static int rewrite_dir_block(ext2_filsys fs,
blk64_t *blocknr,
- e2_blkcnt_t blockcnt,
+ e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
blk64_t ref_block EXT2FS_ATTR((unused)),
int ref_offset EXT2FS_ATTR((unused)),
void *priv_data)
ctx->errcode = EXT2_ET_DIR_CORRUPTED;
if (ctx->errcode)
return BLOCK_ABORT;
- de = (struct ext2_dir_entry *)(((void *)de) + rec_len);
+ de = (struct ext2_dir_entry *)(((char *)de) + rec_len);
}
ctx->errcode = ext2fs_get_rec_len(fs, last_de, &rec_len);
if (ctx->errcode)
return BLOCK_ABORT;
- name_size = last_de->name_len & 0xFF;
+ name_size = ext2fs_dirent_name_len(last_de);
if (!EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) {
penultimate_de);
changed = 1;
} else {
- int csum_size = sizeof(struct ext2_dir_entry_tail);
+ unsigned csum_size = sizeof(struct ext2_dir_entry_tail);
struct ext2_dir_entry_tail *t;
/*
return 0;
}
-errcode_t rewrite_directory(ext2_filsys fs, ext2_ino_t dir,
- struct ext2_inode *inode)
+static errcode_t rewrite_directory(ext2_filsys fs, ext2_ino_t dir,
+ struct ext2_inode *inode)
{
errcode_t retval;
struct rewrite_dir_context ctx;
static void rewrite_inodes(ext2_filsys fs)
{
int length = EXT2_INODE_SIZE(fs->super);
- struct ext2_inode *inode;
+ struct ext2_inode *inode, *zero;
char *ea_buf;
ext2_inode_scan scan;
errcode_t retval;
ext2_ino_t ino;
blk64_t file_acl_block;
+ int inode_dirty;
if (fs->super->s_creator_os != EXT2_OS_LINUX)
return;
exit(1);
}
+ retval = ext2fs_get_memzero(length, &zero);
+ if (retval) {
+ com_err("set_csum", retval, "while allocating memory");
+ exit(1);
+ }
+
retval = ext2fs_get_mem(fs->blocksize, &ea_buf);
if (retval) {
com_err("set_csum", retval, "while allocating memory");
}
if (!ino)
break;
+ if (ext2fs_test_inode_bitmap2(fs->inode_map, ino)) {
+ inode_dirty = 1;
+ } else {
+ if (memcmp(inode, zero, length) != 0) {
+ memset(inode, 0, length);
+ inode_dirty = 1;
+ } else {
+ inode_dirty = 0;
+ }
+ }
- retval = ext2fs_write_inode_full(fs, ino, inode, length);
- if (retval) {
- com_err("set_csum", retval, "while writing inode");
- exit(1);
+ if (inode_dirty) {
+ retval = ext2fs_write_inode_full(fs, ino, inode,
+ length);
+ if (retval) {
+ com_err("set_csum", retval, "while writing "
+ "inode");
+ exit(1);
+ }
}
retval = rewrite_extents(fs, ino, inode);
}
} while (ino);
+ ext2fs_free_mem(&zero);
ext2fs_free_mem(&inode);
ext2fs_free_mem(&ea_buf);
ext2fs_close_inode_scan(scan);
static void rewrite_metadata_checksums(ext2_filsys fs)
{
- int i;
+ dgrp_t i;
fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
ext2fs_init_csum_seed(fs);
for (i = 0; i < fs->group_desc_count; i++)
ext2fs_group_desc_csum_set(fs, i);
- rewrite_inodes(fs);
ext2fs_read_bitmaps(fs);
+ rewrite_inodes(fs);
ext2fs_mark_ib_dirty(fs);
ext2fs_mark_bb_dirty(fs);
ext2fs_mmp_update2(fs, 1);
static void enable_uninit_bg(ext2_filsys fs)
{
struct ext2_group_desc *gd;
- int i;
+ dgrp_t i;
for (i = 0; i < fs->group_desc_count; i++) {
gd = ext2fs_group_desc(fs, fs->group_desc, i);
fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
}
+static errcode_t zero_empty_inodes(ext2_filsys fs)
+{
+ int length = EXT2_INODE_SIZE(fs->super);
+ struct ext2_inode *inode;
