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Mon, 9 Jun 2025 15:28:48 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id 7umGEbD9Rmh2fwAAD6G6ig (envelope-from ); Mon, 09 Jun 2025 15:28:48 +0000 From: Gabriel Krisman Bertazi To: Chuck Lever Cc: Theodore Ts'o , Cedric Blancher , Linux NFS Mailing List , linux-fsdevel Subject: Re: LInux NFSv4.1 client and server- case insensitive filesystems supported? In-Reply-To: (Chuck Lever's message of "Sun, 8 Jun 2025 17:52:36 -0400") References: <44250631-2b70-4ce8-b513-a632e70704ed@oracle.com> <20250607223951.GB784455@mit.edu> <643072ba-3ee6-4e5b-832a-aac88a06e51d@oracle.com> <20250608205244.GD784455@mit.edu> Date: Mon, 09 Jun 2025 11:28:46 -0400 Message-ID: <875xh5ylw1.fsf@mailhost.krisman.be> User-Agent: Gnus/5.13 (Gnus v5.13) Precedence: bulk X-Mailing-List: linux-nfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Rspamd-Queue-Id: A5FD921114 X-Rspamd-Action: no action X-Spam-Flag: NO X-Spamd-Result: default: False [-2.01 / 50.00]; BAYES_HAM(-3.00)[99.99%]; SUSPICIOUS_RECIPS(1.50)[]; SUBJECT_ENDS_QUESTION(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; TO_DN_ALL(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; FUZZY_BLOCKED(0.00)[rspamd.com]; ARC_NA(0.00)[]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; MIME_TRACE(0.00)[0:+]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FREEMAIL_CC(0.00)[mit.edu,gmail.com,vger.kernel.org]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_FIVE(0.00)[5]; DNSWL_BLOCKED(0.00)[2a07:de40:b281:106:10:150:64:167:received,2a07:de40:b281:104:10:150:64:97:from]; RCVD_VIA_SMTP_AUTH(0.00)[]; TAGGED_RCPT(0.00)[]; DKIM_TRACE(0.00)[suse.de:+]; DBL_BLOCKED_OPENRESOLVER(0.00)[oracle.com:email,suse.de:dkim,mailhost.krisman.be:mid] X-Spam-Score: -2.01 X-Spam-Level: Chuck Lever writes: > On 6/8/25 4:52 PM, Theodore Ts'o wrote: >> On Sun, Jun 08, 2025 at 12:29:30PM -0400, Chuck Lever wrote: >>> >>> For some reason I thought case-insensitivity support was merged more >>> recently than that. I recall it first appearing as a session at LSF in >>> Park City, but maybe that one was in 2018. Hi Chuck, The first LSF discussion on this implementation was Park City, 2018. It was merged early 2019. > Ted, do you happen to know if there are any fstests that exercise case- > insensitive lookups? I would not regard that simple test as "job done! > put pencil down!" :-) generic/556 tests basic semantics and many corner cases of casefolded lookups. -- Gabriel Krisman Bertazi