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Subject[PATCH 3/4] ext2/3: Changing the unit of i_blocks (e2fsprogs-1.38)
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Date
Modification to change the unit of i_blocks in e2fsprogs-1.38.

Signed-off-by: Takashi Sato sho@tnes.nec.co.jp
---
diff -uprN e2fsprogs-1.38.org/e2fsck/emptydir.c e2fsprogs-1.38-bigfile/e2fsck/emptydir.c
--- e2fsprogs-1.38.org/e2fsck/emptydir.c 2003-12-08 02:11:38.000000000 +0900
+++ e2fsprogs-1.38-bigfile/e2fsck/emptydir.c 2006-02-27 15:55:25.000000000 +0900
@@ -169,7 +169,7 @@ static int fix_directory(ext2_filsys fs,
if (edi->freed_blocks) {
edi->inode.i_size -= edi->freed_blocks * fs->blocksize;
edi->inode.i_blocks -= edi->freed_blocks *
- (fs->blocksize / 512);
+ (fs->blocksize / i_blocks_base(fs));
(void) ext2fs_write_inode(fs, db->ino, &edi->inode);
}
return 0;
diff -uprN e2fsprogs-1.38.org/e2fsck/pass1.c e2fsprogs-1.38-bigfile/e2fsck/pass1.c
--- e2fsprogs-1.38.org/e2fsck/pass1.c 2005-04-15 03:06:09.000000000 +0900
+++ e2fsprogs-1.38-bigfile/e2fsck/pass1.c 2006-02-27 15:55:25.000000000 +0900
@@ -177,7 +177,7 @@ int e2fsck_pass1_check_symlink(ext2_fils
blocks = ext2fs_inode_data_blocks(fs, inode);
if (blocks) {
if ((inode->i_size >= fs->blocksize) ||
- (blocks != fs->blocksize >> 9) ||
+ (blocks != fs->blocksize / i_blocks_base(fs)) ||
(inode->i_block[0] < fs->super->s_first_data_block) ||
(inode->i_block[0] >= fs->super->s_blocks_count))
return 0;
@@ -1470,7 +1473,7 @@ static void check_blocks(e2fsck_t ctx, s
}
}

- pb.num_blocks *= (fs->blocksize / 512);
+ pb.num_blocks *= (fs->blocksize / i_blocks_base(fs));
#if 0
printf("inode %u, i_size = %lu, last_block = %lld, i_blocks=%lu, num_blocks = %lu\n",
ino, inode->i_size, pb.last_block, inode->i_blocks,
diff -uprN e2fsprogs-1.38.org/e2fsck/pass2.c e2fsprogs-1.38-bigfile/e2fsck/pass2.c
--- e2fsprogs-1.38.org/e2fsck/pass2.c 2005-04-15 03:06:09.000000000 +0900
+++ e2fsprogs-1.38-bigfile/e2fsck/pass2.c 2006-02-27 15:55:25.000000000 +0900
@@ -1199,7 +1199,7 @@ extern int e2fsck_process_bad_inode(e2fs
*/
if (LINUX_S_ISLNK(inode.i_mode) &&
(fs->flags & EXT2_FLAG_SWAP_BYTES) &&
- (inode.i_blocks == fs->blocksize >> 9))
+ (inode.i_blocks == fs->blocksize / i_blocks_base(fs)))
inode.i_block[0] = ext2fs_swab32(inode.i_block[0]);
#endif
inode_modified++;
@@ -1373,7 +1373,7 @@ static int allocate_dir_block(e2fsck_t c
* Update the inode block count
*/
e2fsck_read_inode(ctx, db->ino, &inode, "allocate_dir_block");
- inode.i_blocks += fs->blocksize / 512;
+ inode.i_blocks += fs->blocksize / i_blocks_base(fs);
if (inode.i_size < (db->blockcnt+1) * fs->blocksize)
inode.i_size = (db->blockcnt+1) * fs->blocksize;
e2fsck_write_inode(ctx, db->ino, &inode, "allocate_dir_block");
diff -uprN e2fsprogs-1.38.org/e2fsck/pass3.c e2fsprogs-1.38-bigfile/e2fsck/pass3.c
--- e2fsprogs-1.38.org/e2fsck/pass3.c 2005-04-15 03:06:09.000000000 +0900
+++ e2fsprogs-1.38-bigfile/e2fsck/pass3.c 2006-02-27 15:55:25.000000000 +0900
@@ -224,7 +224,7 @@ static void check_root(e2fsck_t ctx)
inode.i_size = fs->blocksize;
inode.i_atime = inode.i_ctime = inode.i_mtime = ctx->now;
inode.i_links_count = 2;
- inode.i_blocks = fs->blocksize / 512;
+ inode.i_blocks = fs->blocksize / i_blocks_base(fs);
inode.i_block[0] = blk;

