#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
+#include <assert.h>
#if HAVE_STRINGS_H
#include <strings.h>
#endif
#include "debugfs.h"
#include "uuid/uuid.h"
#include "e2p/e2p.h"
+#include "support/quotaio.h"
static struct ext2_super_block set_sb;
static struct ext2_inode_large set_inode;
static struct ext2_group_desc set_gd;
static struct ext4_group_desc set_gd4;
+static struct mmp_struct set_mmp;
static dgrp_t set_bg;
static ext2_ino_t set_ino;
static int array_idx;
#define FLAG_ARRAY 0x0001
+#define FLAG_ALIAS 0x0002 /* Data intersects with other field */
struct field_set_info {
const char *name;
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_mmp_clear(struct field_set_info *info, char *field,
+ char *arg);
+
+#if __GNUC_PREREQ (4, 6)
+#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 },
{ "uuid", &set_sb.s_uuid, NULL, 16, parse_uuid },
{ "volume_name", &set_sb.s_volume_name, NULL, 16, parse_string },
{ "last_mounted", &set_sb.s_last_mounted, NULL, 64, parse_string },
- { "lastcheck", &set_sb.s_lastcheck, NULL, 4, parse_uint },
{ "algorithm_usage_bitmap", &set_sb.s_algorithm_usage_bitmap, NULL,
4, parse_uint },
{ "prealloc_blocks", &set_sb.s_prealloc_blocks, NULL, 1, parse_uint },
{ "want_extra_isize", &set_sb.s_want_extra_isize, NULL, 2, parse_uint },
{ "flags", &set_sb.s_flags, NULL, 4, parse_uint },
{ "raid_stride", &set_sb.s_raid_stride, NULL, 2, parse_uint },
- { "min_extra_isize", &set_sb.s_min_extra_isize, NULL, 4, parse_uint },
- { "mmp_interval", &set_sb.s_mmp_interval, NULL, 2, parse_uint },
+ { "mmp_interval", &set_sb.s_mmp_update_interval, NULL, 2, parse_uint },
{ "mmp_block", &set_sb.s_mmp_block, NULL, 8, parse_uint },
{ "raid_stripe_width", &set_sb.s_raid_stripe_width, NULL, 4, parse_uint },
{ "log_groups_per_flex", &set_sb.s_log_groups_per_flex, NULL, 1, parse_uint },
{ "mount_opts", &set_sb.s_mount_opts, NULL, 64, parse_string },
{ "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 },
+ { "backup_bgs", &set_sb.s_backup_bgs[0], NULL, 4, parse_uint,
+ FLAG_ARRAY, 2 },
{ "checksum", &set_sb.s_checksum, NULL, 4, parse_uint },
+ { "checksum_type", &set_sb.s_checksum_type, NULL, 1, parse_uint },
+ { "encryption_level", &set_sb.s_encryption_level, NULL, 1, parse_uint },
+ { "error_count", &set_sb.s_error_count, NULL, 4, parse_uint },
+ { "first_error_time", &set_sb.s_first_error_time, NULL, 4, parse_time },
+ { "first_error_ino", &set_sb.s_first_error_ino, NULL, 4, parse_uint },
+ { "first_error_block", &set_sb.s_first_error_block, NULL, 8, parse_uint },
+ { "first_error_func", &set_sb.s_first_error_func, NULL, 32, parse_string },
+ { "first_error_line", &set_sb.s_first_error_line, NULL, 4, parse_uint },
+ { "last_error_time", &set_sb.s_last_error_time, NULL, 4, parse_time },
+ { "last_error_ino", &set_sb.s_last_error_ino, NULL, 4, parse_uint },
+ { "last_error_block", &set_sb.s_last_error_block, NULL, 8, parse_uint },
+ { "last_error_func", &set_sb.s_last_error_func, NULL, 32, parse_string },
+ { "last_error_line", &set_sb.s_last_error_line, NULL, 4, parse_uint },
+ { "encrypt_algos", &set_sb.s_encrypt_algos, NULL, 1, parse_uint,
+ FLAG_ARRAY, 4 },
+ { "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 },
{ 0, 0, 0, 0 }
};
static struct field_set_info inode_fields[] = {
- { "inodes_count", &set_sb.s_inodes_count, NULL, 4, parse_uint },
{ "mode", &set_inode.i_mode, NULL, 2, parse_uint },
{ "uid", &set_inode.i_uid, &set_inode.osd2.linux2.l_i_uid_high,
2, parse_uint },
{ "size", &set_inode.i_size, &set_inode.i_size_high, 4, parse_uint },
- { "atime", &set_inode.i_atime, NULL, 4, parse_time },
- { "ctime", &set_inode.i_ctime, NULL, 4, parse_time },
- { "mtime", &set_inode.i_mtime, NULL, 4, parse_time },
- { "dtime", &set_inode.i_dtime, NULL, 4, parse_time },
+ { "atime", &set_inode.i_atime, &set_inode.i_atime_extra,
+ 4, parse_time },
+ { "ctime", &set_inode.i_ctime, &set_inode.i_ctime_extra,
+ 4, parse_time },
+ { "mtime", &set_inode.i_mtime, &set_inode.i_mtime_extra,
