code: mafs

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for 8192 span size

--- a/9p.c

+++ b/9p.c

@@ -1406,8 +1406,8 @@

 	for(written = 0; written < wbufsize; ){

 		if(chatty9p > 1)

-			dprint("writefile(): d->name %s d->size %llud offset %llud\n"

-				"	written %d offset+written %llud wbufsize %llud\n",

+			dprint("writefile(): d->name %s d->size %llud offset %llud"

+					" written %d offset+written %llud wbufsize %llud\n",

 				d->name, d->size, offset, written, offset+written, wbufsize);

 		/* all the below functions only write upto the end of an extent.

 		   Hence, the need for a loop to keep repeating.

--- a/dat.h

+++ b/dat.h

@@ -17,7 +17,7 @@

 	Nsec	= 1000ULL*1000*1000,

 	Usec	= 1000ULL*1000,

 	Msec	= 1000ULL,

-	Iounit	= 65536,

+	MAXRPC	= 8192ULL,

 	Nbkp	= 2,

 	KiB	= 1024ULL,	/* Kibibytes */

 	MiB	= KiB*KiB,	/* Mibibytes */

@@ -204,7 +204,9 @@

 enum {

 	Blocksize	= Rawblocksize - sizeof(Tag),

 	Namelen		= (Blocksize-sizeof(Dentry1)),/* max size of file name components */

-	Maxspanlen	= MiB/Rawblocksize,	/* in blocks */

+

+	Iounit		= MAXRPC-sizeof(Tag), /* in bytes */

+	Maxspanlen	= MAXRPC/Rawblocksize,	/* in blocks */

 	Maxspansize	= (Maxspanlen*Rawblocksize)-sizeof(Tag), /* in bytes */

 	Ndentryperblock	= 1, /* Blocksize / sizeof(Dentry), */

@@ -377,7 +379,7 @@

 	Tind0,		/* points to Tdata blocks for files or Tdentry blocks for directories. */

 	Tind1,		/* points to Tind0 blocks */

 	Tind2,		/* points to Tind1 blocks */

-	Tind3,		/* list of Tind2 blocks. we can have a 12 TiB file */

+	Tind3,		/* list of Tind2 blocks. we can have a 92 GiB file */

 	Maxtind,	/* should be Tind0+Niblock */

 				/* gap for more indirect block depth in future */

 	MAXTAG,

--- a/tests/sizes.c

+++ b/tests/sizes.c

@@ -118,7 +118,7 @@

 	max = maxsize();

 	print("maximum possible spans %llud\n", max);

 	print("	(%llud*Maxspansize = %llud bytes)\n", max, max*Maxspansize);

-	print("	(%llud*Maxspansize = %llud bytes = %llud TiB)\n",

-			max, max*Maxspansize, (max*Maxspansize)/(MiB*MiB));

+	print("	(%llud*Maxspansize = %llud bytes = %llud GiB)\n",

+			max, max*Maxspansize, (max*Maxspansize)/(GiB));

 	exits(0);

 }

--- a/tests/test.0/blocks/0

+++ b/tests/test.0/blocks/0

@@ -1,4 +1,4 @@

 Tmagic 1 1

 mafs device

 512

-1048564

+8180

--- a/tests/test.1/blocks/0

+++ b/tests/test.1/blocks/0

@@ -1,4 +1,4 @@

 Tmagic 1 1

 mafs device

 512

-1048564

+8180

--- a/tests/test.2/blocks/0

+++ b/tests/test.2/blocks/0

@@ -1,4 +1,4 @@

 Tmagic 1 1

 mafs device

 512

-1048564

+8180

--- a/tests/test.2/blocks/20

+++ /dev/null

@@ -1,1 +1,0 @@

-Tblank 0 0

--- a/tests/test.2/blocks/21

+++ /dev/null

@@ -1,1 +1,0 @@

-Tblank 0 0

--- a/tests/test.2/blocks/22

+++ /dev/null

@@ -1,1 +1,0 @@

-Tblank 0 0

--- a/tests/test.3/blocks/0

+++ b/tests/test.3/blocks/0

@@ -1,4 +1,4 @@

 Tmagic 1 1

 mafs device

 512

-1048564

+8180

--- a/tests/test.4/blocks/0

+++ b/tests/test.4/blocks/0

@@ -1,4 +1,4 @@

 Tmagic 1 1

 mafs device

 512

-1048564

+8180

--- a/tests/test.5/blocks/0

+++ b/tests/test.5/blocks/0

@@ -1,4 +1,4 @@

 Tmagic 1 1

 mafs device

 512

-1048564

+8180

--- a/tests/test.6/blocks/0

+++ b/tests/test.6/blocks/0

@@ -1,4 +1,4 @@

 Tmagic 1 1

 mafs device

 512

-1048564

+8180

--- a/tests/test.7/blocks/0

+++ b/tests/test.7/blocks/0

@@ -1,4 +1,4 @@

 Tmagic 1 1

 mafs device

 512

-1048564

+8180

--- a/tests/test.8/blocks/0

+++ b/tests/test.8/blocks/0

@@ -1,4 +1,4 @@

 Tmagic 1 1

 mafs device

 512

-1048564

+8180

--- a/tests/test.9/blocks/0

+++ b/tests/test.9/blocks/0

@@ -1,4 +1,4 @@

 Tmagic 1 1

 mafs device

 512

-1048564

+8180

--- a/tests/test.b/blocks/0

+++ b/tests/test.b/blocks/0

@@ -1,4 +1,4 @@

 Tmagic 1 1

 mafs device

 512

-1048564

+8180

--- a/tests/test.d/blocks/0

+++ b/tests/test.d/blocks/0

@@ -1,4 +1,4 @@

 Tmagic 1 1

 mafs device

 512

-1048564

+8180