erasure-code: preload the isa plugin by default

But only do so when it has been compiled because a recent enough yasm has been found. Signed-off-by: Loic Dachary <[email protected]>
stiwari · Aug 28, 2014 · 39bcb43 · 39bcb43
1 parent e9a05b8
commit 39bcb43
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Showing 3 changed files with 8 additions and 1 deletion.
diff --git a/configure.ac b/configure.ac
@@ -94,6 +94,7 @@ if yasm -f elf64 src/common/crc32c_intel_fast_asm.S -o /dev/null; then
 
       if yasm -f elf64 -i src/ceph/src/ceph/src/erasure-code/isa/isa-l/include/ src/erasure-code/isa/isa-l/erasure_code/gf_vect_dot_prod_avx2.asm.s -o /dev/null 2> /dev/null ; then
          echo 'yasm can also build the isa-l stuff'
+         AC_DEFINE([HAVE_BETTER_YASM_ELF64], [1], [yasm can also build the isa-l])
 	 with_better_yasm=yes
       else
          echo "yasm doesn't build the isa-l stuff"

diff --git a/src/common/config_opts.h b/src/common/config_opts.h
@@ -444,7 +444,12 @@ OPTION(osd_pool_default_erasure_code_profile,
        "k=2 "
        "m=1 "
        ) // default properties of osd pool create
-OPTION(osd_erasure_code_plugins, OPT_STR, "jerasure") // list of erasure code plugins
+OPTION(osd_erasure_code_plugins, OPT_STR,
+       "jerasure"
+#ifdef HAVE_BETTER_YASM_ELF64
+       " isa"
+#endif
+       ) // list of erasure code plugins
 OPTION(osd_pool_default_flags, OPT_INT, 0)   // default flags for new pools
 OPTION(osd_pool_default_flag_hashpspool, OPT_BOOL, true)   // use new pg hashing to prevent pool/pg overlap
 OPTION(osd_pool_default_hit_set_bloom_fpp, OPT_FLOAT, .05)

diff --git a/src/erasure-code/ErasureCodePlugin.h b/src/erasure-code/ErasureCodePlugin.h
@@ -4,6 +4,7 @@
  * Ceph distributed storage system
  *
  * Copyright (C) 2013,2014 Cloudwatt <[email protected]>
+ * Copyright (C) 2014 Red Hat <[email protected]>
  *
  * Author: Loic Dachary <[email protected]>
  *