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From: Konstantin Khlebnikov <>
To: Andreas Dilger <>,, Theodore Ts'o <>,
Cc: Dmitry Monakhov <>,
	Eric Whitney <>
Subject: Re: [PATCH] ext4: deaccount delayed allocations at freeing inode in ext4_evict_inode()
Date: Tue, 29 Oct 2019 10:20:34 +0300
Message-ID: <> (raw)
In-Reply-To: <157233344808.4027.17162642259754563372.stgit@buzz>

On 29/10/2019 10.17, Konstantin Khlebnikov wrote:
> If inode->i_blocks is zero then ext4_evict_inode() skips ext4_truncate().
> Delayed allocation extents are freed later in ext4_clear_inode() but this
> happens when quota reference is already dropped. This leads to leak of
> reserved space in quota block, which disappears after umount-mount.
> This seems broken for a long time but worked somehow until recent changes
> in delayed allocation.

FYI, perf cannot correctly parse related perf events without this:

  reply index

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-29  7:17 Konstantin Khlebnikov
2019-10-29  7:20 ` Konstantin Khlebnikov [this message]
2019-11-07 17:58 ` Konstantin Khlebnikov
2019-11-08  2:08 ` Ritesh Harjani
2019-11-08  8:30   ` Konstantin Khlebnikov
2019-11-08 11:54     ` Jan Kara
2019-11-15  0:27       ` Theodore Y. Ts'o

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