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authorJustus Winter <4winter@informatik.uni-hamburg.de>2015-11-24 01:34:02 +0100
committerJustus Winter <4winter@informatik.uni-hamburg.de>2015-11-24 01:34:02 +0100
commiteae82693bf1ed63dd63e5c2d78522bab37ab4ac5 (patch)
tree6ff6a32d9b657af4d6ada80ef4fe4308cfbf53ab
parent549ac3913528c331eb90e0e21aa98cf97a50e345 (diff)
drop old patch series
-rw-r--r--debian/patches/series4
-rw-r--r--debian/patches/translators-list0001-libfshelp-acquire-references-to-control-ports.patch59
-rw-r--r--debian/patches/translators-list0002-libihash-add-general-purpose-hash-functions.patch143
-rw-r--r--debian/patches/translators-list0003-libfshelp-improve-translator-list.patch127
-rw-r--r--debian/patches/translators-list0004-add-iteration.patch28
5 files changed, 0 insertions, 361 deletions
diff --git a/debian/patches/series b/debian/patches/series
index 91acd278..04e8bde9 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -62,7 +62,3 @@ nodeihash0002-xxx-fix-node-iteration.patch
ext2fs-optimize-bcache0001-ext2fs-improve-the-block-cache.patch
ext2fs-optimize-bcache0002-ext2fs-disable-block-cache-debugging-by-default.patch
ext2fs-optimize-bcache0003-ext2fs-keep-list-of-reusable-disk-cache-entries.patch
-translators-list0001-libfshelp-acquire-references-to-control-ports.patch
-translators-list0002-libihash-add-general-purpose-hash-functions.patch
-translators-list0003-libfshelp-improve-translator-list.patch
-translators-list0004-add-iteration.patch
diff --git a/debian/patches/translators-list0001-libfshelp-acquire-references-to-control-ports.patch b/debian/patches/translators-list0001-libfshelp-acquire-references-to-control-ports.patch
deleted file mode 100644
index b9981cb8..00000000
--- a/debian/patches/translators-list0001-libfshelp-acquire-references-to-control-ports.patch
+++ /dev/null
@@ -1,59 +0,0 @@
-From 7bf9bb0eb7f9c0340044754023c62633f69369c0 Mon Sep 17 00:00:00 2001
-From: Justus Winter <4winter@informatik.uni-hamburg.de>
-Date: Fri, 20 Nov 2015 12:46:56 +0100
-Subject: [PATCH hurd 1/4] libfshelp: acquire references to control ports
-
-* libfshelp/translator-list.c (translator_ihash_cleanup): Release reference.
-(fshelp_set_active_translator): Acquire reference
----
- libfshelp/translator-list.c | 16 ++++++++++++----
- 1 file changed, 12 insertions(+), 4 deletions(-)
-
-diff --git a/libfshelp/translator-list.c b/libfshelp/translator-list.c
-index c87bbaa..87d7f6a 100644
---- a/libfshelp/translator-list.c
-+++ b/libfshelp/translator-list.c
-@@ -49,12 +49,13 @@ static pthread_mutex_t translator_ihash_lock = PTHREAD_MUTEX_INITIALIZER;
- static void
- translator_ihash_cleanup (void *element, void *arg)
- {
-+ error_t err;
- struct translator *translator = element;
-
- if (translator->pi)
- ports_port_deref (translator->pi);
-- /* No need to deallocate translator->active, we only keep the name of
-- the port, not a reference. */
-+ err = mach_port_deallocate (mach_task_self (), translator->active);
-+ assert_perror (err);
- free (translator->name);
- free (translator);
- }
-@@ -124,8 +125,14 @@ fshelp_set_active_translator (struct port_info *pi,
- t->pi = pi;
- }
-
-- /* No need to increment the reference count, we only keep the
-- name, not a reference. */
-+ if (MACH_PORT_VALID (t->active))
-+ {
-+ err = mach_port_deallocate (mach_task_self (), t->active);
-+ assert_perror (err);
-+ }
-+ err = mach_port_mod_refs (mach_task_self (), active,
-+ MACH_PORT_RIGHT_SEND, +1);
-+ assert_perror (err);
- t->active = active;
- }
- else
-@@ -143,6 +150,7 @@ error_t
- fshelp_remove_active_translator (mach_port_t active)
- {
- error_t err = 0;
-+
- pthread_mutex_lock (&translator_ihash_lock);
-
- struct translator *t = NULL;
---
-2.1.4
-
diff --git a/debian/patches/translators-list0002-libihash-add-general-purpose-hash-functions.patch b/debian/patches/translators-list0002-libihash-add-general-purpose-hash-functions.patch
deleted file mode 100644
index 182768ea..00000000
--- a/debian/patches/translators-list0002-libihash-add-general-purpose-hash-functions.patch
+++ /dev/null
@@ -1,143 +0,0 @@
-From 4cc5cec01a0fa4b22ec7d4084b0bfb9b70e5cbf1 Mon Sep 17 00:00:00 2001
-From: Justus Winter <4winter@informatik.uni-hamburg.de>
-Date: Tue, 24 Nov 2015 01:07:32 +0100
-Subject: [PATCH hurd 2/4] libihash: add general purpose hash functions
-
-* libihash/Makefile (SRCS): Add new file.