+ ext2_inode_scan scan;
+ errcode_t retval;
+ ext2_ino_t ino;
+
+ retval = ext2fs_open_inode_scan(fs, 0, &scan);
+ if (retval)
+ goto out;
+
+ retval = ext2fs_get_mem(length, &inode);
+ if (retval)
+ goto out;
+
+ do {
+ retval = ext2fs_get_next_inode_full(scan, &ino, inode, length);
+ if (retval)
+ goto out;
+ if (!ino)
+ break;
+ if (!ext2fs_test_inode_bitmap2(fs->inode_map, ino)) {
+ memset(inode, 0, length);
+ retval = ext2fs_write_inode_full(fs, ino, inode,
+ length);
+ if (retval)
+ goto out;
+ }
+ } while (1);
+
+out:
+ ext2fs_free_mem(&inode);
+ ext2fs_close_inode_scan(scan);
+ return retval;
+}
+
static void disable_uninit_bg(ext2_filsys fs, __u32 csum_feature_flag)
{
struct ext2_group_desc *gd;
- int i;
+ dgrp_t i;
+ errcode_t retval;
+ blk64_t b, c, d;
+ int has_super;
/* Load bitmaps to ensure that the uninit ones get written out */
fs->super->s_feature_ro_compat |= csum_feature_flag;
ext2fs_mark_bb_dirty(fs);
fs->super->s_feature_ro_compat &= ~csum_feature_flag;
+ /* If we're only turning off uninit_bg, zero the inodes */
+ if (csum_feature_flag == EXT4_FEATURE_RO_COMPAT_GDT_CSUM) {
+ retval = zero_empty_inodes(fs);
+ if (retval) {
+ com_err("disable_uninit_bg", retval,
+ "while zeroing unused inodes");
+ request_fsck_afterwards(fs);
+ }
+ }
+
+ /* The bbitmap is zeroed; we must mark group metadata blocks in use */
for (i = 0; i < fs->group_desc_count; i++) {
- gd = ext2fs_group_desc(fs, fs->group_desc, i);
- if ((gd->bg_flags & EXT2_BG_INODE_ZEROED) == 0) {
- /*
- * XXX what we really should do is zap
- * uninitialized inode tables instead.
- */
+ b = ext2fs_block_bitmap_loc(fs, i);
+ ext2fs_mark_block_bitmap2(fs->block_map, EXT2FS_B2C(fs, b));
+ b = ext2fs_inode_bitmap_loc(fs, i);
+ ext2fs_mark_block_bitmap2(fs->block_map, EXT2FS_B2C(fs, b));
+
+ retval = ext2fs_super_and_bgd_loc2(fs, i, &b, &c, &d, NULL);
+ if (retval == 0 && b)
+ ext2fs_mark_block_bitmap2(fs->block_map,
+ EXT2FS_B2C(fs, b));
+ if (retval == 0 && c)
+ ext2fs_mark_block_bitmap2(fs->block_map,
+ EXT2FS_B2C(fs, c));
+ if (retval == 0 && d)
+ ext2fs_mark_block_bitmap2(fs->block_map,
+ EXT2FS_B2C(fs, d));
+ if (retval) {
+ com_err("disable_uninit_bg", retval,
+ "while initializing block bitmaps");
request_fsck_afterwards(fs);
- break;
}
+
+ gd = ext2fs_group_desc(fs, fs->group_desc, i);
gd->bg_itable_unused = 0;
gd->bg_flags = 0;
ext2fs_group_desc_csum_set(fs, i);
}
fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
+ ext2fs_mark_super_dirty(fs);
}
/*
static int update_feature_set(ext2_filsys fs, char *features)
{
struct ext2_super_block *sb = fs->super;
- struct ext2_group_desc *gd;
__u32 old_features[3];
- int i, type_err;
+ int type_err;
unsigned int mask_err;
#define FEATURE_ON(type, mask) (!(old_features[(type)] & (mask)) && \
/* We need to force out the group descriptors as well */
fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
- ext2fs_block_alloc_stats(fs, sb->s_mmp_block, -1);
+ ext2fs_block_alloc_stats2(fs, sb->s_mmp_block, -1);
mmp_error:
sb->s_mmp_block = 0;
sb->s_mmp_update_interval = 0;
return 1;
}
-void handle_quota_options(ext2_filsys fs)
+static void handle_quota_options(ext2_filsys fs)
{
quota_ctx_t qctx;
ext2_ino_t qf_ino;
