/* If checksum is bad mark all blocks used to prevent allocation
                 * essentially implementing a per-group read-only flag. */
                if (!ext4_group_desc_csum_verify(sbi, block_group, gdp)) {
-                       ext4_error(sb, __FUNCTION__,
+                       ext4_error(sb, __func__,
                                  "Checksum bad for group %lu\n", block_group);
                        gdp->bg_free_blocks_count = 0;
                        gdp->bg_free_inodes_count = 0;
                return 1;
 
 err_out:
-       ext4_error(sb, __FUNCTION__,
+       ext4_error(sb, __func__,
                        "Invalid block bitmap - "
                        "block_group = %d, block = %llu",
                        block_group, bitmap_blk);
        bitmap_blk = ext4_block_bitmap(sb, desc);
        bh = sb_getblk(sb, bitmap_blk);
        if (unlikely(!bh)) {
-               ext4_error(sb, __FUNCTION__,
+               ext4_error(sb, __func__,
                            "Cannot read block bitmap - "
                            "block_group = %d, block_bitmap = %llu",
                            (int)block_group, (unsigned long long)bitmap_blk);
        }
        if (bh_submit_read(bh) < 0) {
                put_bh(bh);
-               ext4_error(sb, __FUNCTION__,
+               ext4_error(sb, __func__,
                            "Cannot read block bitmap - "
                            "block_group = %d, block_bitmap = %llu",
                            (int)block_group, (unsigned long long)bitmap_blk);
                BUG();
 }
 #define rsv_window_dump(root, verbose) \
-       __rsv_window_dump((root), (verbose), __FUNCTION__)
+       __rsv_window_dump((root), (verbose), __func__)
 #else
 #define rsv_window_dump(root, verbose) do {} while (0)
 #endif
                if (!ext4_clear_bit_atomic(sb_bgl_lock(sbi, block_group),
                                                bit + i, bitmap_bh->b_data)) {
                        jbd_unlock_bh_state(bitmap_bh);
-                       ext4_error(sb, __FUNCTION__,
+                       ext4_error(sb, __func__,
                                   "bit already cleared for block %llu",
                                   (ext4_fsblk_t)(block + i));
                        jbd_lock_bh_state(bitmap_bh);
                        if (ext4_test_bit(grp_alloc_blk+i,
                                        bh2jh(bitmap_bh)->b_committed_data)) {
                                printk("%s: block was unexpectedly set in "
-                                       "b_committed_data\n", __FUNCTION__);
+                                       "b_committed_data\n", __func__);
                        }
                }
        }
 
 {
        int err = jbd2_journal_get_undo_access(handle, bh);
        if (err)
-               ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+               ext4_journal_abort_handle(where, __func__, bh, handle, err);
        return err;
 }
 
 {
        int err = jbd2_journal_get_write_access(handle, bh);
        if (err)
-               ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+               ext4_journal_abort_handle(where, __func__, bh, handle, err);
        return err;
 }
 
 {
        int err = jbd2_journal_forget(handle, bh);
        if (err)
-               ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+               ext4_journal_abort_handle(where, __func__, bh, handle, err);
        return err;
 }
 
 {
        int err = jbd2_journal_revoke(handle, blocknr, bh);
        if (err)
-               ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+               ext4_journal_abort_handle(where, __func__, bh, handle, err);
        return err;
 }
 
 {
        int err = jbd2_journal_get_create_access(handle, bh);
        if (err)
-               ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+               ext4_journal_abort_handle(where, __func__, bh, handle, err);
        return err;
 }
 
 {
        int err = jbd2_journal_dirty_metadata(handle, bh);
        if (err)
-               ext4_journal_abort_handle(where, __FUNCTION__, bh, handle,err);
+               ext4_journal_abort_handle(where, __func__, bh, handle, err);
        return err;
 }
 
 }
 
 #define ext4_ext_check_header(inode, eh, depth)        \
-       __ext4_ext_check_header(__FUNCTION__, inode, eh, depth)
+       __ext4_ext_check_header(__func__, inode, eh, depth)
 
 #ifdef EXT_DEBUG
 static void ext4_ext_show_path(struct inode *inode, struct ext4_ext_path *path)
 
