int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh,
struct inode *inode)
{
int ret = 0;
mlog_entry("(bh->b_blocknr = %llu, inode=%p)\n",
(unsigned long long)bh->b_blocknr, inode);
BUG_ON(bh->b_blocknr < OCFS2_SUPER_BLOCK_BLKNO);
BUG_ON(buffer_jbd(bh));
/* No need to check for a soft readonly file system here. non
* journalled writes are only ever done on system files which
* can get modified during recovery even if read-only. */
if (ocfs2_is_hard_readonly(osb)) {
ret = -EROFS;
goto out;
}
mutex_lock(&OCFS2_I(inode)->ip_io_mutex);
lock_buffer(bh);
set_buffer_uptodate(bh);
/* remove from dirty list before I/O. */
clear_buffer_dirty(bh);
get_bh(bh); /* for end_buffer_write_sync() */
bh->b_end_io = end_buffer_write_sync;
submit_bh(WRITE, bh);
wait_on_buffer(bh);
if (buffer_uptodate(bh)) {
ocfs2_set_buffer_uptodate(inode, bh);
} else {
/* We don't need to remove the clustered uptodate
* information for this bh as it's not marked locally
* uptodate. */
ret = -EIO;
put_bh(bh);
}
mutex_unlock(&OCFS2_I(inode)->ip_io_mutex);
out:
mlog_exit(ret);
return ret;
}
int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh,
struct ocfs2_caching_info *ci)
{
int ret = 0;
trace_ocfs2_write_block((unsigned long long)bh->b_blocknr, ci);
BUG_ON(bh->b_blocknr < OCFS2_SUPER_BLOCK_BLKNO);
BUG_ON(buffer_jbd(bh));
/* No need to check for a soft readonly file system here. non
* journalled writes are only ever done on system files which
* can get modified during recovery even if read-only. */
if (ocfs2_is_hard_readonly(osb)) {
ret = -EROFS;
mlog_errno(ret);
goto out;
}
ocfs2_metadata_cache_io_lock(ci);
lock_buffer(bh);
set_buffer_uptodate(bh);
/* remove from dirty list before I/O. */
clear_buffer_dirty(bh);
get_bh(bh); /* for end_buffer_write_sync() */
bh->b_end_io = end_buffer_write_sync;
submit_bh(REQ_OP_WRITE, 0, bh);
wait_on_buffer(bh);
if (buffer_uptodate(bh)) {
ocfs2_set_buffer_uptodate(ci, bh);
} else {
/* We don't need to remove the clustered uptodate
* information for this bh as it's not marked locally
* uptodate. */
ret = -EIO;
mlog_errno(ret);
}
ocfs2_metadata_cache_io_unlock(ci);
out:
return ret;
}
int ocfs2_should_update_atime(struct inode *inode,
struct vfsmount *vfsmnt)
{
struct timespec now;
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
if (ocfs2_is_hard_readonly(osb) || ocfs2_is_soft_readonly(osb))
return 0;
if ((inode->i_flags & S_NOATIME) ||
((inode->i_sb->s_flags & MS_NODIRATIME) && S_ISDIR(inode->i_mode)))
return 0;
/*
* We can be called with no vfsmnt structure - NFSD will
* sometimes do this.
*
* Note that our action here is different than touch_atime() -
* if we can't tell whether this is a noatime mount, then we
* don't know whether to trust the value of s_atime_quantum.
*/
if (vfsmnt == NULL)
return 0;
if ((vfsmnt->mnt_flags & MNT_NOATIME) ||
((vfsmnt->mnt_flags & MNT_NODIRATIME) && S_ISDIR(inode->i_mode)))
return 0;
if (vfsmnt->mnt_flags & MNT_RELATIME) {
if ((timespec_compare(&inode->i_atime, &inode->i_mtime) <= 0) ||
(timespec_compare(&inode->i_atime, &inode->i_ctime) <= 0))
return 1;
return 0;
}
now = CURRENT_TIME;
if ((now.tv_sec - inode->i_atime.tv_sec <= osb->s_atime_quantum))
return 0;
else
return 1;
}
/*
* For local mounts, add heartbeat=none.
