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SubjectLarge Block Device patch part 8 of 8


This patch adds the configuration options for CONFIG_LBD to i386 and
ppc.


It also fixes a couple of things I missed in earlier patches.

(And yes, there are only 8 parts)

# This is a BitKeeper generated patch for the following project:
# Project Name: Linux kernel tree
# This patch format is intended for GNU patch command version 2.5 or higher.
# This patch includes the following deltas:
# ChangeSet 1.515 -> 1.516
# drivers/block/Config.help 1.2 -> 1.3
# include/asm-i386/types.h 1.2 -> 1.3
# drivers/block/Config.in 1.7 -> 1.8
# include/linux/types.h 1.4 -> 1.5
# fs/affs/inode.c 1.15 -> 1.16
# fs/reiserfs/super.c 1.52 -> 1.53
# fs/affs/file.c 1.20 -> 1.21
# include/asm-ppc/types.h 1.4 -> 1.5
#
# The following is the BitKeeper ChangeSet Log
# --------------------------------------------
# 02/08/23 peterc@numbat.chubb.wattle.id.au 1.516
# The last in the current patch set: enable sector_t larger than 32-bits; and
# a few compiler warnings fixed up.
# --------------------------------------------
#
diff -Nru a/drivers/block/Config.help b/drivers/block/Config.help
--- a/drivers/block/Config.help Fri Aug 23 15:43:40 2002
+++ b/drivers/block/Config.help Fri Aug 23 15:43:40 2002
@@ -258,3 +258,7 @@
supported by this driver, and for further information on the use of
this driver.

+CONFIG_LBD
+ Say Y here if you want to attach large (bigger than 2TB) discs to
+ your machine, or if you want to have a raid or loopback device
+ bigger than 2TB. Otherwise say N.
diff -Nru a/drivers/block/Config.in b/drivers/block/Config.in
--- a/drivers/block/Config.in Fri Aug 23 15:43:40 2002
+++ b/drivers/block/Config.in Fri Aug 23 15:43:40 2002
@@ -48,4 +48,7 @@
fi
dep_bool ' Initial RAM disk (initrd) support' CONFIG_BLK_DEV_INITRD $CONFIG_BLK_DEV_RAM

+if [ "$CONFIG_X86" = "y" -o "$CONFIG_PPC32" = "y" ]; then
+ bool 'Support for Large Block Devices' CONFIG_LBD
+fi
endmenu
diff -Nru a/fs/affs/file.c b/fs/affs/file.c
--- a/fs/affs/file.c Fri Aug 23 15:43:40 2002
+++ b/fs/affs/file.c Fri Aug 23 15:43:40 2002
@@ -337,10 +337,11 @@
struct buffer_head *ext_bh;
u32 ext;

- pr_debug("AFFS: get_block(%u, %ld)\n", (u32)inode->i_ino, block);
+ pr_debug("AFFS: get_block(%u, %lu)\n", (u32)inode->i_ino, (unsigned long)block);

- if (block < 0)
- goto err_small;
+
+ if (block > (sector_t)0x7fffffffUL)
+ BUG();

if (block >= AFFS_I(inode)->i_blkcnt) {
if (block > AFFS_I(inode)->i_blkcnt || !create)
@@ -351,12 +352,12 @@
//lock cache
affs_lock_ext(inode);

- ext = block / AFFS_SB(sb)->s_hashsize;
+ ext = (u32)block / AFFS_SB(sb)->s_hashsize;
block -= ext * AFFS_SB(sb)->s_hashsize;
ext_bh = affs_get_extblock(inode, ext);
if (IS_ERR(ext_bh))
goto err_ext;
- map_bh(bh_result, sb, be32_to_cpu(AFFS_BLOCK(sb, ext_bh, block)));
+ map_bh(bh_result, sb, (sector_t)be32_to_cpu(AFFS_BLOCK(sb, ext_bh, block)));

if (create) {
u32 blocknr = affs_alloc_block(inode, ext_bh->b_blocknr);
@@ -421,7 +422,7 @@
return cont_prepare_write(page, from, to, affs_get_block,
&AFFS_I(page->mapping->host)->mmu_private);
}
-static int _affs_bmap(struct address_space *mapping, long block)
+static sector_t _affs_bmap(struct address_space *mapping, sector_t block)
{
return generic_block_bmap(mapping,block,affs_get_block);
}
diff -Nru a/fs/affs/inode.c b/fs/affs/inode.c
--- a/fs/affs/inode.c Fri Aug 23 15:43:40 2002
+++ b/fs/affs/inode.c Fri Aug 23 15:43:40 2002
@@ -416,7 +416,7 @@
}
affs_fix_checksum(sb, bh);
mark_buffer_dirty_inode(bh, inode);
- dentry->d_fsdata = (void *)bh->b_blocknr;
+ dentry->d_fsdata = (void *)(long)bh->b_blocknr;

affs_lock_dir(dir);
retval = affs_insert_hash(dir, bh);
diff -Nru a/fs/reiserfs/super.c b/fs/reiserfs/super.c
--- a/fs/reiserfs/super.c Fri Aug 23 15:43:40 2002
+++ b/fs/reiserfs/super.c Fri Aug 23 15:43:40 2002
@@ -902,7 +902,7 @@
ll_rw_block(READ, 1, &(SB_AP_BITMAP(s)[i])) ;
wait_on_buffer(SB_AP_BITMAP(s)[i]) ;
if (!buffer_uptodate(SB_AP_BITMAP(s)[i])) {
- printk("reread_meta_blocks, error reading bitmap block number %d at %ld\n", i, SB_AP_BITMAP(s)[i]->b_blocknr) ;
+ printk("reread_meta_blocks, error reading bitmap block number %d at %lld\n", i, (long long)SB_AP_BITMAP(s)[i]->b_blocknr) ;
return 1 ;
}
}
diff -Nru a/include/asm-i386/types.h b/include/asm-i386/types.h
--- a/include/asm-i386/types.h Fri Aug 23 15:43:40 2002
+++ b/include/asm-i386/types.h Fri Aug 23 15:43:40 2002
@@ -52,6 +52,11 @@
#endif
typedef u64 dma64_addr_t;

+#ifdef CONFIG_LBD
+typedef u64 sector_t;
+#define HAVE_SECTOR_T
+#endif
+
#endif /* __KERNEL__ */

#endif
diff -Nru a/include/asm-ppc/types.h b/include/asm-ppc/types.h
--- a/include/asm-ppc/types.h Fri Aug 23 15:43:40 2002
+++ b/include/asm-ppc/types.h Fri Aug 23 15:43:40 2002
@@ -48,6 +48,11 @@
typedef u32 dma_addr_t;
typedef u64 dma64_addr_t;

+#ifdef CONFIG_LBD
+typedef u64 sector_t;
+#define HAVE_SECTOR_T
+#endif
+
#endif /* __KERNEL__ */

/*
diff -Nru a/include/linux/types.h b/include/linux/types.h
--- a/include/linux/types.h Fri Aug 23 15:43:40 2002
+++ b/include/linux/types.h Fri Aug 23 15:43:40 2002
@@ -117,13 +117,11 @@
#endif

/*
- * transition to 64-bit sector_t, possibly making it an option...
+ * The type used for indexing onto a disc or disc partition.
+ * If required, asm/types.h can override it and define
+ * HAVE_SECTOR_T
*/
-#undef BLK_64BIT_SECTOR
-
-#ifdef BLK_64BIT_SECTOR
-typedef u64 sector_t;
-#else
+#ifndef HAVE_SECTOR_T
typedef unsigned long sector_t;
#endif

-
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