        /* If checksum is bad mark all blocks and inodes use to prevent
         * allocation, essentially implementing a per-group read-only flag. */
        if (!ext4_group_desc_csum_verify(sbi, block_group, gdp)) {
-               ext4_error(sb, __FUNCTION__, "Checksum bad for group %lu\n",
+               ext4_error(sb, __func__, "Checksum bad for group %lu\n",
                           block_group);
                gdp->bg_free_blocks_count = 0;
                gdp->bg_free_inodes_count = 0;
        ino++;
        if ((group == 0 && ino < EXT4_FIRST_INO(sb)) ||
            ino > EXT4_INODES_PER_GROUP(sb)) {
-               ext4_error(sb, __FUNCTION__,
+               ext4_error(sb, __func__,
                           "reserved inode or inode > inodes count - "
                           "block_group = %lu, inode=%lu", group,
                           ino + group * EXT4_INODES_PER_GROUP(sb));
 
        /* Error cases - e2fsck has already cleaned up for us */
        if (ino > max_ino) {
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                             "bad orphan ino %lu!  e2fsck was run?", ino);
                goto error;
        }
        bit = (ino - 1) % EXT4_INODES_PER_GROUP(sb);
        bitmap_bh = read_inode_bitmap(sb, block_group);
        if (!bitmap_bh) {
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                             "inode bitmap error for orphan %lu", ino);
                goto error;
        }
        err = PTR_ERR(inode);
        inode = NULL;
 bad_orphan:
-       ext4_warning(sb, __FUNCTION__,
+       ext4_warning(sb, __func__,
                     "bad orphan inode %lu!  e2fsck was run?", ino);
        printk(KERN_NOTICE "ext4_test_bit(bit=%d, block=%llu) = %d\n",
               bit, (unsigned long long)bitmap_bh->b_blocknr,
 
        BUFFER_TRACE(bh, "call ext4_journal_revoke");
        err = ext4_journal_revoke(handle, blocknr, bh);
        if (err)
-               ext4_abort(inode->i_sb, __FUNCTION__,
+               ext4_abort(inode->i_sb, __func__,
                           "error %d when attempting revoke", err);
        BUFFER_TRACE(bh, "exit");
        return err;
 {
        int err = jbd2_journal_dirty_data(handle, bh);
        if (err)
-               ext4_journal_abort_handle(__FUNCTION__, __FUNCTION__,
+               ext4_journal_abort_handle(__func__, __func__,
                                                bh, handle, err);
        return err;
 }
                                EXT4_I(inode)->i_state |= EXT4_STATE_NO_EXPAND;
                                if (mnt_count !=
                                        le16_to_cpu(sbi->s_es->s_mnt_count)) {
-                                       ext4_warning(inode->i_sb, __FUNCTION__,
+                                       ext4_warning(inode->i_sb, __func__,
                                        "Unable to expand inode %lu. Delete"
                                        " some EAs or run e2fsck.",
                                        inode->i_ino);
                current_handle->h_transaction != handle->h_transaction) {
                /* This task has a transaction open against a different fs */
                printk(KERN_EMERG "%s: transactions do not match!\n",
-                      __FUNCTION__);
+                      __func__);
        } else {
                jbd_debug(5, "marking dirty.  outer handle=%p\n",
                                current_handle);
 
                        blocknr +=
                            le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block);
 
-                       ext4_error(sb, __FUNCTION__, "double-free of inode"
+                       ext4_error(sb, __func__, "double-free of inode"
                                   " %lu's block %llu(bit %u in group %lu)\n",
                                   inode ? inode->i_ino : 0, blocknr,
                                   first + i, e4b->bd_group);
 }
 #undef MB_CHECK_ASSERT
 #define mb_check_buddy(e4b) __mb_check_buddy(e4b,      \
-                                       __FILE__, __FUNCTION__, __LINE__)
+                                       __FILE__, __func__, __LINE__)
 #else
 #define mb_check_buddy(e4b)
 #endif
        grp->bb_fragments = fragments;
 
        if (free != grp->bb_free) {
-               ext4_error(sb, __FUNCTION__,
+               ext4_error(sb, __func__,
                        "EXT4-fs: group %lu: %u blocks in bitmap, %u in gd\n",
                        group, free, grp->bb_free);
                /*
                        blocknr +=
                            le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block);
 
