Displaying 4 results from an estimated 4 matches for "minmatch".
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mimatch
2012 Jun 23
9
[PATCH 0/5] btrfs: lz4/lz4hc compression
WARNING: This is not compatible with the previous lz4 patchset. If you''re using
experimental compression that isn''t in mainline kernels, be prepared to backup
and restore or decompress before upgrading, and have backups in case it eats
data (which appears not to be a problem any more, but has been during
development).
These patches add lz4 and lz4hc compression
2012 Feb 13
10
[RFB] add LZ4 compression method to btrfs
Hi,
so here it is, LZ4 compression method inside btrfs. The patchset is based on
top of current Chris'' for-linus + Andi''s snappy implementation + the fixes from
Li Zefan. Passes xfstests and stresstests.
I haven''t measured performance on wide range of hardware or workloads, rather
wanted to publish the patches before I get distracted again. I''d like to ask
2013 Sep 23
28
[PATCH 0/2] add LZ4 kernel decompression support
Linux 3.11 added respective support, so I think we should follow
suit.
1: xen: add LZ4 decompression support
2: libxc: add LZ4 decompression support
Signed-off-by: Jan Beulich <jbeulich@suse.com>
2013 Oct 26
2
[PATCH] 1. changes for vdiskadm on illumos based platform
...U64 uint64_t
+
+typedef struct _U16_S {
+ U16 v;
+} U16_S;
+typedef struct _U32_S {
+ U32 v;
+} U32_S;
+typedef struct _U64_S {
+ U64 v;
+} U64_S;
+
+#define A64(x) (((U64_S *)(x))->v)
+#define A32(x) (((U32_S *)(x))->v)
+#define A16(x) (((U16_S *)(x))->v)
+
+/*
+ * Constants
+ */
+#define MINMATCH 4
+
+#define COPYLENGTH 8
+#define LASTLITERALS 5
+
+#define ML_BITS 4
+#define ML_MASK ((1U<<ML_BITS)-1)
+#define RUN_BITS (8-ML_BITS)
+#define RUN_MASK ((1U<<RUN_BITS)-1)
+
+/*
+ * Architecture-specific macros
+ */
+#if LZ4_ARCH64
+#define STEPSIZE 8
+#define UARCH U64
+#define AARCH...