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Wed, 6 Dec 2023 15:05:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=paragon-software.com; s=mail; t=1701875140; bh=KEnz3KTE1Z9/osOlDauLKgWtI6LdwFBhWwhEahHqNQo=; h=Date:Subject:From:To:CC:References:In-Reply-To; b=ml0RcwIB/jbk6KHc50rd9/kLCglaBQgfFiOHbhazURkapxReFpC4vxnpvlYMS8nrP 58adYEG0RnhgyeLDEMwND0AqrD9TZFlz6HTNiuDEmvzUmC5+PXmjU2b3YGybT7p0QH p4lAjZYfowSTC2GQFaBSEjxTjNgDlilQX4n/rSpU= Received: from [172.16.192.129] (192.168.211.144) by vdlg-exch-02.paragon-software.com (172.30.1.105) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Wed, 6 Dec 2023 18:12:03 +0300 Message-ID: <7ae15d02-7745-4241-8b28-197eebbb6b7b@paragon-software.com> Date: Wed, 6 Dec 2023 18:12:03 +0300 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH 07/16] fs/ntfs3: Fix multithreaded stress test Content-Language: en-US From: Konstantin Komarovc To: CC: , References: <00fd1558-fda5-421b-be43-7de69e32cb4e@paragon-software.com> In-Reply-To: <00fd1558-fda5-421b-be43-7de69e32cb4e@paragon-software.com> Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Transfer-Encoding: quoted-printable X-Originating-IP: [192.168.211.144] X-ClientProxiedBy: vobn-exch-01.paragon-software.com (172.30.72.13) To vdlg-exch-02.paragon-software.com (172.30.1.105) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Konstantin Komarov --- =C2=A0fs/ntfs3/attrib.c | 21 ++++++++++++++------- =C2=A01 file changed, 14 insertions(+), 7 deletions(-) diff --git a/fs/ntfs3/attrib.c b/fs/ntfs3/attrib.c index 63f70259edc0..4b78b669a3bd 100644 --- a/fs/ntfs3/attrib.c +++ b/fs/ntfs3/attrib.c @@ -886,7 +886,7 @@ int attr_data_get_block(struct ntfs_inode *ni, CLST=20 vcn, CLST clen, CLST *lcn, =C2=A0=C2=A0=C2=A0 =C2=A0struct runs_tree *run =3D &ni->file.run; =C2=A0=C2=A0=C2=A0 =C2=A0struct ntfs_sb_info *sbi; =C2=A0=C2=A0=C2=A0 =C2=A0u8 cluster_bits; -=C2=A0=C2=A0 =C2=A0struct ATTRIB *attr =3D NULL, *attr_b; +=C2=A0=C2=A0 =C2=A0struct ATTRIB *attr, *attr_b; =C2=A0=C2=A0=C2=A0 =C2=A0struct ATTR_LIST_ENTRY *le, *le_b; =C2=A0=C2=A0=C2=A0 =C2=A0struct mft_inode *mi, *mi_b; =C2=A0=C2=A0=C2=A0 =C2=A0CLST hint, svcn, to_alloc, evcn1, next_svcn, asiz= e, end, vcn0, alen; @@ -904,12 +904,8 @@ int attr_data_get_block(struct ntfs_inode *ni, CLST=20 vcn, CLST clen, CLST *lcn, =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0*len =3D 0; =C2=A0=C2=A0=C2=A0 =C2=A0up_read(&ni->file.run_lock); -=C2=A0=C2=A0 =C2=A0if (*len) { -=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0if (*lcn !=3D SPARSE_LCN || !new) -=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0return 0; /* Fast= normal way without allocation. */ -=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0else if (clen > *len) -=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0clen =3D *len; -=C2=A0=C2=A0 =C2=A0} +=C2=A0=C2=A0 =C2=A0if (*len && (*lcn !=3D SPARSE_LCN || !new)) +=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0return 0; /* Fast normal way without= allocation. */ =C2=A0=C2=A0=C2=A0 =C2=A0/* No cluster in cache or we need to allocate clu= ster in hole. */ =C2=A0=C2=A0=C2=A0 =C2=A0sbi =3D ni->mi.sbi; @@ -918,6 +914,17 @@ int attr_data_get_block(struct ntfs_inode *ni, CLST=20 vcn, CLST clen, CLST *lcn, =C2=A0=C2=A0=C2=A0 =C2=A0ni_lock(ni); =C2=A0=C2=A0=C2=A0 =C2=A0down_write(&ni->file.run_lock); +=C2=A0=C2=A0 =C2=A0/* Repeat the code above (under write lock). */ +=C2=A0=C2=A0 =C2=A0if (!run_lookup_entry(run, vcn, lcn, len, NULL)) +=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0*len =3D 0; + +=C2=A0=C2=A0 =C2=A0if (*len) { +=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0if (*lcn !=3D SPARSE_LCN || !new) +=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0goto out; /* norm= al way without allocation. */ +=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0if (clen > *len) +=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0=C2=A0=C2=A0 =C2=A0clen =3D *len; +=C2=A0=C2=A0 =C2=A0} + =C2=A0=C2=A0=C2=A0 =C2=A0le_b =3D NULL; =C2=A0=C2=A0=C2=A0 =C2=A0attr_b =3D ni_find_attr(ni, NULL, &le_b, ATTR_DAT= A, NULL, 0, NULL,=20 &mi_b); =C2=A0=C2=A0=C2=A0 =C2=A0if (!attr_b) { --=20 2.34.1