fix_problem(ctx, PR_1B_BLOCK_ITERATE, &pctx);
if (ctx->inode_bad_map)
ext2fs_unmark_inode_bitmap2(ctx->inode_bad_map, ino);
- ext2fs_inode_alloc_stats2(fs, ino, -1, LINUX_S_ISDIR(inode.i_mode));
- quota_data_sub(ctx->qctx, &inode, ino, pb.dup_blocks * fs->blocksize);
- quota_data_inodes(ctx->qctx, &inode, ino, -1);
+ ext2fs_inode_alloc_stats2(fs, ino, -1, LINUX_S_ISDIR(dp->inode.i_mode));
+ quota_data_sub(ctx->qctx, &dp->inode, ino,
+ pb.dup_blocks * fs->blocksize);
+ quota_data_inodes(ctx->qctx, &dp->inode, ino, -1);
/* Inode may have changed by block_iterate, so reread it */
- e2fsck_read_inode(ctx, ino, &inode, "delete_file");
- e2fsck_clear_inode(ctx, ino, &inode, 0, "delete_file");
- if (ext2fs_file_acl_block(fs, &inode) &&
+ e2fsck_read_inode(ctx, ino, &dp->inode, "delete_file");
+ e2fsck_clear_inode(ctx, ino, &dp->inode, 0, "delete_file");
+ if (ext2fs_file_acl_block(fs, &dp->inode) &&
(fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_EXT_ATTR)) {
count = 1;
- pctx.errcode = ext2fs_adjust_ea_refcount2(fs,
+ pctx.errcode = ext2fs_adjust_ea_refcount3(fs,
- ext2fs_file_acl_block(fs, &inode),
+ ext2fs_file_acl_block(fs, &dp->inode),
- block_buf, -1, &count);
+ block_buf, -1, &count, ino);
if (pctx.errcode == EXT2_ET_BAD_EA_BLOCK_NUM) {
pctx.errcode = 0;
count = 1;
printf(_("(and reboot afterwards!)\n"));
}
- int i;
+/* Rewrite extents */
+static errcode_t rewrite_extents(ext2_filsys fs, ext2_ino_t ino,
+ struct ext2_inode *inode)
+{
+ ext2_extent_handle_t handle;
+ struct ext2fs_extent extent;
+ int op = EXT2_EXTENT_ROOT;
+ errcode_t errcode;
+
+ if (!(inode->i_flags & EXT4_EXTENTS_FL))
+ return 0;
+
+ errcode = ext2fs_extent_open(fs, ino, &handle);
+ if (errcode)
+ return errcode;
+
+ while (1) {
+ errcode = ext2fs_extent_get(handle, op, &extent);
+ if (errcode)
+ break;
+
+ /* Root node is in the separately checksummed inode */
+ if (op == EXT2_EXTENT_ROOT) {
+ op = EXT2_EXTENT_NEXT;
+ continue;
+ }
+ op = EXT2_EXTENT_NEXT;
+
+ /* Only visit the first extent in each extent block */
+ if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)
+ continue;
+ errcode = ext2fs_extent_replace(handle, 0, &extent);
+ if (errcode)
+ break;
+ }
+
+ /* Ok if we run off the end */
+ if (errcode == EXT2_ET_EXTENT_NO_NEXT)
+ errcode = 0;
+ return errcode;
+}
+
+/*
+ * Rewrite directory blocks with checksums
+ */
+struct rewrite_dir_context {
+ char *buf;
+ errcode_t errcode;
+ ext2_ino_t dir;
+ int is_htree;
+};
+
+static int rewrite_dir_block(ext2_filsys fs,
+ blk64_t *blocknr,
+ e2_blkcnt_t blockcnt,
+ blk64_t ref_block EXT2FS_ATTR((unused)),
+ int ref_offset EXT2FS_ATTR((unused)),
+ void *priv_data)
+{
+ struct ext2_dx_countlimit *dcl = NULL;
+ struct rewrite_dir_context *ctx = priv_data;
+ int dcl_offset, changed = 0;
+
+ ctx->errcode = ext2fs_read_dir_block4(fs, *blocknr, ctx->buf, 0,
+ ctx->dir);
+ if (ctx->errcode)
+ return BLOCK_ABORT;
+
+ /* if htree node... */
+ if (ctx->is_htree)
+ ext2fs_get_dx_countlimit(fs, (struct ext2_dir_entry *)ctx->buf,
+ &dcl, &dcl_offset);
+ if (dcl) {
+ if (!EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) {
+ /* Ensure limit is the max size */
+ int max_entries = (fs->blocksize - dcl_offset) /
+ sizeof(struct ext2_dx_entry);
+ if (ext2fs_le16_to_cpu(dcl->limit) != max_entries) {
+ changed = 1;
+ dcl->limit = ext2fs_cpu_to_le16(max_entries);
+ }
+ } else {
+ /* If htree block is full then rebuild the dir */
+ if (ext2fs_le16_to_cpu(dcl->count) ==
+ ext2fs_le16_to_cpu(dcl->limit)) {
+ request_dir_fsck_afterwards(fs);
+ return 0;
+ }
+ /*
+ * Ensure dcl->limit is small enough to leave room for
+ * the checksum tail.
