linux-ext4 - [Bug 195561] Suspicious persistent EXT4-fs error: ext4_validate_block_bitmap:395: [Proc] bg 17: block 557056: invalid block bitmap

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Message-ID: <bug-195561-13602-haykqp8imm@https.bugzilla.kernel.org/>
Date:   Mon, 24 Apr 2017 16:53:34 +0000
From:   bugzilla-daemon@...zilla.kernel.org
To:     linux-ext4@...nel.org
Subject: [Bug 195561] Suspicious persistent EXT4-fs error:
 ext4_validate_block_bitmap:395: [Proc] bg 17: block 557056: invalid block
 bitmap

https://bugzilla.kernel.org/show_bug.cgi?id=195561

--- Comment #8 from Andreas Dilger (adilger.kernelbugzilla@...ger.ca) ---
Also, I don't think the "Lustre HACK that avoids the ext4_error() and signals
an ext4_warning()" patch is all that bad, and I wouldn't be against landing it.
 I think bitmap corruption can happen for a large number of reasons, and
localizing the problems to a single block group can avoid taking the whole
server out.

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