#define FLAG_ARRAY 0x0001
#define FLAG_ALIAS 0x0002 /* Data intersects with other field */
+#define FLAG_CSUM 0x0004
struct field_set_info {
const char *name;
static errcode_t parse_string(struct field_set_info *info, char *field, char *arg);
static errcode_t parse_uuid(struct field_set_info *info, char *field, char *arg);
static errcode_t parse_hashalg(struct field_set_info *info, char *field, char *arg);
+static errcode_t parse_encoding(struct field_set_info *info, char *field, char *arg);
static errcode_t parse_time(struct field_set_info *info, char *field, char *arg);
static errcode_t parse_bmap(struct field_set_info *info, char *field, char *arg);
static errcode_t parse_gd_csum(struct field_set_info *info, char *field, char *arg);
+static errcode_t parse_inode_csum(struct field_set_info *info, char *field,
+ char *arg);
static errcode_t parse_mmp_clear(struct field_set_info *info, char *field,
char *arg);
+#if __GNUC_PREREQ (4, 6) || defined(__clang__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
+#endif
static struct field_set_info super_fields[] = {
{ "inodes_count", &set_sb.s_inodes_count, NULL, 4, parse_uint },
{ "usr_quota_inum", &set_sb.s_usr_quota_inum, NULL, 4, parse_uint },
{ "grp_quota_inum", &set_sb.s_grp_quota_inum, NULL, 4, parse_uint },
{ "prj_quota_inum", &set_sb.s_prj_quota_inum, NULL, 4, parse_uint },
- { "overhead_blocks", &set_sb.s_overhead_blocks, NULL, 4, parse_uint },
+ { "overhead_clusters", &set_sb.s_overhead_clusters, NULL, 4, parse_uint },
{ "backup_bgs", &set_sb.s_backup_bgs[0], NULL, 4, parse_uint,
FLAG_ARRAY, 2 },
{ "checksum", &set_sb.s_checksum, NULL, 4, parse_uint },
{ "encrypt_pw_salt", &set_sb.s_encrypt_pw_salt, NULL, 16, parse_uuid },
{ "lpf_ino", &set_sb.s_lpf_ino, NULL, 4, parse_uint },
{ "checksum_seed", &set_sb.s_checksum_seed, NULL, 4, parse_uint },
+ { "encoding", &set_sb.s_encoding, NULL, 2, parse_encoding },
{ 0, 0, 0, 0 }
};
/* Special case: i_file_acl_high is 2 bytes */
{ "file_acl", &set_inode.i_file_acl,
&set_inode.osd2.linux2.l_i_file_acl_high, 6, parse_uint },
- { "dir_acl", &set_inode.i_dir_acl, NULL, 4, parse_uint, FLAG_ALIAS },
{ "faddr", &set_inode.i_faddr, NULL, 4, parse_uint },
{ "frag", &set_inode.osd2.hurd2.h_i_frag, NULL, 1, parse_uint, FLAG_ALIAS },
{ "fsize", &set_inode.osd2.hurd2.h_i_fsize, NULL, 1, parse_uint },
{ "checksum", &set_inode.osd2.linux2.l_i_checksum_lo,
- &set_inode.i_checksum_hi, 2, parse_uint },
+ &set_inode.i_checksum_hi, 2, parse_inode_csum, FLAG_CSUM },
{ "author", &set_inode.osd2.hurd2.h_i_author, NULL,
4, parse_uint, FLAG_ALIAS },
{ "extra_isize", &set_inode.i_extra_isize, NULL,
{ "checksum", &set_mmp.mmp_checksum, NULL, 4, parse_uint },
{ 0, 0, 0, 0 }
};
+#if __GNUC_PREREQ (4, 6)
#pragma GCC diagnostic pop
+#endif
#ifdef UNITTEST
/*
* Note: info->size == 6 is special; this means a base size 4 bytes,
- * and secondiory (high) size of 2 bytes. This is needed for the
+ * and secondary (high) size of 2 bytes. This is needed for the
* special case of i_blocks_high and i_file_acl_high.
