meta: forbid empty name for dentry

[SandyXSD]

No description provided.

[codecov-commenter]

Codecov Report

Merging #1687 (ef8476b) into main (5284e15) will increase coverage by 0.05%.
The diff coverage is 0.00%.

❗ Current head ef8476b differs from pull request most recent head 9e5d180. Consider uploading reports for the commit 9e5d180 to get more accurate results

@@            Coverage Diff             @@
##             main    #1687      +/-   ##
==========================================
+ Coverage   61.71%   61.76%   +0.05%     
==========================================
  Files         134      134              
  Lines       22651    22657       +6     
==========================================
+ Hits        13978    13994      +16     
+ Misses       7101     7091      -10     
  Partials     1572     1572              

Impacted Files	Coverage Δ
pkg/meta/base.go	72.02% <0.00%> (-0.40%)	⬇️
pkg/vfs/writer.go	78.64% <0.00%> (-1.02%)	⬇️
pkg/meta/sql.go	67.08% <0.00%> (ø)
pkg/chunk/disk_cache.go	80.33% <0.00%> (ø)
pkg/vfs/reader.go	84.67% <0.00%> (+3.10%)	⬆️

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