-                       ext4_error(sb, __FUNCTION__, "double-free of inode"
+                       ext4_error(sb, __func__, "double-free of inode"
                                   " %lu's block %llu(bit %u in group %lu)\n",
                                   inode ? inode->i_ino : 0, blocknr, block,
                                   e4b->bd_group);
                         * free blocks even though group info says we
                         * we have free blocks
                         */
-                       ext4_error(sb, __FUNCTION__, "%d free blocks as per "
+                       ext4_error(sb, __func__, "%d free blocks as per "
                                        "group info. But bitmap says 0\n",
                                        free);
                        break;
                mb_find_extent(e4b, 0, i, ac->ac_g_ex.fe_len, &ex);
                BUG_ON(ex.fe_len <= 0);
                if (free < ex.fe_len) {
-                       ext4_error(sb, __FUNCTION__, "%d free blocks as per "
+                       ext4_error(sb, __func__, "%d free blocks as per "
                                        "group info. But got %d blocks\n",
                                        free, ex.fe_len);
                        /*
                        in_range(block, ext4_inode_table(sb, gdp),
                                EXT4_SB(sb)->s_itb_per_group)) {
 
-               ext4_error(sb, __FUNCTION__,
+               ext4_error(sb, __func__,
                           "Allocating block in system zone - block = %llu",
                           block);
        }
                        pa, (unsigned long) pa->pa_lstart,
                        (unsigned long) pa->pa_pstart,
                        (unsigned long) pa->pa_len);
-               ext4_error(sb, __FUNCTION__, "free %u, pa_free %u\n",
+               ext4_error(sb, __func__, "free %u, pa_free %u\n",
                                                free, pa->pa_free);
                /*
                 * pa is already deleted so we use the value obtained
        if (block < le32_to_cpu(es->s_first_data_block) ||
            block + count < block ||
            block + count > ext4_blocks_count(es)) {
-               ext4_error(sb, __FUNCTION__,
+               ext4_error(sb, __func__,
                            "Freeing blocks not in datazone - "
                            "block = %lu, count = %lu", block, count);
                goto error_return;
            in_range(block + count - 1, ext4_inode_table(sb, gdp),
                      EXT4_SB(sb)->s_itb_per_group)) {
 
-               ext4_error(sb, __FUNCTION__,
+               ext4_error(sb, __func__,
                           "Freeing blocks in system zone - "
                           "Block = %lu, count = %lu", block, count);
        }
 
        if (root->info.hash_version != DX_HASH_TEA &&
            root->info.hash_version != DX_HASH_HALF_MD4 &&
            root->info.hash_version != DX_HASH_LEGACY) {
-               ext4_warning(dir->i_sb, __FUNCTION__,
+               ext4_warning(dir->i_sb, __func__,
                             "Unrecognised inode hash code %d",
                             root->info.hash_version);
                brelse(bh);
        hash = hinfo->hash;
 
        if (root->info.unused_flags & 1) {
-               ext4_warning(dir->i_sb, __FUNCTION__,
+               ext4_warning(dir->i_sb, __func__,
                             "Unimplemented inode hash flags: %#06x",
                             root->info.unused_flags);
                brelse(bh);
        }
 
        if ((indirect = root->info.indirect_levels) > 1) {
-               ext4_warning(dir->i_sb, __FUNCTION__,
+               ext4_warning(dir->i_sb, __func__,
                             "Unimplemented inode hash depth: %#06x",
                             root->info.indirect_levels);
                brelse(bh);
 