+ 4, parse_time },
+ { "dtime", &set_inode.i_dtime, NULL,
+ 4, parse_time },
{ "gid", &set_inode.i_gid, &set_inode.osd2.linux2.l_i_gid_high,
2, parse_uint },
{ "links_count", &set_inode.i_links_count, NULL, 2, parse_uint },
{ "flags", &set_inode.i_flags, NULL, 4, parse_uint },
{ "version", &set_inode.osd1.linux1.l_i_version,
&set_inode.i_version_hi, 4, parse_uint },
- { "translator", &set_inode.osd1.hurd1.h_i_translator, NULL, 4, parse_uint },
+ { "translator", &set_inode.osd1.hurd1.h_i_translator, NULL,
+ 4, parse_uint, FLAG_ALIAS },
{ "block", &set_inode.i_block[0], NULL, 4, parse_uint, FLAG_ARRAY,
EXT2_NDIR_BLOCKS },
{ "block[IND]", &set_inode.i_block[EXT2_IND_BLOCK], NULL, 4, parse_uint },
/* 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 },
{ "faddr", &set_inode.i_faddr, NULL, 4, parse_uint },
- { "frag", &set_inode.osd2.hurd2.h_i_frag, NULL, 1, 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 },
{ "author", &set_inode.osd2.hurd2.h_i_author, NULL,
- 4, parse_uint },
+ 4, parse_uint, FLAG_ALIAS },
{ "extra_isize", &set_inode.i_extra_isize, NULL,
2, parse_uint },
{ "ctime_extra", &set_inode.i_ctime_extra, NULL,
- 4, parse_uint },
+ 4, parse_uint, FLAG_ALIAS },
{ "mtime_extra", &set_inode.i_mtime_extra, NULL,
- 4, parse_uint },
+ 4, parse_uint, FLAG_ALIAS },
{ "atime_extra", &set_inode.i_atime_extra, NULL,
- 4, parse_uint },
- { "crtime", &set_inode.i_crtime, NULL, 4, parse_uint },
+ 4, parse_uint, FLAG_ALIAS },
+ { "crtime", &set_inode.i_crtime, &set_inode.i_crtime_extra,
+ 4, parse_time },
{ "crtime_extra", &set_inode.i_crtime_extra, NULL,
- 4, parse_uint },
+ 4, parse_uint, FLAG_ALIAS },
+ { "projid", &set_inode.i_projid, NULL, 4, parse_uint },
{ "bmap", NULL, NULL, 4, parse_bmap, FLAG_ARRAY },
{ 0, 0, 0, 0 }
};
{ 0, 0, 0, 0 }
};
+static struct field_set_info mmp_fields[] = {
+ { "clear", &set_mmp.mmp_magic, NULL, sizeof(set_mmp),
+ parse_mmp_clear, FLAG_ALIAS },
+ { "magic", &set_mmp.mmp_magic, NULL, 4, parse_uint },
+ { "seq", &set_mmp.mmp_seq, NULL, 4, parse_uint },
+ { "time", &set_mmp.mmp_time, NULL, 8, parse_uint },
+ { "nodename", &set_mmp.mmp_nodename, NULL, sizeof(set_mmp.mmp_nodename),
+ parse_string },
+ { "bdevname", &set_mmp.mmp_bdevname, NULL, sizeof(set_mmp.mmp_bdevname),
+ parse_string },
+ { "check_interval", &set_mmp.mmp_check_interval, NULL, 2, parse_uint },
+ { "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
+
+
+static void do_verify_field_set_info(struct field_set_info *fields,
+ const void *data, size_t size)
+{
+ struct field_set_info *ss, *ss2;
+ const char *begin = (char *)data;
+ const char *end = begin + size;
+
+ for (ss = fields ; ss->name ; ss++) {
+ const char *ptr;
+
+ /* Check pointers */
+ ptr = ss->ptr;
+ assert(!ptr || (ptr >= begin && ptr < end));
+ ptr = ss->ptr2;
+ assert(!ptr || (ptr >= begin && ptr < end));
+
+ /* Check function */
+ assert(ss->func);
+
+ for (ss2 = fields ; ss2 != ss ; ss2++) {
+ /* Check duplicate names */
+ assert(strcmp(ss->name, ss2->name));
+
+ if (ss->flags & FLAG_ALIAS || ss2->flags & FLAG_ALIAS)
+ continue;
+ /* Check false aliases, might be copy-n-paste error */
+ assert(!ss->ptr || (ss->ptr != ss2->ptr &&
+ ss->ptr != ss2->ptr2));
+ assert(!ss->ptr2 || (ss->ptr2 != ss2->ptr &&
+ ss->ptr2 != ss2->ptr2));
+ }
+ }
+}
+
+int main(int argc, char **argv)
+{
+ do_verify_field_set_info(super_fields, &set_sb, sizeof(set_sb));
+ do_verify_field_set_info(inode_fields, &set_inode, sizeof(set_inode));
+ do_verify_field_set_info(ext2_bg_fields, &set_gd, sizeof(set_gd));
+ do_verify_field_set_info(ext4_bg_fields, &set_gd4, sizeof(set_gd4));
+ do_verify_field_set_info(mmp_fields, &set_mmp, sizeof(set_mmp));
+ return 0;
+}
+
+ext2_filsys current_fs;
+ext2_ino_t root, cwd;
+
+#endif /* UNITTEST */
+
static int check_suffix(const char *field)
{
int len = strlen(field);
*/
if (idx) {
array_idx = strtol(idx, &tmp, 0);
- if (*tmp)
+ if (*tmp) {
+ *(--idx) = '[';
+ *delim = ']';
idx = 0;
+ }
}
/*
/*
