[2.4.18] vfat doesn't support files > 2GB under Linux, under Windoze it does

[2.4.18] vfat doesn't support files > 2GB under Linux, under Windoze it does

[F ker]

Could someone direct me towards a patch?  Many thanks.



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Re: [2.4.18] vfat doesn't support files > 2GB under Linux, under Windoze it does

[OGAWA Hirofumi]

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F ker <f_ker@yahoo.co.uk> writes:

> Could someone direct me towards a patch?  Many thanks.

This patch is for 2.5.19, but, the back porting to 2.5.18 should
be not difficult.
-- 
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>


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diff -urN linux-2.5.19/fs/buffer.c fat-big_file-2.5.19/fs/buffer.c
--- linux-2.5.19/fs/buffer.c	Sat Jun  8 03:33:39 2002
+++ fat-big_file-2.5.19/fs/buffer.c	Sat Jun  8 01:29:20 2002
@@ -1931,7 +1931,7 @@
  */
 
 int cont_prepare_write(struct page *page, unsigned offset,
-		unsigned to, get_block_t *get_block, unsigned long *bytes)
+		unsigned to, get_block_t *get_block, loff_t *bytes)
 {
 	struct address_space *mapping = page->mapping;
 	struct inode *inode = mapping->host;
diff -urN linux-2.5.19/fs/fat/file.c fat-big_file-2.5.19/fs/fat/file.c
--- linux-2.5.19/fs/fat/file.c	Sat Jun  8 03:33:40 2002
+++ fat-big_file-2.5.19/fs/fat/file.c	Sat Jun  8 01:56:24 2002
@@ -54,7 +54,7 @@
 	}
 	if (!create)
 		return 0;
-	if (iblock << sb->s_blocksize_bits != MSDOS_I(inode)->mmu_private) {
+	if (iblock != MSDOS_I(inode)->mmu_private >> sb->s_blocksize_bits) {
 		BUG();
 		return -EIO;
 	}
diff -urN linux-2.5.19/fs/fat/inode.c fat-big_file-2.5.19/fs/fat/inode.c
--- linux-2.5.19/fs/fat/inode.c	Sat Jun  8 03:33:40 2002
+++ fat-big_file-2.5.19/fs/fat/inode.c	Sat Jun  8 01:31:41 2002
@@ -775,6 +775,8 @@
 		sbi->fat_length = CF_LE_L(b->fat32_length);
 		sbi->root_cluster = CF_LE_L(b->root_cluster);
 
+		sb->s_maxbytes = 0xffffffff;
+		
 		/* MC - if info_sector is 0, don't multiply by 0 */
 		sbi->fsinfo_sector = CF_LE_W(b->info_sector);
 		if (sbi->fsinfo_sector == 0)
diff -urN linux-2.5.19/include/linux/buffer_head.h fat-big_file-2.5.19/include/linux/buffer_head.h
--- linux-2.5.19/include/linux/buffer_head.h	Sat Jun  8 03:33:58 2002
+++ fat-big_file-2.5.19/include/linux/buffer_head.h	Sat Jun  8 01:31:01 2002
@@ -197,7 +197,7 @@
 int block_read_full_page(struct page*, get_block_t*);
 int block_prepare_write(struct page*, unsigned, unsigned, get_block_t*);
 int cont_prepare_write(struct page*, unsigned, unsigned, get_block_t*,
-				unsigned long *);
+				loff_t *);
 int generic_cont_expand(struct inode *inode, loff_t size) ;
 int block_commit_write(struct page *page, unsigned from, unsigned to);
 int block_sync_page(struct page *);
diff -urN linux-2.5.19/include/linux/msdos_fs_i.h fat-big_file-2.5.19/include/linux/msdos_fs_i.h
--- linux-2.5.19/include/linux/msdos_fs_i.h	Sat Jun  8 03:33:59 2002
+++ fat-big_file-2.5.19/include/linux/msdos_fs_i.h	Sat Jun  8 01:43:41 2002
@@ -8,7 +8,7 @@
  */
 
 struct msdos_inode_info {
-	unsigned long mmu_private;
+	loff_t mmu_private;
 	int i_start;	/* first cluster or 0 */
 	int i_logstart;	/* logical first cluster */
 	int i_attrs;	/* unused attribute bits */

Re: [2.4.18] vfat doesn't support files > 2GB under Linux, under Windoze it does

[F ker]

 --- OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> wrote: > F ker
<f_ker@yahoo.co.uk> writes:
> 
> > Could someone direct me towards a patch?  Many thanks.
> 
> This patch is for 2.5.19, but, the back porting to 2.5.18 should
> be not difficult.

hmm... so 2.4 series won't be getting it then?  I'm not a kernel
hacker as such, so I can't do it myself.