* For userspace clusterstack, add cluster_stack=xxxx.
* For o2cb with local heartbeat, add heartbeat=local.
* For o2cb with global heartbeat, add heartbeat=global.
*/
static errcode_t add_mount_options(ocfs2_filesys *fs,
struct o2cb_cluster_desc *cluster,
char **optstr)
{
char *add, *extra = NULL;
char stackstr[strlen(OCFS2_CLUSTER_STACK_ARG) + OCFS2_STACK_LABEL_LEN + 1];
struct ocfs2_super_block *sb = OCFS2_RAW_SB(fs->fs_super);
if (ocfs2_mount_local(fs) || ocfs2_is_hard_readonly(fs)) {
add = OCFS2_HB_NONE;
goto addit;
}
if (cluster->c_stack &&
strcmp(cluster->c_stack, OCFS2_CLASSIC_CLUSTER_STACK)) {
snprintf(stackstr, sizeof(stackstr), "%s%s",
OCFS2_CLUSTER_STACK_ARG, cluster->c_stack);
add = stackstr;
goto addit;
}
if (ocfs2_cluster_o2cb_global_heartbeat(sb)) {
add = OCFS2_HB_GLOBAL;
goto addit;
}
add = OCFS2_HB_LOCAL;
addit:
if (*optstr && *(*optstr))
extra = xstrconcat3(*optstr, ",", add);
else
extra = xstrndup(add, strlen(add));
if (!extra)
return OCFS2_ET_NO_MEMORY;
*optstr = extra;
return 0;
}
/* pass it NULL and it will allocate a new handle object for you. If
* you pass it a handle however, it may still return error, in which
* case it has free'd the passed handle for you. */
handle_t *ocfs2_start_trans(struct ocfs2_super *osb, int max_buffs)
{
journal_t *journal = osb->journal->j_journal;
handle_t *handle;
BUG_ON(!osb || !osb->journal->j_journal);
if (ocfs2_is_hard_readonly(osb))
return ERR_PTR(-EROFS);
BUG_ON(osb->journal->j_state == OCFS2_JOURNAL_FREE);
BUG_ON(max_buffs <= 0);
/* JBD might support this, but our journalling code doesn't yet. */
if (journal_current_handle()) {
mlog(ML_ERROR, "Recursive transaction attempted!\n");
BUG();
}
down_read(&osb->journal->j_trans_barrier);
handle = journal_start(journal, max_buffs);
if (IS_ERR(handle)) {
up_read(&osb->journal->j_trans_barrier);
mlog_errno(PTR_ERR(handle));
if (is_journal_aborted(journal)) {
ocfs2_abort(osb->sb, "Detected aborted journal");
handle = ERR_PTR(-EROFS);
}
} else {
if (!ocfs2_mount_local(osb))
atomic_inc(&(osb->journal->j_num_trans));
}
return handle;
}
/*
* Write super block and backups doesn't need to collaborate with journal,
* so we don't need to lock ip_io_mutex and inode doesn't need to bea passed
* into this function.