+ */
+ int max_entries = (fs->blocksize - (dcl_offset +
+ sizeof(struct ext2_dx_tail))) /
+ sizeof(struct ext2_dx_entry);
+ if (ext2fs_le16_to_cpu(dcl->limit) != max_entries)
+ dcl->limit = ext2fs_cpu_to_le16(max_entries);
+ /* Always rewrite checksum */
+ changed = 1;
+ }
+ } else {
+ unsigned int rec_len, name_size;
+ char *top = ctx->buf + fs->blocksize;
+ struct ext2_dir_entry *de = (struct ext2_dir_entry *)ctx->buf;
+ struct ext2_dir_entry *last_de = NULL, *penultimate_de = NULL;
+
+ /* Find last and penultimate dirent */
+ while ((char *)de < top) {
+ penultimate_de = last_de;
+ last_de = de;
+ ctx->errcode = ext2fs_get_rec_len(fs, de, &rec_len);
+ if (!ctx->errcode && !rec_len)
+ ctx->errcode = EXT2_ET_DIR_CORRUPTED;
+ if (ctx->errcode)
+ return BLOCK_ABORT;
+ de = (struct ext2_dir_entry *)(((void *)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;
+
+ if (!EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) {
+ if (!penultimate_de)
+ return 0;
+ if (last_de->inode ||
+ name_size ||
+ rec_len != sizeof(struct ext2_dir_entry_tail))
+ return 0;
+ /*
+ * The last dirent is unused and the right length to
+ * have stored a checksum. Erase it.
+ */
+ ctx->errcode = ext2fs_get_rec_len(fs, penultimate_de,
+ &rec_len);
+ if (!rec_len)
+ ctx->errcode = EXT2_ET_DIR_CORRUPTED;
+ if (ctx->errcode)
+ return BLOCK_ABORT;
+ ext2fs_set_rec_len(fs, rec_len +
+ sizeof(struct ext2_dir_entry_tail),
+ penultimate_de);
+ changed = 1;
+ } else {
+ int csum_size = sizeof(struct ext2_dir_entry_tail);
+ struct ext2_dir_entry_tail *t;
+
+ /*
+ * If the last dirent looks like the tail, just update
+ * the checksum.
+ */
+ if (!last_de->inode &&
+ rec_len == csum_size) {
+ t = (struct ext2_dir_entry_tail *)last_de;
+ t->det_reserved_name_len =
+ EXT2_DIR_NAME_LEN_CSUM;
+ changed = 1;
+ goto out;
+ }
+ if (name_size & 3)
+ name_size = (name_size & ~3) + 4;
+ /* If there's not enough space for the tail, e2fsck */
+ if (rec_len <= (8 + name_size + csum_size)) {
+ request_dir_fsck_afterwards(fs);
+ return 0;
+ }
+ /* Shorten that last de and insert the tail */
+ ext2fs_set_rec_len(fs, rec_len - csum_size, last_de);
+ t = EXT2_DIRENT_TAIL(ctx->buf, fs->blocksize);
+ ext2fs_initialize_dirent_tail(fs, t);
+
+ /* Always update checksum */
+ changed = 1;
+ }
+ }
+
+out:
+ if (!changed)
+ return 0;
+
+ ctx->errcode = ext2fs_write_dir_block4(fs, *blocknr, ctx->buf,
+ 0, ctx->dir);
+ if (ctx->errcode)
+ return BLOCK_ABORT;
+
+ return 0;
+}
+
+errcode_t rewrite_directory(ext2_filsys fs, ext2_ino_t dir,
+ struct ext2_inode *inode)
+{
+ errcode_t retval;
+ struct rewrite_dir_context ctx;
+
+ retval = ext2fs_get_mem(fs->blocksize, &ctx.buf);
+ if (retval)
+ return retval;
+
+ ctx.is_htree = (inode->i_flags & EXT2_INDEX_FL);
+ ctx.dir = dir;
+ ctx.errcode = 0;
+ retval = ext2fs_block_iterate3(fs, dir, BLOCK_FLAG_READ_ONLY |
+ BLOCK_FLAG_DATA_ONLY,
+ 0, rewrite_dir_block, &ctx);
+
+ ext2fs_free_mem(&ctx.buf);
+ if (retval)
+ return retval;
+
+ return ctx.errcode;
+}
+
+/*
+ * Forcibly set checksums in all inodes.