-* libihash/fasthash.c: New file.
-* libihash/ihash.h (hurd_ihash_fasthash{32,64}): New prototypes.
----
- libihash/Makefile | 2 +-
- libihash/fasthash.c | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++++
- libihash/ihash.h | 14 ++++++++++
- 3 files changed, 90 insertions(+), 1 deletion(-)
- create mode 100644 libihash/fasthash.c
-
-diff --git a/libihash/Makefile b/libihash/Makefile
-index 09bb136..eb5d87e 100644
---- a/libihash/Makefile
-+++ b/libihash/Makefile
-@@ -20,7 +20,7 @@ dir := libihash
- makemode := library
-
- libname := libihash
--SRCS = ihash.c
-+SRCS = ihash.c fasthash.c
- installhdrs = ihash.h
-
- OBJS = $(SRCS:.c=.o)
-diff --git a/libihash/fasthash.c b/libihash/fasthash.c
-new file mode 100644
-index 0000000..d13629c
---- /dev/null
-+++ b/libihash/fasthash.c
-@@ -0,0 +1,75 @@
-+/* The MIT License
-+
-+ Copyright (C) 2012 Zilong Tan (eric.zltan@gmail.com)
-+
-+ Permission is hereby granted, free of charge, to any person
-+ obtaining a copy of this software and associated documentation
-+ files (the "Software"), to deal in the Software without
-+ restriction, including without limitation the rights to use, copy,
-+ modify, merge, publish, distribute, sublicense, and/or sell copies
-+ of the Software, and to permit persons to whom the Software is
-+ furnished to do so, subject to the following conditions:
-+
-+ The above copyright notice and this permission notice shall be
-+ included in all copies or substantial portions of the Software.
-+
-+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-+ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-+ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-+ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
-+ BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
-+ ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-+ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-+ SOFTWARE.
-+*/
-+
-+#include "fasthash.h"
-+
-+// Compression function for Merkle-Damgard construction.
-+// This function is generated using the framework provided.
-+#define mix(h) ({ \
-+ (h) ^= (h) >> 23; \
-+ (h) *= 0x2127599bf4325c37ULL; \
-+ (h) ^= (h) >> 47; })
-+
-+uint64_t hurd_ihash_fasthash64(const void *buf, size_t len, uint64_t seed)
-+{
-+ const uint64_t m = 0x880355f21e6d1965ULL;
-+ const uint64_t *pos = (const uint64_t *)buf;
-+ const uint64_t *end = pos + (len / 8);
-+ const unsigned char *pos2;
-+ uint64_t h = seed ^ (len * m);
-+ uint64_t v;
-+
-+ while (pos != end) {
-+ v = *pos++;
-+ h ^= mix(v);
-+ h *= m;
-+ }
-+
-+ pos2 = (const unsigned char*)pos;
-+ v = 0;
-+
-+ switch (len & 7) {
-+ case 7: v ^= (uint64_t)pos2[6] << 48;
-+ case 6: v ^= (uint64_t)pos2[5] << 40;
-+ case 5: v ^= (uint64_t)pos2[4] << 32;
-+ case 4: v ^= (uint64_t)pos2[3] << 24;
-+ case 3: v ^= (uint64_t)pos2[2] << 16;
-+ case 2: v ^= (uint64_t)pos2[1] << 8;
-+ case 1: v ^= (uint64_t)pos2[0];
-+ h ^= mix(v);
-+ h *= m;
-+ }
-+
-+ return mix(h);
-+}
-+
-+uint32_t hurd_ihash_fasthash32(const void *buf, size_t len, uint32_t seed)
-+{
-+ // the following trick converts the 64-bit hashcode to Fermat
-+ // residue, which shall retain information from both the higher
-+ // and lower parts of hashcode.
