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Fri, 1 Mar 2024 17:09:03 +0000 (UTC) Received: from dovecot-director2.suse.de ([10.150.64.162]) by imap1.dmz-prg2.suse.org with ESMTPSA id CEgAI68L4mVwGQAAD6G6ig (envelope-from ); Fri, 01 Mar 2024 17:09:03 +0000 Message-ID: <260e8b4a-429f-4b63-bb13-0161dcf7a61e@suse.de> Date: Fri, 1 Mar 2024 18:09:03 +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: [PATCH v2 02/13] fs: Allow fine-grained control of folio sizes Content-Language: en-US To: "Pankaj Raghav (Samsung)" , linux-fsdevel@vger.kernel.org, linux-xfs@vger.kernel.org Cc: djwong@kernel.org, mcgrof@kernel.org, linux-mm@kvack.org, david@fromorbit.com, akpm@linux-foundation.org, gost.dev@samsung.com, linux-kernel@vger.kernel.org, chandan.babu@oracle.com, willy@infradead.org, Pankaj Raghav References: <20240301164444.3799288-1-kernel@pankajraghav.com> <20240301164444.3799288-3-kernel@pankajraghav.com> From: Hannes Reinecke In-Reply-To: <20240301164444.3799288-3-kernel@pankajraghav.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Authentication-Results: smtp-out2.suse.de; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=E6cyCfal; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=tSXpszqa X-Spamd-Result: default: False [-1.52 / 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(-1.22)[89.38%]; MIME_GOOD(-0.10)[text/plain]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; DWL_DNSWL_BLOCKED(0.00)[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)[13]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_ALL(0.00)[]; MID_RHS_MATCH_FROM(0.00)[] X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Rspamd-Queue-Id: D4BD6207BD X-Spam-Level: X-Spam-Score: -1.52 X-Spam-Flag: NO On 3/1/24 17:44, Pankaj Raghav (Samsung) wrote: > From: "Matthew Wilcox (Oracle)" > > Some filesystems want to be able to ensure that folios that are added to > the page cache are at least a certain size. > Add mapping_set_folio_min_order() to allow this level of control. > > Signed-off-by: Matthew Wilcox (Oracle) > Co-developed-by: Pankaj Raghav > Signed-off-by: Pankaj Raghav > Signed-off-by: Luis Chamberlain > --- > include/linux/pagemap.h | 100 ++++++++++++++++++++++++++++++++-------- > 1 file changed, 80 insertions(+), 20 deletions(-) > Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Kernel Storage Architect hare@suse.de +49 911 74053 688 SUSE Software Solutions GmbH, Frankenstr. 146, 90461 Nürnberg HRB 36809 (AG Nürnberg), GF: I. Totev, A. McDonald, W. Knoblich