*/
int ocfs2_write_super_or_backup(struct ocfs2_super *osb,
struct buffer_head *bh)
{
int ret = 0;
mlog_entry_void();
BUG_ON(buffer_jbd(bh));
ocfs2_check_super_or_backup(osb->sb, bh->b_blocknr);
if (ocfs2_is_hard_readonly(osb) || ocfs2_is_soft_readonly(osb)) {
ret = -EROFS;
goto out;
}
lock_buffer(bh);
set_buffer_uptodate(bh);
/* remove from dirty list before I/O. */
clear_buffer_dirty(bh);
get_bh(bh); /* for end_buffer_write_sync() */
bh->b_end_io = end_buffer_write_sync;
submit_bh(WRITE, bh);
wait_on_buffer(bh);
if (!buffer_uptodate(bh)) {
ret = -EIO;
put_bh(bh);
}
out:
mlog_exit(ret);
return ret;
}
handle_t *ocfs2_start_trans(struct ocfs2_super *osb, int max_buffs)
{
journal_t *journal = osb->journal->j_journal;
handle_t *handle;
BUG_ON(!osb || !osb->journal->j_journal);
if (ocfs2_is_hard_readonly(osb))
return ERR_PTR(-EROFS);
BUG_ON(osb->journal->j_state == OCFS2_JOURNAL_FREE);
BUG_ON(max_buffs <= 0);
if (journal_current_handle())
return jbd2_journal_start(journal, max_buffs);
down_read(&osb->journal->j_trans_barrier);
handle = jbd2_journal_start(journal, max_buffs);
if (IS_ERR(handle)) {
up_read(&osb->journal->j_trans_barrier);
mlog_errno(PTR_ERR(handle));
if (is_journal_aborted(journal)) {
ocfs2_abort(osb->sb, "Detected aborted journal");
handle = ERR_PTR(-EROFS);
}
} else {
if (!ocfs2_mount_local(osb))
atomic_inc(&(osb->journal->j_num_trans));
}
return handle;
}
/*
* Write super block and backups doesn't need to collaborate with journal,
* so we don't need to lock ip_io_mutex and ci doesn't need to bea passed
* into this function.
*/
int ocfs2_write_super_or_backup(struct ocfs2_super *osb,
struct buffer_head *bh)
{
int ret = 0;
struct ocfs2_dinode *di = (struct ocfs2_dinode *)bh->b_data;
BUG_ON(buffer_jbd(bh));
ocfs2_check_super_or_backup(osb->sb, bh->b_blocknr);
if (ocfs2_is_hard_readonly(osb) || ocfs2_is_soft_readonly(osb)) {
ret = -EROFS;
mlog_errno(ret);
goto out;
}
lock_buffer(bh);
set_buffer_uptodate(bh);
/* remove from dirty list before I/O. */
clear_buffer_dirty(bh);
get_bh(bh); /* for end_buffer_write_sync() */
bh->b_end_io = end_buffer_write_sync;
ocfs2_compute_meta_ecc(osb->sb, bh->b_data, &di->i_check);
submit_bh(REQ_OP_WRITE, 0, bh);
wait_on_buffer(bh);
if (!buffer_uptodate(bh)) {
ret = -EIO;
mlog_errno(ret);
}
out:
return ret;
}
/* Add a new group descriptor to global_bitmap. */
int ocfs2_group_add(struct inode *inode, struct ocfs2_new_group_input *input)
{
int ret;
handle_t *handle;
struct buffer_head *main_bm_bh = NULL;
struct inode *main_bm_inode = NULL;
struct ocfs2_dinode *fe = NULL;
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
struct buffer_head *group_bh = NULL;
struct ocfs2_group_desc *group = NULL;
struct ocfs2_chain_list *cl;
struct ocfs2_chain_rec *cr;
u16 cl_bpc;
if (ocfs2_is_hard_readonly(osb) || ocfs2_is_soft_readonly(osb))
return -EROFS;
main_bm_inode = ocfs2_get_system_file_inode(osb,
GLOBAL_BITMAP_SYSTEM_INODE,
OCFS2_INVALID_SLOT);
if (!main_bm_inode) {
ret = -EINVAL;
mlog_errno(ret);
goto out;
}
mutex_lock(&main_bm_inode->i_mutex);
ret = ocfs2_inode_lock(main_bm_inode, &main_bm_bh, 1);
if (ret < 0) {
mlog_errno(ret);
goto out_mutex;
}
fe = (struct ocfs2_dinode *)main_bm_bh->b_data;
if (le16_to_cpu(fe->id2.i_chain.cl_cpg) !=
ocfs2_group_bitmap_size(osb->sb, 0,
osb->s_feature_incompat) * 8) {
mlog(ML_ERROR, "The disk is too old and small."