If I use a journalling fs, should I just move to the 2.5 series?



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Re: [2.4.18] vfat doesn't support files > 2GB under Linux, under Windoze it does

[OGAWA Hirofumi]

F ker <f_ker@yahoo.co.uk> writes:

> > > Could someone direct me towards a patch?  Many thanks.
> > 
> > This patch is for 2.5.19, but, the back porting to 2.5.18 should
                                                       ^^^^^^
Grr. I didn't notice typo.                             2.4.18

> > be not difficult.
> 
> hmm... so 2.4 series won't be getting it then?  I'm not a kernel
> hacker as such, so I can't do it myself.

This patch break some filesystems (adfs, affs, hfs, hpfs, qnx4).
And I haven't fixed them yet. So, I can't submit this patch.

If it's OK, I'll make the patch for 2.4.18.
-- 
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>

Re: [2.4.18] vfat doesn't support files > 2GB under Linux, under Windoze it does

[Tomas Szepe]

> > hmm... so 2.4 series won't be getting it then?  I'm not a kernel
> > hacker as such, so I can't do it myself.
> 
> This patch break some filesystems (adfs, affs, hfs, hpfs, qnx4).
> And I haven't fixed them yet. So, I can't submit this patch.
> 
> If it's OK, I'll make the patch for 2.4.18.

That would be appreciated I believe.

T.

Re: [2.4.18] vfat doesn't support files > 2GB under Linux, under Windoze it does

[F ker]

> 
> This patch break some filesystems (adfs, affs, hfs, hpfs, qnx4).
> And I haven't fixed them yet. So, I can't submit this patch.
> 
> If it's OK, I'll make the patch for 2.4.18.


Any update on the patch yet?



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Re: [2.4.18] vfat doesn't support files > 2GB under Linux, under Windoze it does

[OGAWA Hirofumi]

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F ker <f_ker@yahoo.co.uk> writes:

> > 
> > This patch break some filesystems (adfs, affs, hfs, hpfs, qnx4).
> > And I haven't fixed them yet. So, I can't submit this patch.
> > 
> > If it's OK, I'll make the patch for 2.4.18.
> 
> 
> Any update on the patch yet?

Whether it's needed, there is patch of fat for 2.4.18 and 2.5.19, here.
-- 
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>


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Re: [2.4.18] vfat doesn't support files > 2GB under Linux, under Windoze it does

[Tomas Szepe]

> > > This patch break some filesystems (adfs, affs, hfs, hpfs, qnx4).
> > > And I haven't fixed them yet. So, I can't submit this patch.
> > > 
> > > If it's OK, I'll make the patch for 2.4.18.
> > 
> > 
> > Any update on the patch yet?
> 
> Whether it's needed, there is patch of fat for 2.4.18 and 2.5.19, here.

Any chance you're sending this to Marcelo for possible inclusion in 2.4.20?

T.

Re: [2.4.18] vfat doesn't support files > 2GB under Linux, under Windoze it does

[OGAWA Hirofumi]

Tomas Szepe <szepe@pinerecords.com> writes:

> > > > This patch break some filesystems (adfs, affs, hfs, hpfs, qnx4).
> > > > And I haven't fixed them yet. So, I can't submit this patch.
> > > > 
> > > > If it's OK, I'll make the patch for 2.4.18.
> > > 
> > > 
> > > Any update on the patch yet?
> > 
> > Whether it's needed, there is patch of fat for 2.4.18 and 2.5.19, here.
> 
> Any chance you're sending this to Marcelo for possible inclusion in 2.4.20?

Before, I want to some test on 2.5.x at least. After it, I'll try to
submit a patch...
-- 
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>