Message ID | 20240205200529.546646-4-kent.overstreet@linux.dev |
---|---|
State | Not Applicable |
Headers | show
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DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1707163567; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=+Y3gjAfbNTQAYItYsU5COE7+yozdE8QNyrcmsyi3W+A=; b=Dg8R9kdj58O0ZqQd8Z7H3MJ/Xo+17XcsMUPoyC294HD/6wNiULMRl/SvP5MfWcctiuI5Io t6CsU8lFKiS3p/H+xykTaZ3BnRI4WQGh1bEXwdtcL+5YOwxMPZjB8OrKC4sytClnNQmBdQ OH6F7iJCR/fZItMA4ZecGTa8HqOC7p4= From: Kent Overstreet <kent.overstreet@linux.dev> To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-xfs@vger.kernel.org, linux-ext4@vger.kernel.org Cc: Kent Overstreet <kent.overstreet@linux.dev> Subject: [PATCH 3/6] fat: Hook up sb->s_uuid Date: Mon, 5 Feb 2024 15:05:14 -0500 Message-ID: <20240205200529.546646-4-kent.overstreet@linux.dev> In-Reply-To: <20240205200529.546646-1-kent.overstreet@linux.dev> References: <20240205200529.546646-1-kent.overstreet@linux.dev> Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: <linux-ext4.vger.kernel.org> List-Subscribe: <mailto:linux-ext4+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-ext4+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT |
Series | filesystem visibility ioctls | expand |
diff --git a/fs/fat/inode.c b/fs/fat/inode.c index 1fac3dabf130..a3d3478442d1 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -1762,6 +1762,10 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, int isvfat, else /* fat 16 or 12 */ sbi->vol_id = bpb.fat16_vol_id; + __le32 vol_id_le = cpu_to_le32(sbi->vol_id); + memcpy(&sb->s_uuid, &vol_id_le, sizeof(vol_id_le)); + sb->s_uuid_len = sizeof(vol_id_le); + sbi->dir_per_block = sb->s_blocksize / sizeof(struct msdos_dir_entry); sbi->dir_per_block_bits = ffs(sbi->dir_per_block) - 1;
Now that we have a standard ioctl for querying the filesystem UUID, initialize sb->s_uuid so that it works. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> --- fs/fat/inode.c | 4 ++++ 1 file changed, 4 insertions(+)