/*
@@ -472,7 +472,7 @@ ext2_ino_t e2fsck_get_lost_and_found(e2f
inode.i_size = fs->blocksize;
inode.i_atime = inode.i_ctime = inode.i_mtime = ctx->now;
inode.i_links_count = 2;
- inode.i_blocks = fs->blocksize / 512;
+ inode.i_blocks = fs->blocksize / i_blocks_base(fs);
inode.i_block[0] = blk;

/*
@@ -795,7 +795,7 @@ errcode_t e2fsck_expand_directory(e2fsck
return retval;

inode.i_size = (es.last_block + 1) * fs->blocksize;
- inode.i_blocks += (fs->blocksize / 512) * es.newblocks;
+ inode.i_blocks += (fs->blocksize / i_blocks_base(fs)) * es.newblocks;

e2fsck_write_inode(ctx, dir, &inode, "expand_directory");

diff -uprN e2fsprogs-1.38.org/e2fsck/rehash.c e2fsprogs-1.38-bigfile/e2fsck/rehash.c
--- e2fsprogs-1.38.org/e2fsck/rehash.c 2003-12-08 02:11:38.000000000 +0900
+++ e2fsprogs-1.38-bigfile/e2fsck/rehash.c 2006-02-27 15:55:25.000000000 +0900
@@ -648,7 +648,7 @@ static errcode_t write_directory(e2fsck_
else
inode.i_flags |= EXT2_INDEX_FL;
inode.i_size = outdir->num * fs->blocksize;
- inode.i_blocks -= (fs->blocksize / 512) * wd.cleared;
+ inode.i_blocks -= (fs->blocksize / i_blocks_base(fs)) * wd.cleared;
e2fsck_write_inode(ctx, ino, &inode, "rehash_dir");

return 0;
diff -uprN e2fsprogs-1.38.org/e2fsck/super.c e2fsprogs-1.38-bigfile/e2fsck/super.c
--- e2fsprogs-1.38.org/e2fsck/super.c 2005-04-15 03:06:09.000000000 +0900
+++ e2fsprogs-1.38-bigfile/e2fsck/super.c 2006-02-27 15:55:25.000000000 +0900
@@ -209,7 +209,7 @@ static int release_inode_blocks(e2fsck_t

if (pb.truncated_blocks)
inode->i_blocks -= pb.truncated_blocks *
- (fs->blocksize / 512);
+ (fs->blocksize / i_blocks_base(fs));

if (inode->i_file_acl) {
retval = ext2fs_adjust_ea_refcount(fs, inode->i_file_acl,
diff -uprN e2fsprogs-1.38.org/lib/e2p/feature.c e2fsprogs-1.38-bigfile/lib/e2p/feature.c
--- e2fsprogs-1.38.org/lib/e2p/feature.c 2004-12-07 07:45:50.000000000 +0900
+++ e2fsprogs-1.38-bigfile/lib/e2p/feature.c 2006-02-27 15:55:25.000000000 +0900
@@ -51,6 +51,8 @@ static struct feature feature_list[] = {
"extents" },
{ E2P_FEATURE_INCOMPAT, EXT2_FEATURE_INCOMPAT_META_BG,
"meta_bg" },
+ { E2P_FEATURE_INCOMPAT, EXT2_FEATURE_INCOMPAT_LARGE_BLOCK,
+ "large_block"},
{ 0, 0, 0 },
};

diff -uprN e2fsprogs-1.38.org/lib/ext2fs/bb_inode.c e2fsprogs-1.38-bigfile/lib/ext2fs/bb_inode.c
--- e2fsprogs-1.38.org/lib/ext2fs/bb_inode.c 2003-12-08 02:11:38.000000000 +0900
+++ e2fsprogs-1.38-bigfile/lib/ext2fs/bb_inode.c 2006-02-27 15:55:25.000000000 +0900
@@ -127,7 +127,7 @@ errcode_t ext2fs_update_bb_inode(ext2_fi
inode.i_atime = inode.i_mtime = time(0);
if (!inode.i_ctime)
inode.i_ctime = time(0);
- inode.i_blocks = rec.bad_block_count * (fs->blocksize / 512);
+ inode.i_blocks = rec.bad_block_count * (fs->blocksize / i_blocks_base(fs));
inode.i_size = rec.bad_block_count * fs->blocksize;

