[to-be-updated] lib-zlib-add-zlib_deflate_dfltcc_enabled-function.patch removed from -mm tree

[to-be-updated] lib-zlib-add-zlib_deflate_dfltcc_enabled-function.patch removed from -mm tree

[akpm]

The patch titled
     Subject: lib/zlib: add zlib_deflate_dfltcc_enabled() function
has been removed from the -mm tree.  Its filename was
     lib-zlib-add-zlib_deflate_dfltcc_enabled-function.patch

This patch was dropped because an updated version will be merged

------------------------------------------------------
From: Mikhail Zaslonko <zaslonko@linux.ibm.com>
Subject: lib/zlib: add zlib_deflate_dfltcc_enabled() function

Add a new function to zlib.h checking if s390 Deflate-Conversion facility
is installed and enabled.

Link: http://lkml.kernel.org/r/20191209152948.37080-6-zaslonko@linux.ibm.com
Signed-off-by: Mikhail Zaslonko <zaslonko@linux.ibm.com>
Cc: Chris Mason <clm@fb.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: David Sterba <dsterba@suse.com>
Cc: Eduard Shishkin <edward6@linux.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Ilya Leoshkevich <iii@linux.ibm.com>
Cc: Josef Bacik <josef@toxicpanda.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/linux/zlib.h            |    6 ++++++
 lib/zlib_deflate/deflate.c      |    6 ++++++
 lib/zlib_deflate/deflate_syms.c |    1 +
 lib/zlib_dfltcc/dfltcc.h        |    3 +++
 4 files changed, 16 insertions(+)

--- a/include/linux/zlib.h~lib-zlib-add-zlib_deflate_dfltcc_enabled-function
+++ a/include/linux/zlib.h
@@ -191,6 +191,12 @@ extern int zlib_deflate_workspacesize (i
    exceed those passed here.
 */
 
+extern int zlib_deflate_dfltcc_enabled (void);
+/*
+   Returns 1 if Deflate-Conversion facility is installed and enabled,
+   otherwise 0.
+*/
+
 /* 
 extern int deflateInit (z_streamp strm, int level);
 
--- a/lib/zlib_deflate/deflate.c~lib-zlib-add-zlib_deflate_dfltcc_enabled-function
+++ a/lib/zlib_deflate/deflate.c
@@ -59,6 +59,7 @@
 #define DEFLATE_RESET_HOOK(strm) do {} while (0)
 #define DEFLATE_HOOK(strm, flush, bstate) 0
 #define DEFLATE_NEED_CHECKSUM(strm) 1
+#define DEFLATE_DFLTCC_ENABLED() 0
 #endif
 
 /* ===========================================================================
@@ -1138,3 +1139,8 @@ int zlib_deflate_workspacesize(int windo
         + zlib_deflate_head_memsize(memLevel)
         + zlib_deflate_overlay_memsize(memLevel);
 }
+
+int zlib_deflate_dfltcc_enabled(void)
+{
+	return DEFLATE_DFLTCC_ENABLED();
+}
--- a/lib/zlib_deflate/deflate_syms.c~lib-zlib-add-zlib_deflate_dfltcc_enabled-function
+++ a/lib/zlib_deflate/deflate_syms.c
@@ -12,6 +12,7 @@
 #include <linux/zlib.h>
 
 EXPORT_SYMBOL(zlib_deflate_workspacesize);
+EXPORT_SYMBOL(zlib_deflate_dfltcc_enabled);
 EXPORT_SYMBOL(zlib_deflate);
 EXPORT_SYMBOL(zlib_deflateInit2);
 EXPORT_SYMBOL(zlib_deflateEnd);
--- a/lib/zlib_dfltcc/dfltcc.h~lib-zlib-add-zlib_deflate_dfltcc_enabled-function
+++ a/lib/zlib_dfltcc/dfltcc.h
@@ -3,6 +3,7 @@
 #define DFLTCC_H
 
 #include "../zlib_deflate/defutil.h"
+#include "dfltcc_util.h"
 
 /*
  * Tuning parameters.
@@ -121,6 +122,8 @@ dfltcc_inflate_action dfltcc_inflate(z_s
 
 #define DEFLATE_NEED_CHECKSUM(strm) (!dfltcc_can_deflate((strm)))
 
+#define DEFLATE_DFLTCC_ENABLED() is_dfltcc_enabled()
+
 #define INFLATE_RESET_HOOK(strm) \
     dfltcc_reset((strm), sizeof(struct inflate_state))
 
_

Patches currently in -mm which might be from zaslonko@linux.ibm.com are

btrfs-use-larger-zlib-buffer-for-s390-hardware-compression.patch