        if (dx_get_limit(entries) != dx_root_limit(dir,
                                                   root->info.info_length)) {
-               ext4_warning(dir->i_sb, __FUNCTION__,
+               ext4_warning(dir->i_sb, __func__,
                             "dx entry: limit != root limit");
                brelse(bh);
                *err = ERR_BAD_DX_DIR;
        {
                count = dx_get_count(entries);
                if (!count || count > dx_get_limit(entries)) {
-                       ext4_warning(dir->i_sb, __FUNCTION__,
+                       ext4_warning(dir->i_sb, __func__,
                                     "dx entry: no count or count > limit");
                        brelse(bh);
                        *err = ERR_BAD_DX_DIR;
                        goto fail2;
                at = entries = ((struct dx_node *) bh->b_data)->entries;
                if (dx_get_limit(entries) != dx_node_limit (dir)) {
-                       ext4_warning(dir->i_sb, __FUNCTION__,
+                       ext4_warning(dir->i_sb, __func__,
                                     "dx entry: limit != node limit");
                        brelse(bh);
                        *err = ERR_BAD_DX_DIR;
        }
 fail:
        if (*err == ERR_BAD_DX_DIR)
-               ext4_warning(dir->i_sb, __FUNCTION__,
+               ext4_warning(dir->i_sb, __func__,
                             "Corrupt dir inode %ld, running e2fsck is "
                             "recommended.", dir->i_ino);
        return NULL;
                wait_on_buffer(bh);
                if (!buffer_uptodate(bh)) {
                        /* read error, skip block & hope for the best */
-                       ext4_error(sb, __FUNCTION__, "reading directory #%lu "
+                       ext4_error(sb, __func__, "reading directory #%lu "
                                   "offset %lu", dir->i_ino,
                                   (unsigned long)block);
                        brelse(bh);
                retval = ext4_htree_next_block(dir, hash, frame,
                                               frames, NULL);
                if (retval < 0) {
-                       ext4_warning(sb, __FUNCTION__,
+                       ext4_warning(sb, __func__,
                             "error reading index page in directory #%lu",
                             dir->i_ino);
                        *err = retval;
 
                if (levels && (dx_get_count(frames->entries) ==
                               dx_get_limit(frames->entries))) {
-                       ext4_warning(sb, __FUNCTION__,
+                       ext4_warning(sb, __func__,
                                     "Directory index full!");
                        err = -ENOSPC;
                        goto cleanup;
        if (inode->i_size < EXT4_DIR_REC_LEN(1) + EXT4_DIR_REC_LEN(2) ||
            !(bh = ext4_bread (NULL, inode, 0, 0, &err))) {
                if (err)
-                       ext4_error(inode->i_sb, __FUNCTION__,
+                       ext4_error(inode->i_sb, __func__,
                                   "error %d reading directory #%lu offset 0",
                                   err, inode->i_ino);
                else
-                       ext4_warning(inode->i_sb, __FUNCTION__,
+                       ext4_warning(inode->i_sb, __func__,
                                     "bad directory (dir #%lu) - no data block",
                                     inode->i_ino);
                return 1;
                                offset >> EXT4_BLOCK_SIZE_BITS(sb), 0, &err);
                        if (!bh) {
                                if (err)
-                                       ext4_error(sb, __FUNCTION__,
+                                       ext4_error(sb, __func__,
                                                   "error %d reading directory"
                                                   " #%lu offset %lu",
                                                   err, inode->i_ino, offset);
 
 
        ext4_get_group_no_and_offset(sb, start, NULL, &offset);
        if (group != sbi->s_groups_count)
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                             "Cannot add at group %u (only %lu groups)",
                             input->group, sbi->s_groups_count);
        else if (offset != 0)
-                       ext4_warning(sb, __FUNCTION__, "Last group not full");
+                       ext4_warning(sb, __func__, "Last group not full");
        else if (input->reserved_blocks > input->blocks_count / 5)
-               ext4_warning(sb, __FUNCTION__, "Reserved blocks too high (%u)",
+               ext4_warning(sb, __func__, "Reserved blocks too high (%u)",
                             input->reserved_blocks);
        else if (free_blocks_count < 0)
-               ext4_warning(sb, __FUNCTION__, "Bad blocks count %u",
+               ext4_warning(sb, __func__, "Bad blocks count %u",
                             input->blocks_count);
        else if (!(bh = sb_bread(sb, end - 1)))
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                             "Cannot read last block (%llu)",
                             end - 1);
        else if (outside(input->block_bitmap, start, end))
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                             "Block bitmap not in group (block %llu)",
                             (unsigned long long)input->block_bitmap);
        else if (outside(input->inode_bitmap, start, end))
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                             "Inode bitmap not in group (block %llu)",
                             (unsigned long long)input->inode_bitmap);
        else if (outside(input->inode_table, start, end) ||
                 outside(itend - 1, start, end))
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                             "Inode table not in group (blocks %llu-%llu)",
                             (unsigned long long)input->inode_table, itend - 1);
        else if (input->inode_bitmap == input->block_bitmap)
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                             "Block bitmap same as inode bitmap (%llu)",
                             (unsigned long long)input->block_bitmap);
        else if (inside(input->block_bitmap, input->inode_table, itend))
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                             "Block bitmap (%llu) in inode table (%llu-%llu)",
                             (unsigned long long)input->block_bitmap,
                             (unsigned long long)input->inode_table, itend - 1);
        else if (inside(input->inode_bitmap, input->inode_table, itend))
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                             "Inode bitmap (%llu) in inode table (%llu-%llu)",
                             (unsigned long long)input->inode_bitmap,
                             (unsigned long long)input->inode_table, itend - 1);
        else if (inside(input->block_bitmap, start, metaend))
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                             "Block bitmap (%llu) in GDT table"
                             " (%llu-%llu)",
                             (unsigned long long)input->block_bitmap,
                             start, metaend - 1);
        else if (inside(input->inode_bitmap, start, metaend))
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                             "Inode bitmap (%llu) in GDT table"
                             " (%llu-%llu)",
                             (unsigned long long)input->inode_bitmap,
                             start, metaend - 1);
        else if (inside(input->inode_table, start, metaend) ||
                 inside(itend - 1, start, metaend))
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                             "Inode table (%llu-%llu) overlaps"
                             "GDT table (%llu-%llu)",
                             (unsigned long long)input->inode_table,
        while ((grp = ext4_list_backups(sb, &three, &five, &seven)) < end) {
                if (le32_to_cpu(*p++) !=
                    grp * EXT4_BLOCKS_PER_GROUP(sb) + blk){
-                       ext4_warning(sb, __FUNCTION__,
+                       ext4_warning(sb, __func__,
                                     "reserved GDT %llu"
                                     " missing grp %d (%llu)",
                                     blk, grp,
         */
        if (EXT4_SB(sb)->s_sbh->b_blocknr !=
            le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block)) {
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                        "won't resize using backup superblock at %llu",
                        (unsigned long long)EXT4_SB(sb)->s_sbh->b_blocknr);
                return -EPERM;
 
