#include "debugfs.h"
#include "blkid/blkid.h"
#include "jfs_user.h"
+#include "ext2fs/fast_commit.h"
#include <uuid/uuid.h>
enum journal_location {JOURNAL_IS_INTERNAL, JOURNAL_IS_EXTERNAL};
unsigned int, unsigned int, unsigned int,
int, tid_t);
+static void dump_fc_block(FILE *out_file, char *buf, int blocksize,
+ int transaction, int *fc_done, int dump_old);
+
static void do_hexdump (FILE *, char *, int);
#define WRAP(jsb, blocknr) \
blocknr -= (be32_to_cpu((jsb)->s_maxlen) - \
be32_to_cpu((jsb)->s_first));
-void do_logdump(int argc, char **argv)
+void do_logdump(int argc, char **argv, int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
{
int c;
int retval;
static const char *type_to_name(int btype)
{
switch (btype) {
- case JFS_DESCRIPTOR_BLOCK:
+ case JBD2_DESCRIPTOR_BLOCK:
return "descriptor block";
- case JFS_COMMIT_BLOCK:
+ case JBD2_COMMIT_BLOCK:
return "commit block";
- case JFS_SUPERBLOCK_V1:
+ case JBD2_SUPERBLOCK_V1:
return "V1 superblock";
- case JFS_SUPERBLOCK_V2:
+ case JBD2_SUPERBLOCK_V2:
return "V2 superblock";
- case JFS_REVOKE_BLOCK:
+ case JBD2_REVOKE_BLOCK:
return "revoke table";
}
return "unrecognised type";
journal_header_t *header;
tid_t transaction;
unsigned int blocknr = 0;
+ int fc_done;
/* First, check to see if there's an ext2 superblock header */
retval = read_journal_block(cmdname, source, 0, buf, 2048);
ext2fs_swap_super(sb);
#endif
- if ((be32_to_cpu(jsb->s_header.h_magic) != JFS_MAGIC_NUMBER) &&
+ if ((be32_to_cpu(jsb->s_header.h_magic) != JBD2_MAGIC_NUMBER) &&
(sb->s_magic == EXT2_SUPER_MAGIC) &&
ext2fs_has_feature_journal_dev(sb)) {
blocksize = EXT2_BLOCK_SIZE(sb);
}
jsb = (journal_superblock_t *) jsb_buffer;
- if (be32_to_cpu(jsb->s_header.h_magic) != JFS_MAGIC_NUMBER) {
+ if (be32_to_cpu(jsb->s_header.h_magic) != JBD2_MAGIC_NUMBER) {
fprintf(out_file,
"Journal superblock magic number invalid!\n");
return;
if (!blocknr) {
/* Empty journal, nothing to do. */
if (!dump_old)
- return;
+ goto fc;
else
blocknr = 1;
}
((ext2_loff_t) blocknr) * blocksize,
buf, blocksize);
if (retval)
- return;
+ break;
header = (journal_header_t *) buf;
sequence = be32_to_cpu(header->h_sequence);
blocktype = be32_to_cpu(header->h_blocktype);
- if (magic != JFS_MAGIC_NUMBER) {
+ if (magic != JBD2_MAGIC_NUMBER) {
fprintf (out_file, "No magic number at block %u: "
"end of journal.\n", blocknr);
- return;
+ break;
}
if (sequence != transaction) {
"block %u: end of journal.\n",
sequence, transaction, blocknr);