quota_release_context(&qctx);
if ((usrquota == QOPT_ENABLE) || (grpquota == QOPT_ENABLE)) {
+ fprintf(stderr, _("\nWarning: the quota feature is still "
+ "under development\n"
+ "See https://ext4.wiki.kernel.org/"
+ "index.php/Quota for more information\n\n"));
fs->super->s_feature_ro_compat |= EXT4_FEATURE_RO_COMPAT_QUOTA;
ext2fs_mark_super_dirty(fs);
} else if (!fs->super->s_usr_quota_inum &&
return;
}
-void parse_quota_opts(const char *opts)
+static void parse_quota_opts(const char *opts)
{
char *buf, *token, *next, *p;
int len;
*io_options++ = 0;
device_name = blkid_get_devname(NULL, argv[optind], NULL);
if (!device_name) {
- com_err("tune2fs", 0, _("Unable to resolve '%s'"),
+ com_err(program_name, 0, _("Unable to resolve '%s'"),
argv[optind]);
exit(1);
}
strcmp(token, "clear_mmp") == 0) {
clear_mmp = 1;
} else if (strcmp(token, "mmp_update_interval") == 0) {
- unsigned long interval;
+ unsigned long intv;
if (!arg) {
r_usage++;
continue;
}
- interval = strtoul(arg, &p, 0);
+ intv = strtoul(arg, &p, 0);
if (*p) {
fprintf(stderr,
_("Invalid mmp_update_interval: %s\n"),
r_usage++;
continue;
}
- if (interval == 0) {
- interval = EXT4_MMP_UPDATE_INTERVAL;
- } else if (interval > EXT4_MMP_MAX_UPDATE_INTERVAL) {
+ if (intv == 0) {
+ intv = EXT4_MMP_UPDATE_INTERVAL;
+ } else if (intv > EXT4_MMP_MAX_UPDATE_INTERVAL) {
fprintf(stderr,
_("mmp_update_interval too big: %lu\n"),
- interval);
+ intv);
r_usage++;
continue;
}
printf(P_("Setting multiple mount protection update "
"interval to %lu second\n",
"Setting multiple mount protection update "
- "interval to %lu seconds\n", interval),
- interval);
- fs->super->s_mmp_update_interval = interval;
+ "interval to %lu seconds\n", intv),
+ intv);
+ fs->super->s_mmp_update_interval = intv;
ext2fs_mark_super_dirty(fs);
} else if (!strcmp(token, "test_fs")) {
fs->super->s_flags |= EXT2_FLAGS_TEST_FILESYS;
return 0;
}
-static int ext2fs_is_meta_block(ext2_filsys fs, blk_t blk)
+static int ext2fs_is_meta_block(ext2_filsys fs, blk64_t blk)
{
dgrp_t group;
- group = ext2fs_group_of_blk(fs, blk);
+ group = ext2fs_group_of_blk2(fs, blk);
if (ext2fs_block_bitmap_loc(fs, group) == blk)
return 1;
if (ext2fs_inode_bitmap_loc(fs, group) == blk)
return 0;
}
-static int ext2fs_is_block_in_group(ext2_filsys fs, dgrp_t group, blk_t blk)
+static int ext2fs_is_block_in_group(ext2_filsys fs, dgrp_t group, blk64_t blk)
{
- blk_t start_blk, end_blk;
+ blk64_t start_blk, end_blk;
start_blk = fs->super->s_first_data_block +
EXT2_BLOCKS_PER_GROUP(fs->super) * group;
/*
* the respective fs metadata pointers. Otherwise
* fail
*/
- group = ext2fs_group_of_blk(fs, blk);
+ group = ext2fs_group_of_blk2(fs, blk);
goal = ext2fs_group_first_block2(fs, group);
meta_data = 1;
static int group_desc_scan_and_fix(ext2_filsys fs, ext2fs_block_bitmap bmap)
{
dgrp_t i;
- blk_t blk, new_blk;
+ blk64_t blk, new_blk;
for (i = 0; i < fs->group_desc_count; i++) {
blk = ext2fs_block_bitmap_loc(fs, i);
rc = 1;
goto closefs;
}
+ if (new_inode_size > fs->blocksize) {
+ fprintf(stderr, _("Invalid inode size %lu (max %d)\n"),
+ new_inode_size, fs->blocksize);
+ rc = 1;
+ goto closefs;
+ }
/*
* If inode resize is requested use the