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Tue, 17 Feb 2026 21:47:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1752BC4CEF7; Tue, 17 Feb 2026 21:47:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771364876; bh=jqBG6MkL4KZPFA3a1GqxBqdJRUrkvA5i1/WFsqQI3ek=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HkQWUGwNMSyYjRDCN2P6QXiho+aAJFeccbLO30JKCT1m10rCY5iuTj7fjshNfwLj2 pvCgCBc9jzTr4s8cAS+yvkKwS1aCArc/fEYVSfR0fooTq5s+fj2CKgWX2vXKsXkOMF sWd77ftG+yDh/sf5dxpXusxsuChTzybBmxDtTDgjQIpF0wFZrg9Syd1zu+EO8M7heZ wtyUHp7o905rf/fWjtHHy2svpllm4ee6bBTrycVGkYKrBoLec4/PkvtHESZzLeMGdk t2KOuzpbk+k4OGOdxcjwoTonZCWUYX+aFxxhdLWilABp8JnPZsIMNhX50BpKgzlTxW KCIAVCkg/pi6Q== To: Al Viro , Christian Brauner , Jan Kara Date: Tue, 17 Feb 2026 16:47:28 -0500 Message-ID: <20260217214741.1928576-5-cel@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260217214741.1928576-1-cel@kernel.org> References: <20260217214741.1928576-1-cel@kernel.org> MIME-Version: 1.0 X-Headers-End: 1vsSvO-0002sT-OT Subject: [f2fs-dev] [PATCH v8 04/17] exfat: Implement fileattr_get for case sensitivity X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Chuck Lever via Linux-f2fs-devel Reply-To: Chuck Lever Cc: pc@manguebit.org, yuezhang.mo@sony.com, cem@kernel.org, almaz.alexandrovich@paragon-software.com, adilger.kernel@dilger.ca, linux-cifs@vger.kernel.org, sfrench@samba.org, slava@dubeyko.com, linux-ext4@vger.kernel.org, linkinjeon@kernel.org, sprasad@microsoft.com, frank.li@vivo.com, ronniesahlberg@gmail.com, glaubitz@physik.fu-berlin.de, jaegeuk@kernel.org, hirofumi@mail.parknet.co.jp, linux-nfs@vger.kernel.org, tytso@mit.edu, linux-api@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, senozhatsky@chromium.org, Chuck Lever , hansg@kernel.org, anna@kernel.org, linux-fsdevel@vger.kernel.org, sj1557.seo@samsung.com, trondmy@kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net From: Chuck Lever Report exFAT's case sensitivity behavior via the FS_XFLAG_CASEFOLD flag. exFAT is always case-insensitive (using an upcase table for comparison) and always preserves case at rest. Acked-by: Namjae Jeon Signed-off-by: Chuck Lever --- fs/exfat/exfat_fs.h | 2 ++ fs/exfat/file.c | 16 ++++++++++++++-- fs/exfat/namei.c | 1 + 3 files changed, 17 insertions(+), 2 deletions(-) diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h index 2dbed5f8ec26..686d4cd49546 100644 --- a/fs/exfat/exfat_fs.h +++ b/fs/exfat/exfat_fs.h @@ -468,6 +468,8 @@ int exfat_setattr(struct mnt_idmap *idmap, struct dentry *dentry, int exfat_getattr(struct mnt_idmap *idmap, const struct path *path, struct kstat *stat, unsigned int request_mask, unsigned int query_flags); +struct file_kattr; +int exfat_fileattr_get(struct dentry *dentry, struct file_kattr *fa); int exfat_file_fsync(struct file *file, loff_t start, loff_t end, int datasync); long exfat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); long exfat_compat_ioctl(struct file *filp, unsigned int cmd, diff --git a/fs/exfat/file.c b/fs/exfat/file.c index 90cd540afeaa..15629b0a6f6d 100644 --- a/fs/exfat/file.c +++ b/fs/exfat/file.c @@ -13,6 +13,7 @@ #include #include #include +#include #include "exfat_raw.h" #include "exfat_fs.h" @@ -282,6 +283,16 @@ int exfat_getattr(struct mnt_idmap *idmap, const struct path *path, return 0; } +int exfat_fileattr_get(struct dentry *dentry, struct file_kattr *fa) +{ + /* + * exFAT is always case-insensitive (using upcase table). + * Case is preserved at rest (the default). + */ + fa->fsx_xflags |= FS_XFLAG_CASEFOLD; + return 0; +} + int exfat_setattr(struct mnt_idmap *idmap, struct dentry *dentry, struct iattr *attr) { @@ -775,6 +786,7 @@ const struct file_operations exfat_file_operations = { }; const struct inode_operations exfat_file_inode_operations = { - .setattr = exfat_setattr, - .getattr = exfat_getattr, + .setattr = exfat_setattr, + .getattr = exfat_getattr, + .fileattr_get = exfat_fileattr_get, }; diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c index 670116ae9ec8..7895dda5cdb4 100644 --- a/fs/exfat/namei.c +++ b/fs/exfat/namei.c @@ -1323,4 +1323,5 @@ const struct inode_operations exfat_dir_inode_operations = { .rename = exfat_rename, .setattr = exfat_setattr, .getattr = exfat_getattr, + .fileattr_get = exfat_fileattr_get, }; -- 2.53.0 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel