];
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+ FILE *file;
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+ int res;
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+
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+ snprintf(str, sizeof(str),
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+ "/sys/block/%s/queue/zoned",
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+ basename(devname));
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+ file = fopen(str, "r");
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+ if (file) {
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+ memset(str, 0, sizeof(str));
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+ res = fscanf(file, "%s", str);
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+ fclose(file);
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+
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+ /* "none" indicates non-zoned device */
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+ if (res == 1)
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+ return !(strcmp(str, "none") == 0);
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+ }
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+
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+ /* Only used when "zoned" file doesn't exist */
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return (get_zone_size(devname) != 0);
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}
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--
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2.39.2
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@ -1,3 +1,9 @@
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-------------------------------------------------------------------
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Thu Mar 2 07:58:54 UTC 2023 - Coly Li <colyli@suse.com>
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- bcache-tools: improve is_zoned_device() (bsc#1208425)
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0029-bcache-tools-improve-is_zoned_device.patch
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-------------------------------------------------------------------
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Wed Feb 24 14:00:08 UTC 2021 - Coly Li <colyli@suse.com>
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@ -1,7 +1,7 @@
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#
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# spec file for package bcache-tools
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#
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# Copyright (c) 2021 SUSE LLC
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# Copyright (c) 2023 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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@ -53,6 +53,7 @@ Patch25: 0025-bcache-tools-recover-the-missing-sb.csum-for-showing.patch
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Patch26: 0026-bcache-tools-only-call-to_cache_sb-for-bcache-device.patch
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Patch27: 0027-bcache-tools-improve-column-alignment-for-bcache-sho.patch
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Patch28: 0028-bcache-tools-Update-super-block-version-in-bch_set_f.patch
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Patch29: 0029-bcache-tools-improve-is_zoned_device.patch
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BuildRequires: pkg-config
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BuildRequires: xz
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BuildRequires: pkgconfig(blkid)
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