        data = (__le32 *)dind->b_data;
        if (le32_to_cpu(data[gdb_num % EXT4_ADDR_PER_BLOCK(sb)]) != gdblock) {
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                             "new group %u GDT block %llu not reserved",
                             input->group, gdblock);
                err = -EINVAL;
                        GFP_KERNEL);
        if (!n_group_desc) {
                err = -ENOMEM;
-               ext4_warning (sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                              "not enough memory for %lu groups", gdb_num + 1);
                goto exit_inode;
        }
        /* Get each reserved primary GDT block and verify it holds backups */
        for (res = 0; res < reserved_gdb; res++, blk++) {
                if (le32_to_cpu(*data) != blk) {
-                       ext4_warning(sb, __FUNCTION__,
+                       ext4_warning(sb, __func__,
                                     "reserved block %llu"
                                     " not at offset %ld",
                                     blk,
         */
 exit_err:
        if (err) {
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                             "can't update backup for group %lu (err %d), "
                             "forcing fsck on next reboot", group, err);
                sbi->s_mount_state &= ~EXT4_VALID_FS;
 
        if (gdb_off == 0 && !EXT4_HAS_RO_COMPAT_FEATURE(sb,
                                        EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER)) {
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                             "Can't resize non-sparse filesystem further");
                return -EPERM;
        }
 
        if (ext4_blocks_count(es) + input->blocks_count <
            ext4_blocks_count(es)) {
-               ext4_warning(sb, __FUNCTION__, "blocks_count overflow\n");
+               ext4_warning(sb, __func__, "blocks_count overflow\n");
                return -EINVAL;
        }
 
        if (le32_to_cpu(es->s_inodes_count) + EXT4_INODES_PER_GROUP(sb) <
            le32_to_cpu(es->s_inodes_count)) {
-               ext4_warning(sb, __FUNCTION__, "inodes_count overflow\n");
+               ext4_warning(sb, __func__, "inodes_count overflow\n");
                return -EINVAL;
        }
 
        if (reserved_gdb || gdb_off == 0) {
                if (!EXT4_HAS_COMPAT_FEATURE(sb,
                                             EXT4_FEATURE_COMPAT_RESIZE_INODE)){
-                       ext4_warning(sb, __FUNCTION__,
+                       ext4_warning(sb, __func__,
                                     "No reserved GDT blocks, can't resize");
                        return -EPERM;
                }
                inode = ext4_iget(sb, EXT4_RESIZE_INO);
                if (IS_ERR(inode)) {
-                       ext4_warning(sb, __FUNCTION__,
+                       ext4_warning(sb, __func__,
                                     "Error opening resize inode");
                        return PTR_ERR(inode);
                }
 
