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>
--=-=-= Content-Disposition: attachment; filename=fat-big_file-2.5.19.diff
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 */
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