Revert "mke2fs: prevent creation of unmountable ext4 with large flex_bg count"

[tools/e2fsprogs.git] / lib / ext2fs / initialize.c

diff --git a/lib/ext2fs/initialize.c b/lib/ext2fs/initialize.c
index de358fd..36c94a9 100644 (file)
--- a/lib/ext2fs/initialize.c
+++ b/lib/ext2fs/initialize.c
@@ -91,10 +91,8 @@ errcode_t ext2fs_initialize(const char *name, int flags,
        unsigned int    rem;
        unsigned int    overhead = 0;
        unsigned int    ipg;
-       unsigned int    flexbg_size;
        dgrp_t          i;
        blk64_t         free_blocks;
-       blk64_t         flexbg_overhead;
        blk_t           numblocks;
        int             rsv_gdt;
        int             csum_flag;
@@ -421,28 +419,6 @@ ipg_retry:
        }
 
        /*
-        * Calculate the flex_bg related metadata blocks count.
-        * It includes the boot block, the super block,
-        * the block group descriptors, the reserved gdt blocks,
-        * the block bitmaps, the inode bitmaps and the inode tables.
-        * This is a simple check, so that the backup superblock and
-        * other feature related blocks are not considered.
-        */
-       flexbg_size = 1 << fs->super->s_log_groups_per_flex;
-       flexbg_overhead = super->s_first_data_block + 1 +
-               fs->desc_blocks + super->s_reserved_gdt_blocks +
-               (__u64)flexbg_size * (2 + fs->inode_blocks_per_group);
-
-       /*
-        * Disallow creating ext4 which breaks flex_bg metadata layout
-        * obviously.
-        */
-       if (flexbg_overhead > ext2fs_blocks_count(fs->super)) {
-               retval = EXT2_ET_INVALID_ARGUMENT;
-               goto cleanup;
-       }
-
-       /*
         * At this point we know how big the filesystem will be.  So
         * we can do any and all allocations that depend on the block
         * count.