diff options
Diffstat (limited to 'e2fsprogs/ext2fs/openfs.c')
| -rw-r--r-- | e2fsprogs/ext2fs/openfs.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/e2fsprogs/ext2fs/openfs.c b/e2fsprogs/ext2fs/openfs.c index e8f1649..aa60333 100644 --- a/e2fsprogs/ext2fs/openfs.c +++ b/e2fsprogs/ext2fs/openfs.c @@ -1,8 +1,8 @@ /* * openfs.c --- open an ext2 filesystem - * + * * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. - * + * * %Begin-Header% * This file may be redistributed under the terms of the GNU Public * License. @@ -42,7 +42,7 @@ blk_t ext2fs_descriptor_block_loc(ext2_filsys fs, blk_t group_block, dgrp_t i) bg = (fs->blocksize / sizeof (struct ext2_group_desc)) * i; if (ext2fs_bg_has_super(fs, bg)) has_super = 1; - ret_blk = (fs->super->s_first_data_block + has_super + + ret_blk = (fs->super->s_first_data_block + has_super + (bg * fs->super->s_blocks_per_group)); /* * If group_block is not the normal value, we're trying to use @@ -60,27 +60,27 @@ blk_t ext2fs_descriptor_block_loc(ext2_filsys fs, blk_t group_block, dgrp_t i) } errcode_t ext2fs_open(const char *name, int flags, int superblock, - unsigned int block_size, io_manager manager, + unsigned int block_size, io_manager manager, ext2_filsys *ret_fs) { - return ext2fs_open2(name, 0, flags, superblock, block_size, + return ext2fs_open2(name, 0, flags, superblock, block_size, manager, ret_fs); } /* * Note: if superblock is non-zero, block-size must also be non-zero. - * Superblock and block_size can be zero to use the default size. + * Superblock and block_size can be zero to use the default size. * * Valid flags for ext2fs_open() - * - * EXT2_FLAG_RW - Open the filesystem for read/write. - * EXT2_FLAG_FORCE - Open the filesystem even if some of the + * + * EXT2_FLAG_RW - Open the filesystem for read/write. + * EXT2_FLAG_FORCE - Open the filesystem even if some of the * features aren't supported. * EXT2_FLAG_JOURNAL_DEV_OK - Open an ext3 journal device */ errcode_t ext2fs_open2(const char *name, const char *io_options, int flags, int superblock, - unsigned int block_size, io_manager manager, + unsigned int block_size, io_manager manager, ext2_filsys *ret_fs) { ext2_filsys fs; @@ -93,13 +93,13 @@ errcode_t ext2fs_open2(const char *name, const char *io_options, int j; struct ext2_group_desc *gdp; #endif - + EXT2_CHECK_MAGIC(manager, EXT2_ET_MAGIC_IO_MANAGER); retval = ext2fs_get_mem(sizeof(struct struct_ext2_filsys), &fs); if (retval) return retval; - + memset(fs, 0, sizeof(struct struct_ext2_filsys)); fs->magic = EXT2_ET_MAGIC_EXT2FS_FILSYS; fs->flags = flags; @@ -113,13 +113,13 @@ errcode_t ext2fs_open2(const char *name, const char *io_options, *cp++ = 0; io_options = cp; } - - retval = manager->open(fs->device_name, + + retval = manager->open(fs->device_name, (flags & EXT2_FLAG_RW) ? IO_FLAG_RW : 0, &fs->io); if (retval) goto cleanup; - if (io_options && + if (io_options && (retval = io_channel_set_options(fs->io, io_options))) goto cleanup; fs->image_io = fs->io; @@ -183,7 +183,7 @@ errcode_t ext2fs_open2(const char *name, const char *io_options, ext2fs_swap_super(fs->super); } #endif - + if (fs->super->s_magic != EXT2_SUPER_MAGIC) { retval = EXT2_ET_BAD_MAGIC; goto cleanup; @@ -215,7 +215,7 @@ errcode_t ext2fs_open2(const char *name, const char *io_options, goto cleanup; } } - + fs->blocksize = EXT2_BLOCK_SIZE(fs->super); if (fs->blocksize == 0) { retval = EXT2_ET_CORRUPT_SUPERBLOCK; @@ -247,7 +247,7 @@ errcode_t ext2fs_open2(const char *name, const char *io_options, *ret_fs = fs; return 0; } - + /* * Read group descriptors */ @@ -296,7 +296,7 @@ cleanup: /* * Set/get the filesystem data I/O channel. - * + * * These functions are only valid if EXT2_FLAG_IMAGE_FILE is true. */ errcode_t ext2fs_get_data_io(ext2_filsys fs, io_channel *old_io) @@ -322,7 +322,7 @@ errcode_t ext2fs_rewrite_to_io(ext2_filsys fs, io_channel new_io) if ((fs->flags & EXT2_FLAG_IMAGE_FILE) == 0) return EXT2_ET_NOT_IMAGE_FILE; fs->io = fs->image_io = new_io; - fs->flags |= EXT2_FLAG_DIRTY | EXT2_FLAG_RW | + fs->flags |= EXT2_FLAG_DIRTY | EXT2_FLAG_RW | EXT2_FLAG_BB_DIRTY | EXT2_FLAG_IB_DIRTY; fs->flags &= ~EXT2_FLAG_IMAGE_FILE; return 0; |