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Kumar" , "Matthew R. Ochs" , Uma Krishnan , "James E.J. Bottomley" , "Martin K. Petersen" , Felipe Balbi , Alexander Viro , Ian Kent , Joel Becker , Christoph Hellwig , "Rafael J. Wysocki" , Matthew Garrett , Ard Biesheuvel , Miklos Szeredi , Mike Kravetz , Mark Fasheh , Joseph Qi , Alexey Dobriyan , Luis Chamberlain , Kees Cook , Iurii Zaikin , Anton Vorontsov , Colin Cross , Tony Luck , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , Andrii Nakryiko , John Fastabend , KP Singh , Hugh Dickins , Andrew Morton , Trond Myklebust , Anna Schumaker , "J. Bruce Fields" , Chuck Lever , "David S. Miller" , Jakub Kicinski , James Morris , "Serge E. Hallyn" , John Johansen , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-rdma@vger.kernel.org, oprofile-list@lists.sf.net, linux-scsi@vger.kernel.org, linux-usb@vger.kernel.org, linux-fsdevel@vger.kernel.org, autofs@vger.kernel.org, linux-efi@vger.kernel.org, linux-mm@kvack.org, ocfs2-devel@oss.oracle.com, netdev@vger.kernel.org, bpf@vger.kernel.org, linux-security-module@vger.kernel.org Subject: [PATCH 5/8] simplefs: add alloc_anon_inode wrapper Date: Tue, 14 Apr 2020 14:42:59 +0200 Message-Id: <20200414124304.4470-6-eesposit@redhat.com> X-Mailer: git-send-email 2.25.2 In-Reply-To: <20200414124304.4470-1-eesposit@redhat.com> References: <20200414124304.4470-1-eesposit@redhat.com> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Start adding file creation wrappers, the simplest returns an anonymous inode. Signed-off-by: Emanuele Giuseppe Esposito --- drivers/gpu/drm/drm_drv.c | 2 +- drivers/misc/cxl/api.c | 2 +- drivers/scsi/cxlflash/ocxl_hw.c | 2 +- fs/simplefs.c | 6 ++++++ include/linux/simplefs.h | 2 ++ 5 files changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index b4b357725be2..4e4ea1bf312c 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -539,7 +539,7 @@ static struct inode *drm_fs_inode_new(void) =09=09return ERR_PTR(r); =09} =20 -=09inode =3D alloc_anon_inode(drm_fs.mount->mnt_sb); +=09inode =3D simple_alloc_anon_inode(&drm_fs); =09if (IS_ERR(inode)) =09=09simple_release_fs(&drm_fs); =20 diff --git a/drivers/misc/cxl/api.c b/drivers/misc/cxl/api.c index 6c6566d8bc17..a3d2682eb3a7 100644 --- a/drivers/misc/cxl/api.c +++ b/drivers/misc/cxl/api.c @@ -73,7 +73,7 @@ static struct file *cxl_getfile(const char *name, =09=09goto err_module; =09} =20 -=09inode =3D alloc_anon_inode(cxl_fs.mount->mnt_sb); +=09inode =3D simple_alloc_anon_inode(&cxl_fs); =09if (IS_ERR(inode)) { =09=09file =3D ERR_CAST(inode); =09=09goto err_fs; diff --git a/drivers/scsi/cxlflash/ocxl_hw.c b/drivers/scsi/cxlflash/ocxl_h= w.c index 23afde0c6c0e..770fdf186028 100644 --- a/drivers/scsi/cxlflash/ocxl_hw.c +++ b/drivers/scsi/cxlflash/ocxl_hw.c @@ -86,7 +86,7 @@ static struct file *ocxlflash_getfile(struct device *dev,= const char *name, =09=09goto err2; =09} =20 -=09inode =3D alloc_anon_inode(ocxlflash_fs.mount->mnt_sb); +=09inode =3D simple_alloc_anon_inode(&ocxlflash_fs); =09if (IS_ERR(inode)) { =09=09rc =3D PTR_ERR(inode); =09=09dev_err(dev, "%s: alloc_anon_inode failed rc=3D%d\n", diff --git a/fs/simplefs.c b/fs/simplefs.c index 790d8beb9cc3..c59eb8d996be 100644 --- a/fs/simplefs.c +++ b/fs/simplefs.c @@ -36,3 +36,9 @@ void simple_release_fs(struct simple_fs *fs) =09mntput(mnt); } EXPORT_SYMBOL(simple_release_fs); + +struct inode *simple_alloc_anon_inode(struct simple_fs *fs) +{ +=09return alloc_anon_inode(fs->mount->mnt_sb); +} +EXPORT_SYMBOL(simple_alloc_anon_inode); diff --git a/include/linux/simplefs.h b/include/linux/simplefs.h index 18010414a16f..c62ab526414e 100644 --- a/include/linux/simplefs.h +++ b/include/linux/simplefs.h @@ -12,4 +12,6 @@ struct simple_fs { extern int simple_pin_fs(struct simple_fs *, struct file_system_type *); extern void simple_release_fs(struct simple_fs *); =20 +extern struct inode *simple_alloc_anon_inode(struct simple_fs *fs); + #endif --=20 2.25.2