" Force to do offline resize.");
ret = -EINVAL;
goto out_unlock;
}
ret = ocfs2_read_blocks_sync(osb, input->group, 1, &group_bh);
if (ret < 0) {
mlog(ML_ERROR, "Can't read the group descriptor # %llu "
"from the device.", (unsigned long long)input->group);
goto out_unlock;
}
ocfs2_set_new_buffer_uptodate(INODE_CACHE(inode), group_bh);
ret = ocfs2_verify_group_and_input(main_bm_inode, fe, input, group_bh);
if (ret) {
mlog_errno(ret);
goto out_unlock;
}
trace_ocfs2_group_add((unsigned long long)input->group,
input->chain, input->clusters, input->frees);
handle = ocfs2_start_trans(osb, OCFS2_GROUP_ADD_CREDITS);
if (IS_ERR(handle)) {
mlog_errno(PTR_ERR(handle));
ret = -EINVAL;
goto out_unlock;
}
cl_bpc = le16_to_cpu(fe->id2.i_chain.cl_bpc);
cl = &fe->id2.i_chain;
cr = &cl->cl_recs[input->chain];
ret = ocfs2_journal_access_gd(handle, INODE_CACHE(main_bm_inode),
group_bh, OCFS2_JOURNAL_ACCESS_WRITE);
if (ret < 0) {
mlog_errno(ret);
goto out_commit;
}
group = (struct ocfs2_group_desc *)group_bh->b_data;
group->bg_next_group = cr->c_blkno;
ocfs2_journal_dirty(handle, group_bh);
ret = ocfs2_journal_access_di(handle, INODE_CACHE(main_bm_inode),
main_bm_bh, OCFS2_JOURNAL_ACCESS_WRITE);
if (ret < 0) {
mlog_errno(ret);
goto out_commit;
}
if (input->chain == le16_to_cpu(cl->cl_next_free_rec)) {
le16_add_cpu(&cl->cl_next_free_rec, 1);
memset(cr, 0, sizeof(struct ocfs2_chain_rec));
}
cr->c_blkno = cpu_to_le64(input->group);
le32_add_cpu(&cr->c_total, input->clusters * cl_bpc);
le32_add_cpu(&cr->c_free, input->frees * cl_bpc);
le32_add_cpu(&fe->id1.bitmap1.i_total, input->clusters *cl_bpc);
le32_add_cpu(&fe->id1.bitmap1.i_used,
(input->clusters - input->frees) * cl_bpc);
le32_add_cpu(&fe->i_clusters, input->clusters);
ocfs2_journal_dirty(handle, main_bm_bh);
spin_lock(&OCFS2_I(main_bm_inode)->ip_lock);
OCFS2_I(main_bm_inode)->ip_clusters = le32_to_cpu(fe->i_clusters);
le64_add_cpu(&fe->i_size, input->clusters << osb->s_clustersize_bits);
spin_unlock(&OCFS2_I(main_bm_inode)->ip_lock);
i_size_write(main_bm_inode, le64_to_cpu(fe->i_size));
ocfs2_update_super_and_backups(main_bm_inode, input->clusters);
out_commit:
ocfs2_commit_trans(osb, handle);
out_unlock:
brelse(group_bh);
brelse(main_bm_bh);
ocfs2_inode_unlock(main_bm_inode, 1);
out_mutex:
mutex_unlock(&main_bm_inode->i_mutex);
iput(main_bm_inode);
out:
return ret;
}
/*
* Extend the filesystem to the new number of clusters specified. This entry
* point is only used to extend the current filesystem to the end of the last
* existing group.
