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Message-ID: <170476879011.637731.13228432208887255974.b4-ty@mit.edu> Date: Mon, 8 Jan 2024 21:53:18 -0500 From: "Theodore Ts'o" <tytso@....edu> To: linux-ext4@...r.kernel.org, Ojaswin Mujoo <ojaswin@...ux.ibm.com> Cc: "Theodore Ts'o" <tytso@....edu>, Ritesh Harjani <ritesh.list@...il.com>, linux-kernel@...r.kernel.org, Jan Kara <jack@...e.cz>, glandvador@...oo.com, bugzilla@...l.emu.id.au Subject: Re: [PATCH 0/1] Fix for recent bugzilla reports related to long halts during block allocation On Fri, 15 Dec 2023 16:49:49 +0530, Ojaswin Mujoo wrote: > This patch intends to fix the recent bugzilla [1] report where the > kworker flush thread seemed to be taking 100% CPU utilizationa and was > slowing down the whole system. The backtrace indicated that we were > stuck in mballoc allocation path. The issue was only seen kernel 6.5+ > and when ext4 was mounted with -o stripe (or stripe option was > implicitly added due us mkfs flags used). > > [...] Applied, thanks! [1/1] ext4: fallback to complex scan if aligned scan doesn't work commit: a26b6faf7f1c9c1ba6edb3fea9d1390201f2ed50 Best regards, -- Theodore Ts'o <tytso@....edu>
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