From patchwork Sun Feb 16 16:40:26 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Pali_Roh=C3=A1r?= X-Patchwork-Id: 13976588 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8333F1EB2A; Sun, 16 Feb 2025 16:42:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739724139; cv=none; b=dwFrJ42gXTEPOc5widIdTpoblSYD8HK+NcMaZmZpV6Zh2DDvlrzdcox+63IQIrpQt1R/7o9+sdGDvLtkYfpHw7+HkL1fchyHsJ400IhpXLXPBP9wReaRKo9YMpLJ0sa7BcyifV3T01AD9Ah/60uBokBVt9W0HO3PPQqCR/4aYzs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739724139; c=relaxed/simple; bh=5hnPF+bgOORINojs0uGlAFdWczPtX8nHtq7D6DocPNM=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=Nxfthe3u1HNnWkaPbkSedqAFrKOx7TRXjDfSxzlsDnhE3TCjK+dZvhQRo02YMg/qoHHVKHntgW9gtlDQQZTYHZFRO9jqCVNsarvSSF4PIAzoVGBFe1ybd+0A37SFmC5wUfAX3JmtFogb008VQJRSdObWQZA3SbHNSra+zGgUvyk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MTcz0maW; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="MTcz0maW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AD7FFC4CEE4; Sun, 16 Feb 2025 16:42:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1739724138; bh=5hnPF+bgOORINojs0uGlAFdWczPtX8nHtq7D6DocPNM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MTcz0maWsdhmg3AJNIGRxpTATB9dR2/+o0onL8Vhkr6ODd7inNBTejcchP4XBh5vp J+f89A0Oob2jT/Wj3dS2WWMXtDH54mji72Om/Cv1Pswxl31DTW8a2CrpxTonb5Gh9R zhgavxGoujJkPJYwJHYkcaO7fwCakg2c4wLfq9XaVuoGqMWNC3M8s54twRwt5EhV/l wBoov0RBekvhC7mP1AWJwE94/SbX5kTIjMFEs3dRv9xTFzjszj89EgdQnQRDHYcNAj ATR46WIEHeagviEbuQvRdjlDg8D4a8xHhJwL5BFuvtwGnLZwzVUyQubYLyiGV0PyY1 Njw2wK2ZRKxGA== Received: by pali.im (Postfix) id CE943A7F; Sun, 16 Feb 2025 17:42:05 +0100 (CET) From: =?utf-8?q?Pali_Roh=C3=A1r?= To: Amir Goldstein , "Darrick J. Wong" , ronnie sahlberg , Chuck Lever , Christian Brauner , Jan Kara , Steve French , Alexander Viro Cc: linux-fsdevel@vger.kernel.org, linux-cifs@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH 1/4] fs: Add FS_XFLAG_COMPRESSED & FS_XFLAG_ENCRYPTED for FS_IOC_FS[GS]ETXATTR API Date: Sun, 16 Feb 2025 17:40:26 +0100 Message-Id: <20250216164029.20673-2-pali@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250216164029.20673-1-pali@kernel.org> References: <20250216164029.20673-1-pali@kernel.org> Precedence: bulk X-Mailing-List: linux-cifs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 This allows to get or set FS_COMPR_FL and FS_ENCRYPT_FL bits via FS_IOC_FSGETXATTR/FS_IOC_FSSETXATTR API. Signed-off-by: Pali Rohár --- fs/ioctl.c | 8 ++++++++ include/linux/fileattr.h | 4 ++-- include/uapi/linux/fs.h | 2 ++ 3 files changed, 12 insertions(+), 2 deletions(-) diff --git a/fs/ioctl.c b/fs/ioctl.c index 638a36be31c1..9f3609b50779 100644 --- a/fs/ioctl.c +++ b/fs/ioctl.c @@ -480,6 +480,10 @@ void fileattr_fill_xflags(struct fileattr *fa, u32 xflags) fa->flags |= FS_DAX_FL; if (fa->fsx_xflags & FS_XFLAG_PROJINHERIT) fa->flags |= FS_PROJINHERIT_FL; + if (fa->fsx_xflags & FS_XFLAG_COMPRESSED) + fa->flags |= FS_COMPR_FL; + if (fa->fsx_xflags & FS_XFLAG_ENCRYPTED) + fa->flags |= FS_ENCRYPT_FL; } EXPORT_SYMBOL(fileattr_fill_xflags); @@ -496,6 +500,8 @@ void fileattr_fill_flags(struct fileattr *fa, u32 flags) memset(fa, 0, sizeof(*fa)); fa->flags_valid = true; fa->flags = flags; + if (fa->flags & FS_COMPR_FL) + fa->fsx_xflags |= FS_XFLAG_COMPRESSED; if (fa->flags & FS_SYNC_FL) fa->fsx_xflags |= FS_XFLAG_SYNC; if (fa->flags & FS_IMMUTABLE_FL) @@ -506,6 +512,8 @@ void fileattr_fill_flags(struct fileattr *fa, u32 flags) fa->fsx_xflags |= FS_XFLAG_NODUMP; if (fa->flags & FS_NOATIME_FL) fa->fsx_xflags |= FS_XFLAG_NOATIME; + if (fa->flags & FS_ENCRYPT_FL) + fa->fsx_xflags |= FS_XFLAG_ENCRYPTED; if (fa->flags & FS_DAX_FL) fa->fsx_xflags |= FS_XFLAG_DAX; if (fa->flags & FS_PROJINHERIT_FL) diff --git a/include/linux/fileattr.h b/include/linux/fileattr.h index 47c05a9851d0..c297e6151703 100644 --- a/include/linux/fileattr.h +++ b/include/linux/fileattr.h @@ -7,12 +7,12 @@ #define FS_COMMON_FL \ (FS_SYNC_FL | FS_IMMUTABLE_FL | FS_APPEND_FL | \ FS_NODUMP_FL | FS_NOATIME_FL | FS_DAX_FL | \ - FS_PROJINHERIT_FL) + FS_PROJINHERIT_FL | FS_COMPR_FL | FS_ENCRYPT_FL) #define FS_XFLAG_COMMON \ (FS_XFLAG_SYNC | FS_XFLAG_IMMUTABLE | FS_XFLAG_APPEND | \ FS_XFLAG_NODUMP | FS_XFLAG_NOATIME | FS_XFLAG_DAX | \ - FS_XFLAG_PROJINHERIT) + FS_XFLAG_PROJINHERIT | FS_XFLAG_COMPRESSED | FS_XFLAG_ENCRYPTED) /* * Merged interface for miscellaneous file attributes. 'flags' originates from diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h index 2bbe00cf1248..367bc5289c47 100644 --- a/include/uapi/linux/fs.h +++ b/include/uapi/linux/fs.h @@ -167,6 +167,8 @@ struct fsxattr { #define FS_XFLAG_FILESTREAM 0x00004000 /* use filestream allocator */ #define FS_XFLAG_DAX 0x00008000 /* use DAX for IO */ #define FS_XFLAG_COWEXTSIZE 0x00010000 /* CoW extent size allocator hint */ +#define FS_XFLAG_COMPRESSED 0x00020000 /* compressed file */ +#define FS_XFLAG_ENCRYPTED 0x00040000 /* encrypted file */ #define FS_XFLAG_HASATTR 0x80000000 /* no DIFLAG for this */ /* the read-only stuff doesn't really belong here, but any other place is