*/
int ocfs2_group_extend(struct inode * inode, int new_clusters)
{
int ret;
handle_t *handle;
struct buffer_head *main_bm_bh = NULL;
struct buffer_head *group_bh = NULL;
struct inode *main_bm_inode = NULL;
struct ocfs2_dinode *fe = NULL;
struct ocfs2_group_desc *group = NULL;
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
u16 cl_bpc;
u32 first_new_cluster;
u64 lgd_blkno;
if (ocfs2_is_hard_readonly(osb) || ocfs2_is_soft_readonly(osb))
return -EROFS;
if (new_clusters < 0)
return -EINVAL;
else if (new_clusters == 0)
return 0;
main_bm_inode = ocfs2_get_system_file_inode(osb,
GLOBAL_BITMAP_SYSTEM_INODE,
OCFS2_INVALID_SLOT);
if (!main_bm_inode) {
ret = -EINVAL;
mlog_errno(ret);
goto out;
}
mutex_lock(&main_bm_inode->i_mutex);
ret = ocfs2_inode_lock(main_bm_inode, &main_bm_bh, 1);
if (ret < 0) {
mlog_errno(ret);
goto out_mutex;
}
fe = (struct ocfs2_dinode *)main_bm_bh->b_data;
/* main_bm_bh is validated by inode read inside ocfs2_inode_lock(),
* so any corruption is a code bug. */
BUG_ON(!OCFS2_IS_VALID_DINODE(fe));
if (le16_to_cpu(fe->id2.i_chain.cl_cpg) !=
ocfs2_group_bitmap_size(osb->sb, 0,
osb->s_feature_incompat) * 8) {
mlog(ML_ERROR, "The disk is too old and small. "
"Force to do offline resize.");
ret = -EINVAL;
goto out_unlock;
}
first_new_cluster = le32_to_cpu(fe->i_clusters);
lgd_blkno = ocfs2_which_cluster_group(main_bm_inode,
first_new_cluster - 1);
ret = ocfs2_read_group_descriptor(main_bm_inode, fe, lgd_blkno,
&group_bh);
if (ret < 0) {
mlog_errno(ret);
goto out_unlock;
}
group = (struct ocfs2_group_desc *)group_bh->b_data;
cl_bpc = le16_to_cpu(fe->id2.i_chain.cl_bpc);
if (le16_to_cpu(group->bg_bits) / cl_bpc + new_clusters >
le16_to_cpu(fe->id2.i_chain.cl_cpg)) {
ret = -EINVAL;
goto out_unlock;
}
trace_ocfs2_group_extend(
(unsigned long long)le64_to_cpu(group->bg_blkno), new_clusters);
handle = ocfs2_start_trans(osb, OCFS2_GROUP_EXTEND_CREDITS);
if (IS_ERR(handle)) {
mlog_errno(PTR_ERR(handle));
ret = -EINVAL;
goto out_unlock;
}
/* update the last group descriptor and inode. */
ret = ocfs2_update_last_group_and_inode(handle, main_bm_inode,
main_bm_bh, group_bh,
first_new_cluster,
new_clusters);
if (ret) {
mlog_errno(ret);
goto out_commit;
}
ocfs2_update_super_and_backups(main_bm_inode, new_clusters);
out_commit:
ocfs2_commit_trans(osb, handle);
out_unlock:
brelse(group_bh);
brelse(main_bm_bh);
ocfs2_inode_unlock(main_bm_inode, 1);
out_mutex:
mutex_unlock(&main_bm_inode->i_mutex);
iput(main_bm_inode);
out:
return ret;
}
int main(int argc, char **argv)
{
errcode_t ret = 0;
struct mount_options mo;
ocfs2_filesys *fs = NULL;
struct o2cb_cluster_desc cluster;
struct o2cb_region_desc desc;
int clustered = 1;
int group_join = 0;
struct stat statbuf;
const char *spec;
char *opts_string = NULL;
initialize_ocfs_error_table();
initialize_o2dl_error_table();
initialize_o2cb_error_table();
setbuf(stdout, NULL);
setbuf(stderr, NULL);
if (signal(SIGTERM, handle_signal) == SIG_ERR) {
fprintf(stderr, "Could not set SIGTERM\n");
exit(1);
}
if (signal(SIGINT, handle_signal) == SIG_ERR) {
fprintf(stderr, "Could not set SIGINT\n");
exit(1);
}
memset(&mo, 0, sizeof(mo));
read_options (argc, argv, &mo);
ret = process_options(&mo);
if (ret)
goto bail;
ret = ocfs2_open(mo.dev, OCFS2_FLAG_RO, 0, 0, &fs); //O_EXCL?