* 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:
- *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;
}
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;
return 0;
}
-static errcode_t parse_int(struct field_set_info *info, char *field, char *arg)
+static errcode_t parse_int(struct field_set_info *info,
+ char *field EXT2FS_ATTR((unused)), char *arg)
{
long num;
char *tmp;
return 0;
}
-static errcode_t parse_string(struct field_set_info *info, char *field,
- char *arg)
+static errcode_t parse_string(struct field_set_info *info,
+ char *field EXT2FS_ATTR((unused)), char *arg)
{
char *cp = (char *) info->ptr;
return 0;
}
-static errcode_t parse_time(struct field_set_info *info, char *field, char *arg)
+static errcode_t parse_time(struct field_set_info *info,
+ char *field, char *arg)
{
- time_t t;
- __u32 *ptr32;
+ __s64 t;
+ __u32 t_low, t_high;
+ __u32 *ptr_low, *ptr_high;
- ptr32 = (__u32 *) info->ptr;
+ if (check_suffix(field))
+ return parse_uint(info, field, arg);
+
+ ptr_low = (__u32 *) info->ptr;
+ ptr_high = (__u32 *) info->ptr2;
t = string_to_time(arg);
- if (t == ((time_t) -1)) {
+ if (t == -1) {
fprintf(stderr, "Couldn't parse '%s' for field %s.\n",
arg, info->name);
return EINVAL;
}
- *ptr32 = t;
+ t_low = (__u32) t;
+ t_high = ((t - (__s32)t) >> 32) & EXT4_EPOCH_MASK;
+ *ptr_low = t_low;
+ if (ptr_high)
+ *ptr_high = (*ptr_high & ~EXT4_EPOCH_MASK) | t_high;
return 0;
}
-static errcode_t parse_uuid(struct field_set_info *info, char *field, char *arg)
+static errcode_t parse_uuid(struct field_set_info *info,
+ char *field EXT2FS_ATTR((unused)), char *arg)
{
unsigned char * p = (unsigned char *) info->ptr;
return 0;
}
-static errcode_t parse_hashalg(struct field_set_info *info, char *field,
- char *arg)
+static errcode_t parse_hashalg(struct field_set_info *info,
+ char *field EXT2FS_ATTR((unused)), char *arg)
{
int hashv;
unsigned char *p = (unsigned char *) info->ptr;
return 0;
}
-static errcode_t parse_bmap(struct field_set_info *info, char *field,
- char *arg)
+static errcode_t parse_bmap(struct field_set_info *info,
+ char *field EXT2FS_ATTR((unused)), char *arg)
{
- unsigned long num;
- blk_t blk;
+ blk64_t blk;
errcode_t retval;
char *tmp;
- num = strtoul(arg, &tmp, 0);
+ blk = strtoull(arg, &tmp, 0);
if (*tmp) {
fprintf(stderr, "Couldn't parse '%s' for field %s.\n",
arg, info->name);
return EINVAL;
}
- blk = num;
- retval = ext2fs_bmap(current_fs, set_ino,
- (struct ext2_inode *) &set_inode,
- 0, BMAP_SET, array_idx, &blk);
+ retval = ext2fs_bmap2(current_fs, set_ino,
+ (struct ext2_inode *) &set_inode,
+ NULL, BMAP_ALLOC | BMAP_SET, array_idx, NULL,
+ &blk);
if (retval) {
com_err("set_inode", retval, "while setting block map");
}
static errcode_t parse_gd_csum(struct field_set_info *info, char *field,
char *arg)
{
+ __u16 *checksum = info->ptr;
if (strcmp(arg, "calc") == 0) {
- ext2fs_group_desc_csum_set(current_fs, set_bg);
- memcpy(&set_gd, ext2fs_group_desc(current_fs,
- current_fs->group_desc,
- set_bg),
- sizeof(set_gd));
- printf("Checksum set to 0x%04x\n",
- ext2fs_bg_checksum(current_fs, set_bg));
+ *checksum = ext2fs_group_desc_csum(current_fs, set_bg);
+ printf("Checksum set to 0x%04x\n", *checksum);
return 0;
}
-
return parse_uint(info, field, arg);
}
} else if (fields == inode_fields) {
type = "Inode";
cmd = "set_inode";
+ } else if (fields == mmp_fields) {
+ type = "MMP";
+ cmd = "set_mmp_value";
} else {
type = "Block group descriptor";
cmd = "set_block_group";
void do_set_block_group_descriptor(int argc, char *argv[])
{
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;
int size;
/*
- *Determine whether we are editing an ext2 or ext4 block
- * group descriptor
+ * Determine whether we are editing an ext2 or ext4 block group
+ * descriptor. Descriptors larger than ext4_group_desc cannot
+ * have their fields edited yet, because they do not have any
+ * names assigned. When that happens, this function needs to
+ * be updated for the new descriptor struct and fields.
