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This commit is contained in:
Tim Riker
2006-01-25 00:08:53 +00:00
parent f64ff682a3
commit c1ef7bdd8d
254 changed files with 2002 additions and 2002 deletions
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40
e2fsprogs/ext2fs/openfs.c
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@ -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;