if (ret) {
com_err(progname, ret, "while opening device %s", mo.dev);
goto bail;
}
clustered = (0 == ocfs2_mount_local(fs));
if (ocfs2_is_hard_readonly(fs) && (clustered ||
!(mo.flags & MS_RDONLY))) {
ret = OCFS2_ET_IO;
com_err(progname, ret,
"while mounting read-only device in %s mode",
(clustered ? "clustered" : "read-write"));
goto bail;
}
if (verbose)
printf("device=%s\n", mo.dev);
ret = o2cb_setup_stack((char *)OCFS2_RAW_SB(fs->fs_super)->s_cluster_info.ci_stack);
if (ret) {
com_err(progname, ret, "while setting up stack\n");
goto bail;
}
if (clustered) {
ret = o2cb_init();
if (ret) {
com_err(progname, ret, "while trying initialize cluster");
goto bail;
}
ret = ocfs2_fill_cluster_desc(fs, &cluster);
if (ret) {
com_err(progname, ret,
"while trying to determine cluster information");
goto bail;
}
ret = ocfs2_fill_heartbeat_desc(fs, &desc);
if (ret) {
com_err(progname, ret,
"while trying to determine heartbeat information");
goto bail;
}
desc.r_persist = 1;
desc.r_service = OCFS2_FS_NAME;
}
ret = add_mount_options(fs, &cluster, &mo.xtra_opts);
if (ret) {
com_err(progname, ret, "while adding mount options");
goto bail;
}
/* validate mount dir */
if (lstat(mo.dir, &statbuf)) {
com_err(progname, 0, "mount directory %s does not exist",
mo.dir);
goto bail;
} else if (stat(mo.dir, &statbuf)) {
com_err(progname, 0, "mount directory %s is a broken symbolic "
"link", mo.dir);
goto bail;
} else if (!S_ISDIR(statbuf.st_mode)) {
com_err(progname, 0, "mount directory %s is not a directory",
mo.dir);
goto bail;
}
block_signals (SIG_BLOCK);
if (clustered && !(mo.flags & MS_REMOUNT)) {
ret = o2cb_begin_group_join(&cluster, &desc);
if (ret) {
block_signals (SIG_UNBLOCK);
com_err(progname, ret,
"while trying to join the group");
goto bail;
}
group_join = 1;
}
spec = canonicalize(mo.dev);
ret = mount(spec, mo.dir, OCFS2_FS_NAME, mo.flags & ~MS_NOSYS,
mo.xtra_opts);
if (ret) {
ret = errno;
if (group_join) {
/* We ignore the return code because the mount
* failure is the important error.
* complete_group_join() will handle cleaning up */
o2cb_complete_group_join(&cluster, &desc, errno);
}
block_signals (SIG_UNBLOCK);
if (ret == -EROFS)
com_err(progname, OCFS2_ET_RO_FILESYS, "while mounting %s "
"on %s, please try fixing this by fsck.ocfs2 and then "
"retry mounting", mo.dev, mo.dir);
else
com_err(progname, OCFS2_ET_INTERNAL_FAILURE,
"while mounting %s on %s. Check 'dmesg' for more "
"information on this error %d.", mo.dev, mo.dir,
(int)ret);
goto bail;
}
if (group_join) {
ret = o2cb_complete_group_join(&cluster, &desc, 0);
if (ret) {
com_err(progname, ret,
"while completing group join (WARNING)");
/*
* XXX: GFS2 allows the mount to continue, so we
* will do the same. I don't know how clean that
* is, but I don't have a better solution.
