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Merge pull request #584 from colin-foster-in-advantage/block_size_mount_fail

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Fail mount when the block size changes
This commit is contained in:
Christopher Haster
2022-04-10 14:44:24 -05:00
committed by GitHub
parent 9c7e232086 cf274e6ec6
commit f40b854ab5
1 changed files with 14 additions and 0 deletions
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14
lfs.c
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@@ -3769,6 +3769,20 @@ static int lfs_rawmount(lfs_t *lfs, const struct lfs_config *cfg) {
lfs->attr_max = superblock.attr_max; lfs->attr_max = superblock.attr_max;
} }
if (superblock.block_count != lfs->cfg->block_count) {
LFS_ERROR("Invalid block count (%"PRIu32" != %"PRIu32")",
superblock.block_count, lfs->cfg->block_count);
err = LFS_ERR_INVAL;
goto cleanup;
}
if (superblock.block_size != lfs->cfg->block_size) {
LFS_ERROR("Invalid block size (%"PRIu32" != %"PRIu32")",
superblock.block_count, lfs->cfg->block_count);
err = LFS_ERR_INVAL;
goto cleanup;
}
} }
// has gstate? // has gstate?