        lock_super(sb);
        if (input->group != sbi->s_groups_count) {
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                             "multiple resizers run on filesystem!");
                err = -EBUSY;
                goto exit_journal;
                        " too large to resize to %llu blocks safely\n",
                        sb->s_id, n_blocks_count);
                if (sizeof(sector_t) < 8)
-                       ext4_warning(sb, __FUNCTION__,
+                       ext4_warning(sb, __func__,
                        "CONFIG_LBD not enabled\n");
                return -EINVAL;
        }
 
        if (n_blocks_count < o_blocks_count) {
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                             "can't shrink FS - resize aborted");
                return -EBUSY;
        }
        ext4_get_group_no_and_offset(sb, o_blocks_count, NULL, &last);
 
        if (last == 0) {
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                             "need to use ext2online to resize further");
                return -EPERM;
        }
        add = EXT4_BLOCKS_PER_GROUP(sb) - last;
 
        if (o_blocks_count + add < o_blocks_count) {
-               ext4_warning(sb, __FUNCTION__, "blocks_count overflow");
+               ext4_warning(sb, __func__, "blocks_count overflow");
                return -EINVAL;
        }
 
                add = n_blocks_count - o_blocks_count;
 
        if (o_blocks_count + add < n_blocks_count)
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                             "will only finish group (%llu"
                             " blocks, %u new)",
                             o_blocks_count + add, add);
        /* See if the device is actually as big as what was requested */
        bh = sb_bread(sb, o_blocks_count + add -1);
        if (!bh) {
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                             "can't read last block, resize aborted");
                return -ENOSPC;
        }
        handle = ext4_journal_start_sb(sb, 3);
        if (IS_ERR(handle)) {
                err = PTR_ERR(handle);
-               ext4_warning(sb, __FUNCTION__, "error %d on journal start",err);
+               ext4_warning(sb, __func__, "error %d on journal start", err);
                goto exit_put;
        }
 
        lock_super(sb);
        if (o_blocks_count != ext4_blocks_count(es)) {
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                             "multiple resizers run on filesystem!");
                unlock_super(sb);
                ext4_journal_stop(handle);
 
        if ((err = ext4_journal_get_write_access(handle,
                                                 EXT4_SB(sb)->s_sbh))) {
-               ext4_warning(sb, __FUNCTION__,
+               ext4_warning(sb, __func__,
                             "error %d on journal write access", err);
                unlock_super(sb);
                ext4_journal_stop(handle);
 
         * take the FS itself readonly cleanly. */
        journal = EXT4_SB(sb)->s_journal;
        if (is_journal_aborted(journal)) {
-               ext4_abort(sb, __FUNCTION__,
+               ext4_abort(sb, __func__,
                           "Detected aborted journal");
                return ERR_PTR(-EROFS);
        }
        if (le32_to_cpu(es->s_rev_level) > EXT4_GOOD_OLD_REV)
                return;
 
-       ext4_warning(sb, __FUNCTION__,
+       ext4_warning(sb, __func__,
                     "updating to rev %d because of new feature flag, "
                     "running e2fsck is recommended",
                     EXT4_DYNAMIC_REV);
                        return 0;
                }
                if (!ext4_group_desc_csum_verify(sbi, i, gdp)) {
-                       ext4_error(sb, __FUNCTION__,
+                       ext4_error(sb, __func__,
                                   "Checksum for group %lu failed (%u!=%u)\n",
                                    i, le16_to_cpu(ext4_group_desc_csum(sbi, i,
                                    gdp)), le16_to_cpu(gdp->bg_checksum));
                if (inode->i_nlink) {
                        printk(KERN_DEBUG
                                "%s: truncating inode %lu to %Ld bytes\n",
-                               __FUNCTION__, inode->i_ino, inode->i_size);
+                               __func__, inode->i_ino, inode->i_size);
                        jbd_debug(2, "truncating inode %lu to %Ld bytes\n",
                                  inode->i_ino, inode->i_size);
                        ext4_truncate(inode);
                } else {
                        printk(KERN_DEBUG
                                "%s: deleting unreferenced inode %lu\n",
-                               __FUNCTION__, inode->i_ino);
+                               __func__, inode->i_ino);
                        jbd_debug(2, "deleting unreferenced inode %lu\n",
                                  inode->i_ino);
                        nr_orphans++;
                char nbuf[16];
 
                errstr = ext4_decode_error(sb, j_errno, nbuf);
-               ext4_warning(sb, __FUNCTION__, "Filesystem error recorded "
+               ext4_warning(sb, __func__, "Filesystem error recorded "
                             "from previous mount: %s", errstr);
-               ext4_warning(sb, __FUNCTION__, "Marking fs in need of "
+               ext4_warning(sb, __func__, "Marking fs in need of "
                             "filesystem check.");
 
                EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS;
        }
 
        if (sbi->s_mount_opt & EXT4_MOUNT_ABORT)
-               ext4_abort(sb, __FUNCTION__, "Abort forced by user");
+               ext4_abort(sb, __func__, "Abort forced by user");
 
        sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
                ((sbi->s_mount_opt & EXT4_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0);
 
        ea_bdebug(bh, "b_count=%d, refcount=%d",
                atomic_read(&(bh->b_count)), le32_to_cpu(BHDR(bh)->h_refcount));
        if (ext4_xattr_check_block(bh)) {
-bad_block:     ext4_error(inode->i_sb, __FUNCTION__,
+bad_block:     ext4_error(inode->i_sb, __func__,
                           "inode %lu: bad block %llu", inode->i_ino,
                           EXT4_I(inode)->i_file_acl);
                error = -EIO;
        ea_bdebug(bh, "b_count=%d, refcount=%d",
                atomic_read(&(bh->b_count)), le32_to_cpu(BHDR(bh)->h_refcount));
        if (ext4_xattr_check_block(bh)) {
-               ext4_error(inode->i_sb, __FUNCTION__,
+               ext4_error(inode->i_sb, __func__,
                           "inode %lu: bad block %llu", inode->i_ino,
                           EXT4_I(inode)->i_file_acl);
                error = -EIO;
                        atomic_read(&(bs->bh->b_count)),
                        le32_to_cpu(BHDR(bs->bh)->h_refcount));
                if (ext4_xattr_check_block(bs->bh)) {
-                       ext4_error(sb, __FUNCTION__,
+                       ext4_error(sb, __func__,
                                "inode %lu: bad block %llu", inode->i_ino,
                                EXT4_I(inode)->i_file_acl);
                        error = -EIO;
        goto cleanup;
 
 bad_block:
-       ext4_error(inode->i_sb, __FUNCTION__,
+       ext4_error(inode->i_sb, __func__,
                   "inode %lu: bad block %llu", inode->i_ino,
                   EXT4_I(inode)->i_file_acl);
        goto cleanup;
                if (!bh)
                        goto cleanup;
                if (ext4_xattr_check_block(bh)) {
-                       ext4_error(inode->i_sb, __FUNCTION__,
+                       ext4_error(inode->i_sb, __func__,
                                "inode %lu: bad block %llu", inode->i_ino,
                                EXT4_I(inode)->i_file_acl);
                        error = -EIO;
                goto cleanup;
        bh = sb_bread(inode->i_sb, EXT4_I(inode)->i_file_acl);
        if (!bh) {
-               ext4_error(inode->i_sb, __FUNCTION__,
+               ext4_error(inode->i_sb, __func__,
                        "inode %lu: block %llu read error", inode->i_ino,
                        EXT4_I(inode)->i_file_acl);
                goto cleanup;
        }
        if (BHDR(bh)->h_magic != cpu_to_le32(EXT4_XATTR_MAGIC) ||
            BHDR(bh)->h_blocks != cpu_to_le32(1)) {
-               ext4_error(inode->i_sb, __FUNCTION__,
+               ext4_error(inode->i_sb, __func__,
                        "inode %lu: bad block %llu", inode->i_ino,
                        EXT4_I(inode)->i_file_acl);
                goto cleanup;
                }
                bh = sb_bread(inode->i_sb, ce->e_block);
                if (!bh) {
-                       ext4_error(inode->i_sb, __FUNCTION__,
+                       ext4_error(inode->i_sb, __func__,
                                "inode %lu: block %lu read error",
                                inode->i_ino, (unsigned long) ce->e_block);
                } else if (le32_to_cpu(BHDR(bh)->h_refcount) >=