*/
ret = 0;
}
}
change_local_hb_io_priority(fs, mo.dev);
opts_string = fix_opts_string(((mo.flags & ~MS_NOMTAB) |
(clustered ? MS_NETDEV : 0)),
mo.xtra_opts, NULL);
update_mtab_entry(mo.dev, mo.dir, OCFS2_FS_NAME, opts_string,
mo.flags, 0, 0);
block_signals (SIG_UNBLOCK);
bail:
if (fs)
ocfs2_close(fs);
if (mo.dev)
free(mo.dev);
if (mo.dir)
free(mo.dir);
if (mo.opts)
free(mo.opts);
if (mo.xtra_opts)
free(mo.xtra_opts);
if (mo.type)
free(mo.type);
if (opts_string)
free(opts_string);
return ret ? 1 : 0;
}
static int ocfs2_filecheck_repair_inode_block(struct super_block *sb,
struct buffer_head *bh)
{
int changed = 0;
struct ocfs2_dinode *di = (struct ocfs2_dinode *)bh->b_data;
if (!ocfs2_filecheck_validate_inode_block(sb, bh))
return 0;
trace_ocfs2_filecheck_repair_inode_block(
(unsigned long long)bh->b_blocknr);
if (ocfs2_is_hard_readonly(OCFS2_SB(sb)) ||
ocfs2_is_soft_readonly(OCFS2_SB(sb))) {
mlog(ML_ERROR,
"Filecheck: cannot repair dinode #%llu "
"on readonly filesystem\n",
(unsigned long long)bh->b_blocknr);
return -OCFS2_FILECHECK_ERR_READONLY;
}
if (buffer_jbd(bh)) {
mlog(ML_ERROR,
"Filecheck: cannot repair dinode #%llu, "
"its buffer is in jbd\n",
(unsigned long long)bh->b_blocknr);
return -OCFS2_FILECHECK_ERR_INJBD;
}
if (!OCFS2_IS_VALID_DINODE(di)) {
/* Cannot fix invalid inode block */
return -OCFS2_FILECHECK_ERR_INVALIDINO;
}
if (!(di->i_flags & cpu_to_le32(OCFS2_VALID_FL))) {
/* Cannot just add VALID_FL flag back as a fix,
* need more things to check here.
*/
return -OCFS2_FILECHECK_ERR_VALIDFLAG;
}
if (le64_to_cpu(di->i_blkno) != bh->b_blocknr) {
di->i_blkno = cpu_to_le64(bh->b_blocknr);
changed = 1;
mlog(ML_ERROR,
"Filecheck: reset dinode #%llu: i_blkno to %llu\n",
(unsigned long long)bh->b_blocknr,
(unsigned long long)le64_to_cpu(di->i_blkno));
}
if (le32_to_cpu(di->i_fs_generation) !=
OCFS2_SB(sb)->fs_generation) {
di->i_fs_generation = cpu_to_le32(OCFS2_SB(sb)->fs_generation);
changed = 1;
mlog(ML_ERROR,
"Filecheck: reset dinode #%llu: fs_generation to %u\n",
(unsigned long long)bh->b_blocknr,
le32_to_cpu(di->i_fs_generation));
}
if (changed || ocfs2_validate_meta_ecc(sb, bh->b_data, &di->i_check)) {
ocfs2_compute_meta_ecc(sb, bh->b_data, &di->i_check);
mark_buffer_dirty(bh);
mlog(ML_ERROR,
"Filecheck: reset dinode #%llu: compute meta ecc\n",
(unsigned long long)bh->b_blocknr);
}
return 0;
}