-+ uint64_t h = hurd_ihash_fasthash64(buf, len, seed);
-+ return h - (h >> 32);
-+}
-diff --git a/libihash/ihash.h b/libihash/ihash.h
-index 986291b..50676a6 100644
---- a/libihash/ihash.h
-+++ b/libihash/ihash.h
-@@ -136,6 +136,13 @@ typedef struct hurd_ihash *hurd_ihash_t;
- .max_load = HURD_IHASH_MAX_LOAD_DEFAULT, \
- .locp_offset = (locp_offs)}
-
-+#define HURD_IHASH_INITIALIZER_GKI(locp_offs, cleanup, hash, compare) \
-+ { .nr_items = 0, .size = 0, .cleanup = (cleanup), \
-+ .max_load = HURD_IHASH_MAX_LOAD_DEFAULT, \
-+ .locp_offset = (locp_offs), \
-+ .fct_hash = (hash), \
-+ .fct_cmp = (compare)} \
-+
- /* Initialize the hash table at address HT. If LOCP_OFFSET is not
- HURD_IHASH_NO_LOCP, then this is an offset (in bytes) from the
- address of a hash value where a location pointer can be found. The
-@@ -339,5 +346,12 @@ int hurd_ihash_remove (hurd_ihash_t ht, hurd_ihash_key_t key);
- was provided to hurd_ihash_add(). This call is faster than
- hurd_ihash_remove(). */
- void hurd_ihash_locp_remove (hurd_ihash_t ht, hurd_ihash_locp_t locp);
-+
-+/* General purpose hash functions. */
-+
-+/* Zilong Tans fast-hash. Based on 'Marsaglia, George. "Xorshift
-+ rngs." Journal of Statistical Software 8.14 (2003): 1-6.' */
-+uint32_t hurd_ihash_fasthash32 (const void *buf, size_t len, uint32_t seed);
-+uint64_t hurd_ihash_fasthash64 (const void *buf, size_t len, uint64_t seed);
-
- #endif /* _HURD_IHASH_H */
---
-2.1.4
-
diff --git a/debian/patches/translators-list0003-libfshelp-improve-translator-list.patch b/debian/patches/translators-list0003-libfshelp-improve-translator-list.patch
deleted file mode 100644
index 203a2f96..00000000
--- a/debian/patches/translators-list0003-libfshelp-improve-translator-list.patch
+++ /dev/null
@@ -1,127 +0,0 @@
-From f2b791571de10efefd4357e4bb6bdfa4e2d0c218 Mon Sep 17 00:00:00 2001
-From: Justus Winter <4winter@informatik.uni-hamburg.de>
-Date: Tue, 24 Nov 2015 01:20:57 +0100
-Subject: [PATCH hurd 3/4] libfshelp: improve translator list
-
-Use the path names of active translators as keys in the hash table.
-
-* libfshelp/translator-list.c (hash, compare): New functions.
-(translator_ihash): Use generalized key interface.
-(fshelp_set_active_translator): Update accordingly.
-(fshelp_remove_active_translator): Likewise.
----
- libfshelp/translator-list.c | 59 +++++++++++++++++++++++++++------------------
- 1 file changed, 35 insertions(+), 24 deletions(-)
-
-diff --git a/libfshelp/translator-list.c b/libfshelp/translator-list.c
-index 87d7f6a..fa754ae 100644
---- a/libfshelp/translator-list.c
-+++ b/libfshelp/translator-list.c
-@@ -1,6 +1,6 @@
- /* A list of active translators.
-
-- Copyright (C) 2013,14 Free Software Foundation, Inc.
-+ Copyright (C) 2013,14,15 Free Software Foundation, Inc.
