dgrp_t g;
int i;
- if (!(EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
- EXT4_FEATURE_RO_COMPAT_GDT_CSUM)))
+ if (!ext2fs_has_group_desc_csum(fs))
return;
for (g=0; g < fs->group_desc_count; g++) {
*/
group_block = ext2fs_group_first_block2(fs,
old_fs->group_desc_count);
- csum_flag = EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
- EXT4_FEATURE_RO_COMPAT_GDT_CSUM);
+ csum_flag = ext2fs_has_group_desc_csum(fs);
if (access("/sys/fs/ext4/features/lazy_itable_init", F_OK) == 0)
lazy_itable_init = 1;
if (fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG)
* supports lazy inode initialization, we can skip
* initializing the inode table.
*/
- if (lazy_itable_init &&
- EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
- EXT4_FEATURE_RO_COMPAT_GDT_CSUM)) {
+ if (lazy_itable_init && ext2fs_has_group_desc_csum(fs)) {
retval = 0;
goto errout;
}
}
}
}
- if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
- EXT4_FEATURE_RO_COMPAT_GDT_CSUM) &&
- (ext2fs_bg_flags_test(fs, group, EXT2_BG_BLOCK_UNINIT))) {
+
+ if (ext2fs_has_group_desc_csum(fs) &&
+ (ext2fs_bg_flags_test(fs, group, EXT2_BG_BLOCK_UNINIT))) {
/*
* If the block bitmap is uninitialized, which means
* nothing other than standard metadata in use.
for (blk = ext2fs_blocks_count(fs->super);
blk < ext2fs_blocks_count(old_fs->super); blk++) {
g = ext2fs_group_of_blk2(fs, blk);
- if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
- EXT4_FEATURE_RO_COMPAT_GDT_CSUM) &&
+ if (ext2fs_has_group_desc_csum(fs) &&
ext2fs_bg_flags_test(old_fs, g, EXT2_BG_BLOCK_UNINIT)) {
/*
* The block bitmap is uninitialized, so skip
struct process_block_struct {
ext2_resize_t rfs;
ext2_ino_t ino;
+ ext2_ino_t old_ino;
struct ext2_inode * inode;
errcode_t error;
int is_dir;
int changed;
+ int has_extents;
};
static int process_block(ext2_filsys fs, blk64_t *block_nr,
#ifdef RESIZE2FS_DEBUG
if (pb->rfs->flags & RESIZE_DEBUG_BMOVE)
printf("ino=%u, blockcnt=%lld, %llu->%llu\n",
- pb->ino, blockcnt, block, new_block);
+ pb->old_ino, blockcnt, block,
+ new_block);
#endif
block = new_block;
}
}
+
+ /*
+ * If we moved inodes and metadata_csum is enabled, we must force the
+ * extent block to be rewritten with new checksum.
+ */
+ if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) &&
+ pb->has_extents &&
+ pb->old_ino != pb->ino)
+ ret |= BLOCK_CHANGED;
+
if (pb->is_dir) {
retval = ext2fs_add_dir_block2(fs->dblist, pb->ino,
block, (int) blockcnt);
return 0;
}
+static errcode_t migrate_ea_block(ext2_resize_t rfs, ext2_ino_t ino,
+ struct ext2_inode *inode, int *changed)
+{
+ char *buf;
+ blk64_t new_block;
+ errcode_t err = 0;
+
+ /* No EA block or no remapping? Quit early. */
+ if (ext2fs_file_acl_block(rfs->old_fs, inode) == 0 && !rfs->bmap)
+ return 0;
+ new_block = extent_translate(rfs->old_fs, rfs->bmap,
+ ext2fs_file_acl_block(rfs->old_fs, inode));
+ if (new_block == 0)
+ return 0;
+
+ /* Set the new ACL block */
+ ext2fs_file_acl_block_set(rfs->old_fs, inode, new_block);
+
+ /* Update checksum */
+ if (EXT2_HAS_RO_COMPAT_FEATURE(rfs->new_fs->super,
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) {
+ err = ext2fs_get_mem(rfs->old_fs->blocksize, &buf);
+ if (err)
+ return err;
+ rfs->old_fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
+ err = ext2fs_read_ext_attr3(rfs->old_fs, new_block, buf, ino);
+ rfs->old_fs->flags &= ~EXT2_FLAG_IGNORE_CSUM_ERRORS;
+ if (err)
+ goto out;
+ err = ext2fs_write_ext_attr3(rfs->old_fs, new_block, buf, ino);
+ if (err)
+ goto out;
+ }
+ *changed = 1;
+
+out:
+ ext2fs_free_mem(&buf);
+ return err;
+}
+
static errcode_t inode_scan_and_fix(ext2_resize_t rfs)
{
struct process_block_struct pb;
char *block_buf = 0;
ext2_ino_t start_to_move;
blk64_t orig_size;
- blk64_t new_block;
int inode_size;
if ((rfs->old_fs->group_desc_count <=
pb.is_dir = LINUX_S_ISDIR(inode->i_mode);
pb.changed = 0;
- if (ext2fs_file_acl_block(rfs->old_fs, inode) && rfs->bmap) {
- new_block = extent_translate(rfs->old_fs, rfs->bmap,
- ext2fs_file_acl_block(rfs->old_fs, inode));
- if (new_block) {
- ext2fs_file_acl_block_set(rfs->old_fs, inode,
- new_block);
- retval = ext2fs_write_inode_full(rfs->old_fs,
- ino, inode, inode_size);
- if (retval) goto errout;
- }
- }
-
- if (ext2fs_inode_has_valid_blocks2(rfs->old_fs, inode) &&
- (rfs->bmap || pb.is_dir)) {
- pb.ino = ino;
- retval = ext2fs_block_iterate3(rfs->old_fs,
- ino, 0, block_buf,
- process_block, &pb);
- if (retval)
- goto errout;
- if (pb.error) {
- retval = pb.error;
- goto errout;
- }
- }
+ /* Remap EA block */
+ retval = migrate_ea_block(rfs, ino, inode, &pb.changed);
+ if (retval)
+ goto errout;
+ new_inode = ino;
if (ino <= start_to_move)
- continue; /* Don't need to move it. */
+ goto remap_blocks; /* Don't need to move inode. */
/*
- * Find a new inode
+ * Find a new inode. Now that extents and directory blocks
+ * are tied to the inode number through the checksum, we must
+ * set up the new inode before we start rewriting blocks.