*/
- if (current_fs && current_fs->super->s_feature_incompat &
- EXT4_FEATURE_INCOMPAT_64BIT) {
+ if (current_fs &&
+ EXT2_DESC_SIZE(current_fs->super) >= EXT2_MIN_DESC_SIZE_64BIT) {
table = ext4_bg_fields;
edit = &set_gd4;
size = sizeof(set_gd4);
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;
ext2fs_mark_super_dirty(current_fs);
}
}
+
+static errcode_t parse_mmp_clear(struct field_set_info *info,
+ char *field EXT2FS_ATTR((unused)),
+ char *arg EXT2FS_ATTR((unused)))
+{
+ errcode_t retval;
+
+ retval = ext2fs_mmp_clear(current_fs);
+ if (retval != 0)
+ com_err("set_mmp_value", retval, "while clearing MMP block\n");
+ else
+ memcpy(info->ptr, current_fs->mmp_buf, info->size);
+
+ return 1; /* we don't need the MMP block written again */
+}
+
+#ifdef CONFIG_MMP
+void do_set_mmp_value(int argc, char *argv[])
+{
+ const char *usage = "<field> <value>\n"
+ "\t\"set_mmp_value -l\" will list the names of "
+ "MMP fields\n\twhich can be set.";
+ static struct field_set_info *smmp;
+ struct mmp_struct *mmp_s;
+ errcode_t retval;
+
+ if (argc == 2 && strcmp(argv[1], "-l") == 0) {
+ print_possible_fields(mmp_fields);
+ return;
+ }
+
+ if (check_fs_open(argv[0]))
+ return;
+
+ if (current_fs->super->s_mmp_block == 0) {
+ com_err(argv[0], 0, "no MMP block allocated\n");
+ return;
+ }
+
+ if (common_args_process(argc, argv, 2, 3, "set_mmp_value",
+ usage, CHECK_FS_RW))
+ return;
+
+ mmp_s = current_fs->mmp_buf;
+ if (mmp_s == NULL) {
+ retval = ext2fs_get_mem(current_fs->blocksize, &mmp_s);
+ if (retval) {
+ com_err(argv[0], retval, "allocating MMP buffer\n");
+ return;
+ }
+ retval = ext2fs_mmp_read(current_fs,
+ current_fs->super->s_mmp_block, mmp_s);
+ if (retval) {
+ com_err(argv[0], retval, "reading MMP block %llu.\n",
+ (long long)current_fs->super->s_mmp_block);
+ ext2fs_free_mem(&mmp_s);
+ return;
+ }
+ current_fs->mmp_buf = mmp_s;
+ }
+
+ smmp = find_field(mmp_fields, argv[1]);
+ if (smmp == 0) {
+ com_err(argv[0], 0, "invalid field specifier: %s", argv[1]);
+ return;
+ }
+
+ set_mmp = *mmp_s;
+ if (smmp->func(smmp, argv[1], argv[2]) == 0) {
+ ext2fs_mmp_write(current_fs, current_fs->super->s_mmp_block,
+ &set_mmp);
+ *mmp_s = set_mmp;
+ }
+}
+#else
+void do_set_mmp_value(int argc EXT2FS_ATTR((unused)),
+ char *argv[] EXT2FS_ATTR((unused)))
+{
+ fprintf(stdout, "MMP is unsupported, please recompile with "
+ "--enable-mmp\n");
+}
+#endif
+
git://git.whamcloud.com / tools / e2fsprogs.git / blobdiff