-
- Written by Justus Winter <4winter@informatik.uni-hamburg.de>
-
-@@ -39,18 +39,12 @@ struct translator
- mach_port_t active;
- };
-
--/* The list of active translators. */
--static struct hurd_ihash translator_ihash
-- = HURD_IHASH_INITIALIZER (HURD_IHASH_NO_LOCP);
--
--/* The lock protecting the translator_ihash. */
--static pthread_mutex_t translator_ihash_lock = PTHREAD_MUTEX_INITIALIZER;
--
-+/* The hash table requires some callback functions. */
- static void
--translator_ihash_cleanup (void *element, void *arg)
-+cleanup (void *value, void *arg)
- {
- error_t err;
-- struct translator *translator = element;
-+ struct translator *translator = value;
-
- if (translator->pi)
- ports_port_deref (translator->pi);
-@@ -60,6 +54,26 @@ translator_ihash_cleanup (void *element, void *arg)
- free (translator);
- }
-
-+static hurd_ihash_key_t
-+hash (void *key)
-+{
-+ const char *path = key;
-+ return (hurd_ihash_key_t) hurd_ihash_fasthash32 (path, strlen (path), 0);
-+}
-+
-+static int
-+compare (void *a, void *b)
-+{
-+ return strcmp ((const char *) a, (const char *) b) == 0;
-+}
-+
-+/* The list of active translators. */
-+static struct hurd_ihash translator_ihash
-+ = HURD_IHASH_INITIALIZER_GKI (HURD_IHASH_NO_LOCP, cleanup, hash, compare);
-+
-+/* The lock protecting the translator_ihash. */
-+static pthread_mutex_t translator_ihash_lock = PTHREAD_MUTEX_INITIALIZER;
-+
- /* Record an active translator being bound to the given file name
- NAME. ACTIVE is the control port of the translator. */
- error_t
-@@ -68,20 +82,16 @@ fshelp_set_active_translator (struct port_info *pi,
- mach_port_t active)
- {
- error_t err = 0;
-- pthread_mutex_lock (&translator_ihash_lock);
--
-- if (! translator_ihash.cleanup)
-- hurd_ihash_set_cleanup (&translator_ihash, translator_ihash_cleanup, NULL);
-+ struct translator *t;
-+ hurd_ihash_locp_t slot;
-
-- struct translator *t = NULL;
-- HURD_IHASH_ITERATE (&translator_ihash, value)
-- {
-- t = value;
-- if (strcmp (name, t->name) == 0)
-- goto update; /* Entry exists. */
-- }
-+ pthread_mutex_lock (&translator_ihash_lock);
-+ t = hurd_ihash_locp_find (&translator_ihash, (hurd_ihash_key_t) name,
-+ &slot);
-+ if (t)
-+ goto update; /* Entry exists. */
-
-- t = malloc (sizeof (struct translator));
-+ t = malloc (sizeof *t);
- if (! t)
- {
- err = errno;
-@@ -98,7 +108,8 @@ fshelp_set_active_translator (struct port_info *pi,
- goto out;
- }
-
-- err = hurd_ihash_add (&translator_ihash, (hurd_ihash_key_t) t, t);
-+ err = hurd_ihash_locp_add (&translator_ihash, slot,
-+ (hurd_ihash_key_t) t->name, t);
- if (err)
- goto out;
-
-@@ -165,7 +176,7 @@ fshelp_remove_active_translator (mach_port_t active)
- }
-
- if (t)
-- hurd_ihash_remove (&translator_ihash, (hurd_ihash_key_t) t);
-+ hurd_ihash_remove (&translator_ihash, (hurd_ihash_key_t) t->name);
-
- pthread_mutex_unlock (&translator_ihash_lock);
- return err;
---
-2.1.4
-
diff --git a/debian/patches/translators-list0004-add-iteration.patch b/debian/patches/translators-list0004-add-iteration.patch
deleted file mode 100644
index 9a7b1270..00000000
--- a/debian/patches/translators-list0004-add-iteration.patch
+++ /dev/null
@@ -1,28 +0,0 @@
-From 20e4d911a985f033653b76589f8b7b4fb26c63b3 Mon Sep 17 00:00:00 2001
-From: Justus Winter <4winter@informatik.uni-hamburg.de>
-Date: Fri, 20 Nov 2015 12:47:06 +0100
-Subject: [PATCH hurd 4/4] add iteration
-
----
- libfshelp/translator-list.c | 8 ++++++++
- 1 file changed, 8 insertions(+)
-
-diff --git a/libfshelp/translator-list.c b/libfshelp/translator-list.c
-index fa754ae..5c137d7 100644
---- a/libfshelp/translator-list.c
-+++ b/libfshelp/translator-list.c
-@@ -235,3 +235,11 @@ fshelp_get_active_translators (char **translators,
- pthread_mutex_unlock (&translator_ihash_lock);
- return err;
- }
-+
-+/* For each active node, call FUN. The node is to be locked around the call
-+ to FUN. If FUN returns non-zero for any node, then immediately stop, and
-+ return that value. */
-+error_t __attribute__ ((weak))
-+fshelp_iterate_active_translators (error_t (*fun)(struct node *))
-+{
-+}
---
-2.1.4
-