if (!dump_old)
- return;
+ break;
}
if (dump_descriptors) {
}
switch (blocktype) {
- case JFS_DESCRIPTOR_BLOCK:
+ case JBD2_DESCRIPTOR_BLOCK:
dump_descriptor_block(out_file, source, buf, jsb,
&blocknr, blocksize,
transaction);
continue;
- case JFS_COMMIT_BLOCK:
+ case JBD2_COMMIT_BLOCK:
transaction++;
blocknr++;
WRAP(jsb, blocknr);
continue;
- case JFS_REVOKE_BLOCK:
+ case JBD2_REVOKE_BLOCK:
dump_revoke_block(out_file, buf, jsb,
blocknr, blocksize,
transaction);
default:
fprintf (out_file, "Unexpected block type %u at "
"block %u.\n", blocktype, blocknr);
- return;
+ break;
}
}
+
+fc:
+ blocknr = be32_to_cpu(jsb->s_maxlen) - jbd2_journal_get_num_fc_blks(jsb) + 1;
+ while (blocknr <= be32_to_cpu(jsb->s_maxlen)) {
+ retval = read_journal_block(cmdname, source,
+ ((ext2_loff_t) blocknr) * blocksize,
+ buf, blocksize);
+ if (retval)
+ return;
+
+ dump_fc_block(out_file, buf, blocksize, transaction, &fc_done,
+ dump_old);
+ if (!dump_old && fc_done)
+ break;
+ blocknr++;
+ }
}
static inline size_t journal_super_tag_bytes(journal_superblock_t *jsb)
{
size_t sz;
- if (JSB_HAS_INCOMPAT_FEATURE(jsb, JFS_FEATURE_INCOMPAT_CSUM_V3))
+ if (JSB_HAS_INCOMPAT_FEATURE(jsb, JBD2_FEATURE_INCOMPAT_CSUM_V3))
return sizeof(journal_block_tag3_t);
sz = sizeof(journal_block_tag_t);
- if (JSB_HAS_INCOMPAT_FEATURE(jsb, JFS_FEATURE_INCOMPAT_CSUM_V2))
+ if (JSB_HAS_INCOMPAT_FEATURE(jsb, JBD2_FEATURE_INCOMPAT_CSUM_V2))
sz += sizeof(__u16);
- if (JSB_HAS_INCOMPAT_FEATURE(jsb, JFS_FEATURE_INCOMPAT_64BIT))
+ if (JSB_HAS_INCOMPAT_FEATURE(jsb, JBD2_FEATURE_INCOMPAT_64BIT))
return sz;
return sz - sizeof(__u32);
}
+static void dump_fc_block(FILE *out_file, char *buf, int blocksize,
+ int transaction, int *fc_done, int dump_old)
+{
+ struct ext4_fc_tl *tl;
+ struct ext4_fc_head *head;
+ struct ext4_fc_add_range *add_range;
+ struct ext4_fc_del_range *del_range;
+ struct ext4_fc_dentry_info *dentry_info;
+ struct ext4_fc_tail *tail;
+ struct ext3_extent *ex;
+
+ *fc_done = 0;
+ fc_for_each_tl(buf, buf + blocksize, tl) {
+ switch (le16_to_cpu(tl->fc_tag)) {
+ case EXT4_FC_TAG_ADD_RANGE:
+ add_range =
+ (struct ext4_fc_add_range *)ext4_fc_tag_val(tl);
+ ex = (struct ext3_extent *)add_range->fc_ex;
+ fprintf(out_file,
+ "tag %s, inode %d, lblk %d, pblk %ld, len %d\n",
+ tag2str(tl->fc_tag),
+ le32_to_cpu(add_range->fc_ino),
+ le32_to_cpu(ex->ee_block),
+ le32_to_cpu(ex->ee_start) +
+ (((__u64) le16_to_cpu(ex->ee_start_hi)) << 32),
+ le16_to_cpu(ex->ee_len) > EXT_INIT_MAX_LEN ?
