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Tue, 13 Feb 2024 12:03:49 +0000 (UTC) Received: from dovecot-director2.suse.de ([10.150.64.162]) by imap1.dmz-prg2.suse.org with ESMTPSA id qRFQIqVay2X+AgAAD6G6ig (envelope-from ); Tue, 13 Feb 2024 12:03:49 +0000 Message-ID: <30d805b3-4ee4-45ad-b619-b25fd0c5bb78@suse.de> Date: Tue, 13 Feb 2024 13:03:49 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC v2 01/14] fs: Allow fine-grained control of folio sizes Content-Language: en-US To: "Pankaj Raghav (Samsung)" , linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org Cc: mcgrof@kernel.org, gost.dev@samsung.com, akpm@linux-foundation.org, kbusch@kernel.org, djwong@kernel.org, chandan.babu@oracle.com, p.raghav@samsung.com, linux-kernel@vger.kernel.org, willy@infradead.org, linux-mm@kvack.org, david@fromorbit.com References: <20240213093713.1753368-1-kernel@pankajraghav.com> <20240213093713.1753368-2-kernel@pankajraghav.com> From: Hannes Reinecke In-Reply-To: <20240213093713.1753368-2-kernel@pankajraghav.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Level: Authentication-Results: smtp-out2.suse.de; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=2WsDMIBX; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=QrwIy2M6 X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Spamd-Result: default: False [-5.72 / 50.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; XM_UA_NO_VERSION(0.01)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; BAYES_HAM(-2.22)[96.30%]; MIME_GOOD(-0.10)[text/plain]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; NEURAL_HAM_LONG(-1.00)[-1.000]; DWL_DNSWL_MED(-2.00)[suse.de:dkim]; RCVD_COUNT_THREE(0.00)[3]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; DKIM_TRACE(0.00)[suse.de:+]; MX_GOOD(-0.01)[]; RCPT_COUNT_TWELVE(0.00)[14]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:dkim,suse.de:email,infradead.org:email]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; NEURAL_HAM_SHORT(-0.20)[-1.000]; RCVD_TLS_ALL(0.00)[]; MID_RHS_MATCH_FROM(0.00)[] X-Spam-Score: -5.72 X-Rspamd-Queue-Id: B2C511FCA1 X-Spam-Flag: NO On 2/13/24 10:37, Pankaj Raghav (Samsung) wrote: > From: "Matthew Wilcox (Oracle)" > > Some filesystems want to be able to limit the maximum size of folios, > and some want to be able to ensure that folios are at least a certain > size. Add mapping_set_folio_orders() to allow this level of control. > The max folio order parameter is ignored and it is always set to > MAX_PAGECACHE_ORDER. > > Signed-off-by: Matthew Wilcox (Oracle) > Signed-off-by: Pankaj Raghav > Signed-off-by: Luis Chamberlain > --- > include/linux/pagemap.h | 92 ++++++++++++++++++++++++++++++++--------- > 1 file changed, 73 insertions(+), 19 deletions(-) > Reviewed-by: Hannes Reinecke Cheers, Hannes