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Qu Wenruo
04e1a5e067
Commit a514d63882c3 ("btrfs: qgroup: Commit transaction in advance
to reduce early EDQUOT") is no longer forcing transaction commit to
reclaim space, and only commits transaction asynchronously in
advance to address it.
However the criteria used in async transaction commit is not
comprehensive, thus it doesn't reclaim space automatically.
This test case will check the behavior by:
1) Falloc a large padding file
This file will take 90% of the qgroup limit
2) Sync the fs
To reflect the qgroup changes
3) Delete the file
Qgroup won't reclaim the space until transaction committed.
4) Try to write a file
If kernel not fixed, qgroup will not automatically commit transaction
to reclaim the freed space and hit EDQUOT.
This bug is going to be fixed by a patch for kernel titled:
"btrfs: qgroup: Make qgroup async transaction commit more aggressive".
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
4 lines
128 B
Plaintext
4 lines
128 B
Plaintext
QA output created by 180
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wrote 536870912/536870912 bytes at offset 0
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XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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