+ le16_to_cpu(ex->ee_len) - EXT_INIT_MAX_LEN :
+ le16_to_cpu(ex->ee_len));
+ break;
+ case EXT4_FC_TAG_DEL_RANGE:
+ del_range =
+ (struct ext4_fc_del_range *)ext4_fc_tag_val(tl);
+ fprintf(out_file, "tag %s, inode %d, lblk %d, len %d\n",
+ tag2str(tl->fc_tag),
+ le32_to_cpu(del_range->fc_ino),
+ le32_to_cpu(del_range->fc_lblk),
+ le32_to_cpu(del_range->fc_len));
+ break;
+ case EXT4_FC_TAG_LINK:
+ case EXT4_FC_TAG_UNLINK:
+ case EXT4_FC_TAG_CREAT:
+ dentry_info =
+ (struct ext4_fc_dentry_info *)
+ ext4_fc_tag_val(tl);
+ fprintf(out_file,
+ "tag %s, parent %d, ino %d, name \"%s\"\n",
+ tag2str(tl->fc_tag),
+ le32_to_cpu(dentry_info->fc_parent_ino),
+ le32_to_cpu(dentry_info->fc_ino),
+ dentry_info->fc_dname);
+ break;
+ case EXT4_FC_TAG_INODE:
+ fprintf(out_file, "tag %s, inode %d\n",
+ tag2str(tl->fc_tag),
+ le32_to_cpu(((struct ext4_fc_inode *)
+ ext4_fc_tag_val(tl))->fc_ino));
+ break;
+ case EXT4_FC_TAG_PAD:
+ fprintf(out_file, "tag %s\n", tag2str(tl->fc_tag));
+ break;
+ case EXT4_FC_TAG_TAIL:
+ tail = (struct ext4_fc_tail *)ext4_fc_tag_val(tl);
+ fprintf(out_file, "tag %s, tid %d\n",
+ tag2str(tl->fc_tag),
+ le32_to_cpu(tail->fc_tid));
+ if (!dump_old &&
+ le32_to_cpu(tail->fc_tid) < transaction) {
+ *fc_done = 1;
+ return;
+ }
+ break;
+ case EXT4_FC_TAG_HEAD:
+ fprintf(out_file, "\n*** Fast Commit Area ***\n");
+ head = (struct ext4_fc_head *)ext4_fc_tag_val(tl);
+ fprintf(out_file, "tag %s, features 0x%x, tid %d\n",
+ tag2str(tl->fc_tag),
+ le32_to_cpu(head->fc_features),
+ le32_to_cpu(head->fc_tid));
+ if (!dump_old &&
+ le32_to_cpu(head->fc_tid) < transaction) {
+ *fc_done = 1;
+ return;
+ }
+ break;
+ default:
+ *fc_done = 1;
+ break;
+ }
+ }
+}
+
static void dump_descriptor_block(FILE *out_file,
struct journal_source *source,
char *buf,
offset = sizeof(journal_header_t);
blocknr = *blockp;
- if (JSB_HAS_INCOMPAT_FEATURE(jsb, JFS_FEATURE_INCOMPAT_CSUM_V3) ||
- JSB_HAS_INCOMPAT_FEATURE(jsb, JFS_FEATURE_INCOMPAT_CSUM_V2))
- csum_size = sizeof(struct journal_block_tail);
+ if (JSB_HAS_INCOMPAT_FEATURE(jsb, JBD2_FEATURE_INCOMPAT_CSUM_V3) ||
+ JSB_HAS_INCOMPAT_FEATURE(jsb, JBD2_FEATURE_INCOMPAT_CSUM_V2))
+ csum_size = sizeof(struct jbd2_journal_block_tail);
if (dump_all)
fprintf(out_file, "Dumping descriptor block, sequence %u, at "
tag_block = be32_to_cpu(tag->t_blocknr);
tag_flags = be16_to_cpu(tag->t_flags);
- if (!(tag_flags & JFS_FLAG_SAME_UUID))
+ if (!(tag_flags & JBD2_FLAG_SAME_UUID))
offset += 16;
dump_metadata_block(out_file, source, jsb,
++blocknr;
WRAP(jsb, blocknr);
- } while (!(tag_flags & JFS_FLAG_LAST_TAG));
+ } while (!(tag_flags & JBD2_FLAG_LAST_TAG));
*blockp = blocknr;
}
tid_t transaction)
{
int offset, max;
- journal_revoke_header_t *header;
+ jbd2_journal_revoke_header_t *header;
unsigned long long rblock;
int tag_size = sizeof(__u32);
fprintf(out_file, "Dumping revoke block, sequence %u, at "
"block %u:\n", transaction, blocknr);
- if (be32_to_cpu(jsb->s_feature_incompat) & JFS_FEATURE_INCOMPAT_64BIT)
+ if (be32_to_cpu(jsb->s_feature_incompat) & JBD2_FEATURE_INCOMPAT_64BIT)
tag_size = sizeof(__u64);
- header = (journal_revoke_header_t *) buf;
- offset = sizeof(journal_revoke_header_t);
+ header = (jbd2_journal_revoke_header_t *) buf;
+ offset = sizeof(jbd2_journal_revoke_header_t);
max = be32_to_cpu(header->r_count);
while (offset < max) {