retval = ext2fs_write_inode(fs, EXT2_BAD_INO, &inode);
diff -uprN e2fsprogs-1.38.org/lib/ext2fs/bmap.c e2fsprogs-1.38-bigfile/lib/ext2fs/bmap.c
--- e2fsprogs-1.38.org/lib/ext2fs/bmap.c 2004-12-24 03:55:34.000000000 +0900
+++ e2fsprogs-1.38-bigfile/lib/ext2fs/bmap.c 2006-02-27 15:55:25.000000000 +0900
@@ -260,7 +260,7 @@ done:
if (buf)
ext2fs_free_mem(&buf);
if ((retval == 0) && (blocks_alloc || inode_dirty)) {
- inode->i_blocks += (blocks_alloc * fs->blocksize) / 512;
+ inode->i_blocks += (blocks_alloc * fs->blocksize) / i_blocks_base(fs);
retval = ext2fs_write_inode(fs, ino, inode);
}
return retval;
diff -uprN e2fsprogs-1.38.org/lib/ext2fs/expanddir.c e2fsprogs-1.38-bigfile/lib/ext2fs/expanddir.c
--- e2fsprogs-1.38.org/lib/ext2fs/expanddir.c 2003-12-08 02:11:38.000000000 +0900
+++ e2fsprogs-1.38-bigfile/lib/ext2fs/expanddir.c 2006-02-27 15:55:25.000000000 +0900
@@ -116,7 +116,7 @@ errcode_t ext2fs_expand_dir(ext2_filsys
return retval;

inode.i_size += fs->blocksize;
- inode.i_blocks += (fs->blocksize / 512) * es.newblocks;
+ inode.i_blocks += (fs->blocksize / i_blocks_base(fs)) * es.newblocks;

retval = ext2fs_write_inode(fs, dir, &inode);
if (retval)
diff -uprN e2fsprogs-1.38.org/lib/ext2fs/ext2_fs.h e2fsprogs-1.38-bigfile/lib/ext2fs/ext2_fs.h
--- e2fsprogs-1.38.org/lib/ext2fs/ext2_fs.h 2005-01-26 13:42:55.000000000 +0900
+++ e2fsprogs-1.38-bigfile/lib/ext2fs/ext2_fs.h 2006-02-27 15:55:25.000000000 +0900
@@ -563,6 +563,7 @@ struct ext2_super_block {
#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV 0x0008 /* Journal device */
#define EXT2_FEATURE_INCOMPAT_META_BG 0x0010
#define EXT3_FEATURE_INCOMPAT_EXTENTS 0x0040
+#define EXT2_FEATURE_INCOMPAT_LARGE_BLOCK 0x0080


#define EXT2_FEATURE_COMPAT_SUPP 0
diff -uprN e2fsprogs-1.38.org/lib/ext2fs/ext2fs.h e2fsprogs-1.38-bigfile/lib/ext2fs/ext2fs.h
--- e2fsprogs-1.38.org/lib/ext2fs/ext2fs.h 2005-06-28 00:47:15.000000000 +0900
+++ e2fsprogs-1.38-bigfile/lib/ext2fs/ext2fs.h 2006-02-27 15:55:25.000000000 +0900
@@ -453,6 +453,7 @@ typedef struct ext2_icount *ext2_icount_
#define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE|\
EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\
EXT2_FEATURE_INCOMPAT_META_BG|\
+ EXT2_FEATURE_INCOMPAT_LARGE_BLOCK|\
EXT3_FEATURE_INCOMPAT_RECOVER)
#endif
#define EXT2_LIB_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\
@@ -1124,12 +1125,25 @@ _INLINE_ int ext2fs_group_of_ino(ext2_fi
return (ino - 1) / fs->super->s_inodes_per_group;
}

+/*
+ * `-O large_block' option support
+ * TODO: rework this function as a variable
+ */
+_INLINE_ int i_blocks_base(ext2_filsys fs)
+{
+ if (fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_LARGE_BLOCK)
+ return fs->blocksize;
+
+ return 512;
+}
+
_INLINE_ blk_t ext2fs_inode_data_blocks(ext2_filsys fs,
struct ext2_inode *inode)
{
return inode->i_blocks -
- (inode->i_file_acl ? fs->blocksize >> 9 : 0);
+ (inode->i_file_acl ? fs->blocksize / i_blocks_base(fs) : 0);
}
+
#undef _INLINE_
#endif

diff -uprN e2fsprogs-1.38.org/lib/ext2fs/mkdir.c e2fsprogs-1.38-bigfile/lib/ext2fs/mkdir.c
--- e2fsprogs-1.38.org/lib/ext2fs/mkdir.c 2005-03-21 12:31:41.000000000 +0900
+++ e2fsprogs-1.38-bigfile/lib/ext2fs/mkdir.c 2006-02-27 15:55:25.000000000 +0900
@@ -82,7 +82,7 @@ errcode_t ext2fs_mkdir(ext2_filsys fs, e
memset(&inode, 0, sizeof(struct ext2_inode));
inode.i_mode = LINUX_S_IFDIR | (0777 & ~fs->umask);
inode.i_uid = inode.i_gid = 0;
- inode.i_blocks = fs->blocksize / 512;
+ inode.i_blocks = fs->blocksize / i_blocks_base(fs);
inode.i_block[0] = blk;
inode.i_links_count = 2;
inode.i_ctime = inode.i_atime = inode.i_mtime = time(NULL);
diff -uprN e2fsprogs-1.38.org/lib/ext2fs/mkjournal.c e2fsprogs-1.38-bigfile/lib/ext2fs/mkjournal.c
--- e2fsprogs-1.38.org/lib/ext2fs/mkjournal.c 2003-12-08 02:11:38.000000000 +0900
+++ e2fsprogs-1.38-bigfile/lib/ext2fs/mkjournal.c 2006-02-27 15:55:25.000000000 +0900
@@ -228,7 +228,7 @@ static errcode_t write_journal_inode(ext
goto errout;