*/
retval = ext2fs_new_inode(rfs->new_fs, 0, 0, 0, &new_inode);
if (retval)
ext2fs_inode_alloc_stats2(rfs->new_fs, new_inode, +1,
pb.is_dir);
- if (pb.changed) {
- /* Get the new version of the inode */
- retval = ext2fs_read_inode_full(rfs->old_fs, ino,
- inode, inode_size);
- if (retval) goto errout;
- }
inode->i_ctime = time(0);
retval = ext2fs_write_inode_full(rfs->old_fs, new_inode,
inode, inode_size);
- if (retval) goto errout;
+ if (retval)
+ goto errout;
+ pb.changed = 0;
#ifdef RESIZE2FS_DEBUG
if (rfs->flags & RESIZE_DEBUG_INODEMAP)
goto errout;
}
ext2fs_add_extent_entry(rfs->imap, ino, new_inode);
+
+remap_blocks:
+ if (pb.changed)
+ retval = ext2fs_write_inode_full(rfs->old_fs,
+ new_inode,
+ inode, inode_size);
+ if (retval)
+ goto errout;
+
+ /*
+ * Update inodes to point to new blocks; schedule directory
+ * blocks for inode remapping. Need to write out dir blocks
+ * with new inode numbers if we have metadata_csum enabled.
+ */
+ if (ext2fs_inode_has_valid_blocks2(rfs->old_fs, inode) &&
+ (rfs->bmap || pb.is_dir)) {
+ pb.ino = new_inode;
+ pb.old_ino = ino;
+ pb.has_extents = inode->i_flags & EXT4_EXTENTS_FL;
+ rfs->old_fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
+ retval = ext2fs_block_iterate3(rfs->old_fs,
+ new_inode, 0, block_buf,
+ process_block, &pb);
+ rfs->old_fs->flags &= ~EXT2_FLAG_IGNORE_CSUM_ERRORS;
+ if (retval)
+ goto errout;
+ if (pb.error) {
+ retval = pb.error;
+ goto errout;
+ }
+ } else if ((inode->i_flags & EXT4_INLINE_DATA_FL) &&
+ (rfs->bmap || pb.is_dir)) {
+ /* inline data dir; update it too */
+ retval = ext2fs_add_dir_block2(rfs->old_fs->dblist,
+ new_inode, 0, 0);
+ if (retval)
+ goto errout;
+ }
}
io_channel_flush(rfs->old_fs->io);
struct ext2_inode inode;
ext2_ino_t new_inode;
errcode_t retval;
+ int ret = 0;
if (is->rfs->progress && offset == 0) {
io_channel_flush(is->rfs->old_fs->io);
return DIRENT_ABORT;
}
+ /*
+ * If we have checksums enabled and the inode wasn't present in the
+ * old fs, then we must rewrite all dir blocks with new checksums.
+ */
+ if (EXT2_HAS_RO_COMPAT_FEATURE(is->rfs->old_fs->super,
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) &&
+ !ext2fs_test_inode_bitmap2(is->rfs->old_fs->inode_map, dir))
+ ret |= DIRENT_CHANGED;
+
if (!dirent->inode)
- return 0;
+ return ret;
new_inode = ext2fs_extent_translate(is->rfs->imap, dirent->inode);
if (!new_inode)
- return 0;
+ return ret;
#ifdef RESIZE2FS_DEBUG
if (is->rfs->flags & RESIZE_DEBUG_INODEMAP)
printf("Inode translate (dir=%u, name=%.*s, %u->%u)\n",
- dir, dirent->name_len&0xFF, dirent->name,
+ dir, ext2fs_dirent_name_len(dirent), dirent->name,
dirent->inode, new_inode);
#endif
inode.i_mtime = inode.i_ctime = time(0);
is->err = ext2fs_write_inode(is->rfs->old_fs, dir, &inode);
if (is->err)
- return DIRENT_ABORT;
+ return ret | DIRENT_ABORT;
}
- return DIRENT_CHANGED;
+ return ret | DIRENT_CHANGED;
}
static errcode_t inode_ref_fix(ext2_resize_t rfs)
goto errout;
}
+ rfs->old_fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
retval = ext2fs_dblist_dir_iterate(rfs->old_fs->dblist,
DIRENT_FLAG_INCLUDE_EMPTY, 0,
check_and_change_inodes, &is);
+ rfs->old_fs->flags &= ~EXT2_FLAG_IGNORE_CSUM_ERRORS;
if (retval)
goto errout;
if (is.err) {
git://git.whamcloud.com / tools / e2fsprogs.git / blobdiff