+ */
+static void rewrite_inodes(ext2_filsys fs)
+{
+ int length = EXT2_INODE_SIZE(fs->super);
+ struct ext2_inode *inode;
+ char *ea_buf;
+ ext2_inode_scan scan;
+ errcode_t retval;
+ ext2_ino_t ino;
+ blk64_t file_acl_block;
+
+ if (fs->super->s_creator_os != EXT2_OS_LINUX)
+ return;
+
+ retval = ext2fs_open_inode_scan(fs, 0, &scan);
+ if (retval) {
+ com_err("set_csum", retval, "while opening inode scan");
+ exit(1);
+ }
+
+ retval = ext2fs_get_mem(length, &inode);
+ 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");
+ exit(1);
+ }
+
+ do {
+ retval = ext2fs_get_next_inode_full(scan, &ino, inode, length);
+ if (retval) {
+ com_err("set_csum", retval, "while getting next inode");
+ exit(1);
+ }
+ if (!ino)
+ break;
+
+ 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);
+ if (retval) {
+ com_err("rewrite_extents", retval,
+ "while rewriting extents");
+ exit(1);
+ }
+
+ if (LINUX_S_ISDIR(inode->i_mode)) {
+ retval = rewrite_directory(fs, ino, inode);
+ if (retval) {
+ com_err("rewrite_directory", retval,
+ "while rewriting directories");
+ exit(1);
+ }
+ }
+
+ file_acl_block = ext2fs_file_acl_block(fs, inode);
+ if (!file_acl_block)
+ continue;
+ retval = ext2fs_read_ext_attr3(fs, file_acl_block, ea_buf, ino);
+ if (retval) {
+ com_err("rewrite_eablock", retval,
+ "while rewriting extended attribute");
+ exit(1);
+ }
+ retval = ext2fs_write_ext_attr3(fs, file_acl_block, ea_buf,
+ ino);
+ if (retval) {
+ com_err("rewrite_eablock", retval,
+ "while rewriting extended attribute");
+ exit(1);
+ }
+ } while (ino);
+
+ 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);
+ ext2fs_mark_ib_dirty(fs);
+ ext2fs_mark_bb_dirty(fs);
+ ext2fs_mmp_update2(fs, 1);
+ fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
+ fs->flags &= ~EXT2_FLAG_IGNORE_CSUM_ERRORS;
+ if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+ fs->super->s_checksum_type = EXT2_CRC32C_CHKSUM;
+ else
+ fs->super->s_checksum_type = 0;
+ ext2fs_mark_super_dirty(fs);
+}
+
+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);
+ gd->bg_itable_unused = 0;
+ gd->bg_flags = EXT2_BG_INODE_ZEROED;
+ ext2fs_group_desc_csum_set(fs, i);
+ }
+ fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
+}
+
+static void disable_uninit_bg(ext2_filsys fs, __u32 csum_feature_flag)
+{
+ struct ext2_group_desc *gd;
++ dgrp_t i;
+
+ /* Load bitmaps to ensure that the uninit ones get written out */
+ fs->super->s_feature_ro_compat |= csum_feature_flag;
+ ext2fs_read_bitmaps(fs);
+ ext2fs_mark_ib_dirty(fs);
+ ext2fs_mark_bb_dirty(fs);
+ fs->super->s_feature_ro_compat &= ~csum_feature_flag;
+
+ 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.
+ */
+ request_fsck_afterwards(fs);
+ break;
+ }
+ gd->bg_itable_unused = 0;
+ gd->bg_flags = 0;
+ ext2fs_group_desc_csum_set(fs, i);
+ }
+ fs->flags &= ~EXT2_FLAG_SUPER_ONLY;
+}
+
/*
* Update the feature set as provided by the user.
*/
git://git.whamcloud.com / tools / e2fsprogs.git / commitdiff