From: Tao Liu <ltao@redhat.com>
To: kexec@lists.infradead.org
Cc: k-hagio-ab@nec.com, Tao Liu <ltao@redhat.com>
Subject: [PATCH 08/11] makedumpfile: Add parallel threads zstd uncompression processing
Date: Fri, 10 Sep 2021 18:33:15 +0800 [thread overview]
Message-ID: <20210910103318.292017-9-ltao@redhat.com> (raw)
In-Reply-To: <20210910103318.292017-1-ltao@redhat.com>
Signed-off-by: Tao Liu <ltao@redhat.com>
---
makedumpfile.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/makedumpfile.c b/makedumpfile.c
index e70d882..2514eb6 100644
--- a/makedumpfile.c
+++ b/makedumpfile.c
@@ -919,7 +919,7 @@ readpage_kdump_compressed_parallel(int fd_memory, unsigned long long paddr,
* Read page data
*/
rdbuf = pd.flags & (DUMP_DH_COMPRESSED_ZLIB | DUMP_DH_COMPRESSED_LZO |
- DUMP_DH_COMPRESSED_SNAPPY) ? buf : bufptr;
+ DUMP_DH_COMPRESSED_SNAPPY | DUMP_DH_COMPRESSED_ZSTD) ? buf : bufptr;
if (read(fd_memory, rdbuf, pd.size) != pd.size) {
ERRMSG("Can't read %s. %s\n",
info->name_memory, strerror(errno));
@@ -960,6 +960,14 @@ readpage_kdump_compressed_parallel(int fd_memory, unsigned long long paddr,
ERRMSG("Uncompress failed: %d\n", ret);
return FALSE;
}
+#endif
+#ifdef USEZSTD
+ } else if ((pd.flags & DUMP_DH_COMPRESSED_ZSTD)) {
+ ret = ZSTD_decompress(bufptr, info->page_size, buf, pd.size);
+ if (ZSTD_isError(ret) || (ret != info->page_size)) {
+ ERRMSG("Uncompress failed: %d\n", ret);
+ return FALSE;
+ }
#endif
}
--
2.29.2
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next prev parent reply other threads:[~2021-09-10 10:36 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-10 10:33 [PATCH 00/11] makedumpfile: Add zstd support for makedumpfile Tao Liu
2021-09-10 10:33 ` [PATCH 01/11] makedumpfile: Add dump header for zstd Tao Liu
2021-09-10 10:33 ` [PATCH 02/11] makedumpfile: Add command-line processing " Tao Liu
2021-09-10 10:33 ` [PATCH 03/11] makedumpfile: Add zstd build support Tao Liu
2021-09-10 10:33 ` [PATCH 04/11] makedumpfile: Notify zstd unsupporting when disabled Tao Liu
2021-09-10 10:33 ` [PATCH 05/11] makedumpfile: Add single thread zstd compression processing Tao Liu
2021-09-10 10:33 ` [PATCH 06/11] makedumpfile: Add parallel threads " Tao Liu
2021-09-10 10:33 ` [PATCH 07/11] makedumpfile: Add single thread zstd uncompression processing Tao Liu
2021-09-10 10:33 ` Tao Liu [this message]
2021-09-10 10:33 ` [PATCH 09/11] makedumpfile: Add zstd help message Tao Liu
2021-09-10 10:33 ` [PATCH 10/11] makedumpfile: Add zstd manual description Tao Liu
2021-09-10 10:33 ` [PATCH 11/11] makedumpfile: Add zstd README description Tao Liu
2021-09-14 7:04 ` [PATCH 00/11] makedumpfile: Add zstd support for makedumpfile HAGIO KAZUHITO(萩尾 一仁)
2021-09-14 8:33 ` Tao Liu
2021-09-17 1:34 ` HAGIO KAZUHITO(萩尾 一仁)
2021-09-17 2:31 ` HAGIO KAZUHITO(萩尾 一仁)
2021-09-17 7:03 ` HAGIO KAZUHITO(萩尾 一仁)
2021-09-21 9:26 ` Tao Liu
2021-09-22 2:21 ` HAGIO KAZUHITO(萩尾 一仁)
2021-09-22 8:16 ` HAGIO KAZUHITO(萩尾 一仁)
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