[PATCH 4/4] ext2/3: Change the max filesize limit (e2fsprogs-1.38)

From: sho
Date: Sat Mar 18 2006 - 08:00:50 EST


Modification to change the max file size limit in e2fsprogs-1.38.

Signed-off-by: Takashi Sato sho@xxxxxxxxxxxxxx
---
diff -uprN e2fsprogs-1.38.org/debugfs/debugfs.c e2fsprogs-1.38-bigfile/debugfs/debugfs.c
--- e2fsprogs-1.38.org/debugfs/debugfs.c 2005-05-06 22:04:36.000000000 +0900
+++ e2fsprogs-1.38-bigfile/debugfs/debugfs.c 2006-02-27 15:55:25.000000000 +0900
@@ -525,7 +525,7 @@ void internal_dump_inode(FILE *out, cons
fprintf(out, "%sFile ACL: %d Directory ACL: %d\n",
prefix,
inode->i_file_acl, LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0);
- fprintf(out, "%sLinks: %d Blockcount: %d\n",
+ fprintf(out, "%sLinks: %d Blockcount: %u\n",
prefix, inode->i_links_count, inode->i_blocks);
switch (os) {
case EXT2_OS_LINUX:
@@ -822,6 +822,7 @@ void do_modify_inode(int argc, char *arg
const char *hex_format = "0x%x";
const char *octal_format = "0%o";
const char *decimal_format = "%d";
+ const char *unsignedlong_format = "%lu";

if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
return;
@@ -834,13 +835,16 @@ void do_modify_inode(int argc, char *arg
modify_u16(argv[0], "Mode", octal_format, &inode.i_mode);
modify_u16(argv[0], "User ID", decimal_format, &inode.i_uid);
modify_u16(argv[0], "Group ID", decimal_format, &inode.i_gid);
- modify_u32(argv[0], "Size", decimal_format, &inode.i_size);
+ modify_u32(argv[0], "Size", unsignedlong_format, &inode.i_size);
modify_u32(argv[0], "Creation time", decimal_format, &inode.i_ctime);
modify_u32(argv[0], "Modification time", decimal_format, &inode.i_mtime);
modify_u32(argv[0], "Access time", decimal_format, &inode.i_atime);
modify_u32(argv[0], "Deletion time", decimal_format, &inode.i_dtime);
modify_u16(argv[0], "Link count", decimal_format, &inode.i_links_count);
- modify_u32(argv[0], "Block count", decimal_format, &inode.i_blocks);
+ if (current_fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_LARGE_BLOCK)
+ modify_u32(argv[0], "Block count (fsblocks)", unsignedlong_format, &inode.i_blocks);
+ else
+ modify_u32(argv[0], "Block count", unsignedlong_format, &inode.i_blocks);
modify_u32(argv[0], "File flags", hex_format, &inode.i_flags);
modify_u32(argv[0], "Generation", hex_format, &inode.i_generation);
#if 0
diff -uprN e2fsprogs-1.38.org/debugfs/set_fields.c e2fsprogs-1.38-bigfile/debugfs/set_fields.c
--- e2fsprogs-1.38.org/debugfs/set_fields.c 2005-02-04 10:38:52.000000000 +0900
+++ e2fsprogs-1.38-bigfile/debugfs/set_fields.c 2006-02-27 15:55:25.000000000 +0900
@@ -399,6 +399,11 @@ static void print_possible_fields(struct
else if (ss->func == parse_bmap)
type = "set physical->logical block map";
strcpy(name, ss->name);
+
+ if ((current_fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_LARGE_BLOCK) &&
+ (fields == inode_fields) && (!strcmp(name, "blocks")))
+ strcat(name, " (fsblocks)");
+
if (ss->flags & FLAG_ARRAY) {
if (ss->max_idx > 0)
sprintf(idx, "[%d]", ss->max_idx);
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
@@ -1388,7 +1388,10 @@ static void check_blocks(e2fsck_t ctx, s
pb.previous_block = 0;
pb.is_dir = LINUX_S_ISDIR(inode->i_mode);
pb.is_reg = LINUX_S_ISREG(inode->i_mode);
- pb.max_blocks = 1 << (31 - fs->super->s_log_block_size);
+ if (fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_LARGE_BLOCK)
+ pb.max_blocks = ((unsigned long)1 << 31) - 1;
+ else
+ pb.max_blocks = 1 << (31 - fs->super->s_log_block_size);
pb.inode = inode;
pb.pctx = pctx;
pb.ctx = ctx;

-
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