inode.i_size += fs->blocksize * size;
- inode.i_blocks += (fs->blocksize / 512) * es.newblocks;
+ inode.i_blocks += (fs->blocksize / i_blocks_base(fs)) * es.newblocks;
inode.i_mtime = inode.i_ctime = time(0);
inode.i_links_count = 1;
inode.i_mode = LINUX_S_IFREG | 0600;
diff -uprN e2fsprogs-1.38.org/lib/ext2fs/read_bb.c e2fsprogs-1.38-bigfile/lib/ext2fs/read_bb.c
--- e2fsprogs-1.38.org/lib/ext2fs/read_bb.c 2003-12-08 02:11:38.000000000 +0900
+++ e2fsprogs-1.38-bigfile/lib/ext2fs/read_bb.c 2006-02-27 15:55:25.000000000 +0900
@@ -76,7 +76,7 @@ errcode_t ext2fs_read_bb_inode(ext2_fils
return retval;
if (inode.i_blocks < 500)
numblocks = (inode.i_blocks /
- (fs->blocksize / 512)) + 20;
+ (fs->blocksize / i_blocks_base(fs))) + 20;
else
numblocks = 500;
retval = ext2fs_badblocks_list_create(bb_list, numblocks);
diff -uprN e2fsprogs-1.38.org/lib/ext2fs/res_gdt.c e2fsprogs-1.38-bigfile/lib/ext2fs/res_gdt.c
--- e2fsprogs-1.38.org/lib/ext2fs/res_gdt.c 2005-01-28 08:20:53.000000000 +0900
+++ e2fsprogs-1.38-bigfile/lib/ext2fs/res_gdt.c 2006-02-27 15:55:25.000000000 +0900
@@ -84,7 +84,7 @@ errcode_t ext2fs_create_resize_inode(ext

/* Maximum possible file size (we donly use the dindirect blocks) */
apb = EXT2_ADDR_PER_BLOCK(sb);
- rsv_add = fs->blocksize / 512;
+ rsv_add = fs->blocksize / i_blocks_base(fs);
if ((dindir_blk = inode.i_block[EXT2_DIND_BLOCK])) {
#ifdef RES_GDT_DEBUG
printf("reading GDT dindir %u\n", dindir_blk);
diff -uprN e2fsprogs-1.38.org/misc/mke2fs.c e2fsprogs-1.38-bigfile/misc/mke2fs.c
--- e2fsprogs-1.38.org/misc/mke2fs.c 2005-07-01 09:00:40.000000000 +0900
+++ e2fsprogs-1.38-bigfile/misc/mke2fs.c 2006-02-27 15:55:25.000000000 +0900
@@ -887,7 +887,8 @@ static __u32 ok_features[3] = {
EXT2_FEATURE_COMPAT_DIR_INDEX, /* Compat */
EXT2_FEATURE_INCOMPAT_FILETYPE| /* Incompat */
EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|
- EXT2_FEATURE_INCOMPAT_META_BG,
+ EXT2_FEATURE_INCOMPAT_META_BG |
+ EXT2_FEATURE_INCOMPAT_LARGE_BLOCK,
EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER /* R/O compat */
};

diff -uprN e2fsprogs-1.38.org/resize/resize2fs.c e2fsprogs-1.38-bigfile/resize/resize2fs.c
--- e2fsprogs-1.38.org/resize/resize2fs.c 2005-05-10 05:22:17.000000000 +0900
+++ e2fsprogs-1.38-bigfile/resize/resize2fs.c 2006-02-27 15:55:25.000000000 +0900
@@ -1454,7 +1454,7 @@ static errcode_t fix_resize_inode(ext2_f
retval = ext2fs_read_inode(fs, EXT2_RESIZE_INO, &inode);
if (retval) goto errout;

- inode.i_blocks = fs->blocksize/512;
+ inode.i_blocks = fs->blocksize / i_blocks_base(fs);

retval = ext2fs_write_inode(fs, EXT2_RESIZE_INO, &inode);
if (retval) goto errout;

-
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