Jan Engelhardt
78695432ff
- bcache.h: fix typo from SUUP to SUPP (jsc#SLE-9807) 0019-bcache.h-fix-typo-from-SUUP-to-SUPP.patch - bcache-tools: only call set_bucket_size() for cache device (jsc#SLE-9807) 0020-bcache-tools-only-call-set_bucket_size-for-cache-dev.patch - bcache.h: add BCH_FEATURE_INCOMPAT_LARGE_BUCKET to BCH_FEATURE_INCOMPAT_SUPP (jsc#SLE-9807) 0021-bcache.h-add-BCH_FEATURE_INCOMPAT_LARGE_BUCKET-to-BC.patch - bcache-tools: check incompatible feature set (jsc#SLE-9807) 0022-bcache-tools-check-incompatible-feature-set.patch - bcache-tools: introduce BCH_FEATURE_INCOMPAT_LOG_LARGE_BUCKET_SIZE for large bucket (jsc#SLE-9807) 0023-bcache-tools-introduce-BCH_FEATURE_INCOMPAT_LOG_LARG.patch - bcache-tools: display obsoleted bucket size configuration (jsc#SLE-9807) 0024-bcache-tools-display-obsoleted-bucket-size-configura.patch - bcache-tools: recover the missing sb.csum for showing bcache device super block (jsc#SLE-9807) 0025-bcache-tools-recover-the-missing-sb.csum-for-showing.patch - bcache-tools: only call to_cache_sb() for bcache device in may_add_item() (jsc#SLE-9807) 0026-bcache-tools-only-call-to_cache_sb-for-bcache-device.patch - bcache-tools: improve column alignment for "bcache show -m" output (jsc#SLE-9807) 0027-bcache-tools-improve-column-alignment-for-bcache-sho.patch OBS-URL: https://build.opensuse.org/request/show/860492 OBS-URL: https://build.opensuse.org/package/show/filesystems/bcache-tools?expand=0&rev=31
70 lines
1.8 KiB
Diff
70 lines
1.8 KiB
Diff
From 11f6bab95e5a8d4ec0089692ec78285a1fc96bab Mon Sep 17 00:00:00 2001
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From: Coly Li <colyli@suse.de>
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Date: Mon, 4 Jan 2021 00:07:46 +0800
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Subject: [PATCH 8/9] bcache-tools: only call to_cache_sb() for bcache device
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in may_add_item()
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Git-commit: 11f6bab95e5a8d4ec0089692ec78285a1fc96bab
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References: jsc#SLE-9807
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to_cache_sb() will print an error message "Unsupported super block
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version" if the super block version is invalid. For non-bcache devices,
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it is unnecessary to check version number and print bogus error messages.
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This patch checks bcache_magic earlier in may_add_item(), and only calls
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to_cache_sb() if the magic string matched. Then the non-bcache devices
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can be skipped, and no more bogus error message observed.
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Signed-off-by: Coly Li <colyli@suse.de>
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---
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lib.c | 15 +++++++--------
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1 file changed, 7 insertions(+), 8 deletions(-)
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diff --git a/lib.c b/lib.c
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index 340ddf3..b8487db 100644
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--- a/lib.c
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+++ b/lib.c
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@@ -343,32 +343,31 @@ int may_add_item(char *devname, struct list_head *head)
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{
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struct cache_sb_disk sb_disk;
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struct cache_sb sb;
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+ char dev[512];
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+ struct dev *tmp;
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+ int ret;
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if (strcmp(devname, ".") == 0 || strcmp(devname, "..") == 0)
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return 0;
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- char dev[261];
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sprintf(dev, "/dev/%s", devname);
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int fd = open(dev, O_RDONLY);
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-
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if (fd == -1)
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return 0;
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+
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if (pread(fd, &sb_disk, sizeof(sb_disk), SB_START) != sizeof(sb_disk)) {
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close(fd);
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return 0;
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}
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- to_cache_sb(&sb, &sb_disk);
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-
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- if (memcmp(sb.magic, bcache_magic, 16)) {
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+ if (memcmp(sb_disk.magic, bcache_magic, 16)) {
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close(fd);
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return 0;
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}
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- struct dev *tmp;
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- int ret;
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- tmp = (struct dev *) malloc(DEVLEN);
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+ to_cache_sb(&sb, &sb_disk);
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+ tmp = (struct dev *) malloc(DEVLEN);
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tmp->csum = le64_to_cpu(sb_disk.csum);
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ret = detail_base(dev, sb, tmp);
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if (ret != 0) {
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--
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2.26.2
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