*/
static errcode_t parse_uint(struct field_set_info *info, char *field,
n = num & mask;
switch (size) {
case 8:
- /* Should never get here */
- fprintf(stderr, "64-bit field %s has a second 64-bit field\n"
- "defined; BUG?!?\n", info->name);
- *u.ptr64 = 0;
+ *u.ptr64 = n;
break;
case 4:
*u.ptr32 = n;
}
if (!field2)
return 0;
- n = num >> (size*8);
+ n = (size == 8) ? 0 : (num >> (size*8));
u.ptr8 = (__u8 *) field2;
if (info->size == 6)
size = 2;
switch (size) {
case 8:
- *u.ptr64 = n;
+ /* Should never get here */
+ fprintf(stderr, "64-bit field %s has a second 64-bit field\n"
+ "defined; BUG?!?\n", info->name);
+ *u.ptr64 = 0;
break;
case 4:
*u.ptr32 = n;
return 0;
}
+static errcode_t parse_encoding(struct field_set_info *info,
+ char *field EXT2FS_ATTR((unused)), char *arg)
+{
+ int encoding;
+ unsigned char *p = (unsigned char *) info->ptr;
+
+ encoding = e2p_str2encoding(arg);
+ if (encoding < 0)
+ return parse_uint(info, field, arg);
+ *p = encoding;
+ return 0;
+}
+
static errcode_t parse_bmap(struct field_set_info *info,
char *field EXT2FS_ATTR((unused)), char *arg)
{
return parse_uint(info, field, arg);
}
+static errcode_t parse_inode_csum(struct field_set_info *info, char *field,
+ char *arg)
+{
+ errcode_t retval = 0;
+ __u32 crc;
+ int is_large_inode = 0;
+
+ if (strcmp(arg, "calc") == 0) {
+ size_t sz = EXT2_INODE_SIZE(current_fs->super);
+ struct ext2_inode_large *tmp_inode = NULL;
+
+ retval = ext2fs_get_mem(sz, &tmp_inode);
+ if (retval)
+ goto out;
+
+ retval = ext2fs_read_inode_full(current_fs, set_ino,
+ (struct ext2_inode *) tmp_inode,
+ sz);
+ if (retval)
+ goto out;
+
+#ifdef WORDS_BIGENDIAN
+ ext2fs_swap_inode_full(current_fs, tmp_inode,
+ tmp_inode, 1, sz);
+#endif
+
+ if (sz > EXT2_GOOD_OLD_INODE_SIZE)
+ is_large_inode = 1;
+
+ retval = ext2fs_inode_csum_set(current_fs, set_ino,
+ tmp_inode);
+ if (retval)
+ goto out;
+#ifdef WORDS_BIGENDIAN
+ crc = set_inode.i_checksum_lo =
+ ext2fs_swab16(tmp_inode->i_checksum_lo);
+
+#else
+ crc = set_inode.i_checksum_lo = tmp_inode->i_checksum_lo;
+#endif
+ if (is_large_inode &&
+ set_inode.i_extra_isize >=
+ (offsetof(struct ext2_inode_large,
+ i_checksum_hi) -
+ EXT2_GOOD_OLD_INODE_SIZE)) {
+#ifdef WORDS_BIGENDIAN
+ set_inode.i_checksum_lo =
+ ext2fs_swab16(tmp_inode->i_checksum_lo);
+#else
+ set_inode.i_checksum_hi = tmp_inode->i_checksum_hi;
+#endif
+ crc |= ((__u32)set_inode.i_checksum_hi) << 16;
+ }
+ printf("Checksum set to 0x%08x\n", crc);
+ out:
+ ext2fs_free_mem(&tmp_inode);
+ return retval;
+ }
+ return parse_uint(info, field, arg);
+}
+
static void print_possible_fields(struct field_set_info *fields)
{
struct field_set_info *ss;
}
-void do_set_super(int argc, char *argv[])
+void do_set_super(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
{
const char *usage = "<field> <value>\n"
"\t\"set_super_value -l\" will list the names of "
}
}
-void do_set_inode(int argc, char *argv[])
+void do_set_inode(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
{
const char *usage = "<inode> <field> <value>\n"
"\t\"set_inode_field -l\" will list the names of "
if (!set_ino)
return;
- if (debugfs_read_inode_full(set_ino,
- (struct ext2_inode *) &set_inode, argv[1],
- sizeof(set_inode)))
+ if (debugfs_read_inode2(set_ino,
+ (struct ext2_inode *) &set_inode, argv[1],
+ sizeof(set_inode),
+ (ss->flags & FLAG_CSUM) ?
+ READ_INODE_NOCSUM : 0))
return;
if (ss->func(ss, argv[2], argv[3]) == 0) {
- if (debugfs_write_inode_full(set_ino,
- (struct ext2_inode *) &set_inode,
- argv[1], sizeof(set_inode)))
- return;
+ debugfs_write_inode2(set_ino,
+ (struct ext2_inode *) &set_inode,
+ argv[1], sizeof(set_inode),
+ (ss->flags & FLAG_CSUM) ?
+ WRITE_INODE_NOCSUM : 0);
}
}
-void do_set_block_group_descriptor(int argc, char *argv[])
+void do_set_block_group_descriptor(int argc, char *argv[],
+ int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
{
const char *usage = "<bg number> <field> <value>\n"
- "\t\"set_block_group_descriptor -l\" will list the names of "
+ "\t\"set_block_group -l\" will list the names of "
"the fields in a block group descriptor\n\twhich can be set.";
struct field_set_info *table;
struct field_set_info *ss;
return;
}
- if (common_args_process(argc, argv, 4, 4, "set_block_group_descriptor",
+ if (common_args_process(argc, argv, 4, 4, "set_block_group",
usage, CHECK_FS_RW))
return;
}
#ifdef CONFIG_MMP
-void do_set_mmp_value(int argc, char *argv[])
+void do_set_mmp_value(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
{
const char *usage = "<field> <value>\n"
"\t\"set_mmp_value -l\" will list the names of "
}
#else
void do_set_mmp_value(int argc EXT2FS_ATTR((unused)),
- char *argv[] EXT2FS_ATTR((unused)))
+ char *argv[] EXT2FS_ATTR((unused)),
+ int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
{
fprintf(stdout, "MMP is unsupported, please recompile with "
"--enable-mmp\n");
git://git.whamcloud.com / tools / e2fsprogs.git / blobdiff