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Thu, 25 Dec 2025 19:07:32 -0800 (PST) Message-ID: <18e6a584-b6fb-47f9-b526-4e97798052a2@gmail.com> Date: Fri, 26 Dec 2025 11:07:28 +0800 Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: boris@bur.io Cc: kernel-team@fb.com, linux-btrfs@vger.kernel.org References: <52b863849f0dd63b3d25a29c8a830a09c748d86b.1752605888.git.boris@bur.io> Subject: Re: [PATCH] btrfs: make periodic dynamic reclaim the default for data Content-Language: en-US From: Sun Yangkai In-Reply-To: <52b863849f0dd63b3d25a29c8a830a09c748d86b.1752605888.git.boris@bur.io> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Hi Boris, Thank you for bring such a feature for btrfs. I love it a lot and try to enable it on my machine. But I've get into some unexpected behavior when periodic dynamic reclaim is enabled and the filesystem is nearly full. [12月26 10:41] [T20373] BTRFS info (device sda): relocating block group 5214541578240 flags data [ +0.012446] [T20373] BTRFS error (device sda): error relocating chunk 5214541578240 [ +0.000033] [T20373] BTRFS info (device sda): relocating block group 4540021997568 flags data [ +0.008927] [T20373] BTRFS error (device sda): error relocating chunk 4540021997568 [ +0.000025] [T20373] BTRFS info (device sda): relocating block group 5606746750976 flags data [12月26 10:42] [T20373] BTRFS error (device sda): error relocating chunk 5606746750976 [12月26 10:47] [T12072] BTRFS info (device sda): relocating block group 5606746750976 flags data [ +3.960400] [T12072] BTRFS error (device sda): error relocating chunk 5606746750976 [12月26 10:52] [ T7643] BTRFS info (device sda): relocating block group 5606746750976 flags data [ +3.960314] [ T7643] BTRFS error (device sda): error relocating chunk 5606746750976 [12月26 10:57] [T20373] BTRFS info (device sda): relocating block group 5606746750976 flags data [ +3.954485] [T20373] BTRFS error (device sda): error relocating chunk 5606746750976 [12月26 11:02] [ T7701] BTRFS info (device sda): relocating block group 5606746750976 flags data [ +4.561796] [ T7701] BTRFS error (device sda): error relocating chunk 5606746750976 I guess the condition of when the periodic reclaim should happen is unpolished. I'm still digging further into it. Thanks, Sun YangKai