From: David Howells <dhowells@redhat.com> To: viro@zeniv.linux.org.uk Cc: Felipe Balbi <felipe.balbi@linux.intel.com>, linux-usb@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, dhowells@redhat.com Subject: [RFC PATCH 34/68] vfs: Convert gadgetfs to use the new mount API Date: Wed, 27 Mar 2019 23:44:49 +0000 [thread overview] Message-ID: <155373028909.7602.3956318900775369405.stgit@warthog.procyon.org.uk> (raw) In-Reply-To: <155372999953.7602.13784796495137723805.stgit@warthog.procyon.org.uk> Convert the gadgetfs filesystem to the new internal mount API as the old one will be obsoleted and removed. This allows greater flexibility in communication of mount parameters between userspace, the VFS and the filesystem. See Documentation/filesystems/mount_api.txt for more information. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com> cc: linux-usb@vger.kernel.org --- drivers/usb/gadget/legacy/inode.c | 21 +++++++++++++++------ 1 file changed, 15 insertions(+), 6 deletions(-) diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c index 249277d0e53f..441da16ffc39 100644 --- a/drivers/usb/gadget/legacy/inode.c +++ b/drivers/usb/gadget/legacy/inode.c @@ -12,6 +12,7 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/fs.h> +#include <linux/fs_context.h> #include <linux/pagemap.h> #include <linux/uts.h> #include <linux/wait.h> @@ -1990,7 +1991,7 @@ static const struct super_operations gadget_fs_operations = { }; static int -gadgetfs_fill_super (struct super_block *sb, void *opts, int silent) +gadgetfs_fill_super (struct super_block *sb, struct fs_context *fc) { struct inode *inode; struct dev_data *dev; @@ -2044,11 +2045,19 @@ gadgetfs_fill_super (struct super_block *sb, void *opts, int silent) } /* "mount -t gadgetfs path /dev/gadget" ends up here */ -static struct dentry * -gadgetfs_mount (struct file_system_type *t, int flags, - const char *path, void *opts) +static int gadgetfs_get_tree(struct fs_context *fc) { - return mount_single (t, flags, opts, gadgetfs_fill_super); + return vfs_get_super(fc, vfs_get_single_super, gadgetfs_fill_super); +} + +static const struct fs_context_operations gadgetfs_context_ops = { + .get_tree = gadgetfs_get_tree, +}; + +static int gadgetfs_init_fs_context(struct fs_context *fc) +{ + fc->ops = &gadgetfs_context_ops; + return 0; } static void @@ -2068,7 +2077,7 @@ gadgetfs_kill_sb (struct super_block *sb) static struct file_system_type gadgetfs_type = { .owner = THIS_MODULE, .name = shortname, - .mount = gadgetfs_mount, + .init_fs_context = gadgetfs_init_fs_context, .kill_sb = gadgetfs_kill_sb, }; MODULE_ALIAS_FS("gadgetfs");
WARNING: multiple messages have this Message-ID (diff)
From: David Howells <dhowells@redhat.com> To: viro@zeniv.linux.org.uk Cc: Felipe Balbi <felipe.balbi@linux.intel.com>, linux-usb@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, dhowells@redhat.com Subject: [RFC,34/68] vfs: Convert gadgetfs to use the new mount API Date: Wed, 27 Mar 2019 23:44:49 +0000 [thread overview] Message-ID: <155373028909.7602.3956318900775369405.stgit@warthog.procyon.org.uk> (raw) Convert the gadgetfs filesystem to the new internal mount API as the old one will be obsoleted and removed. This allows greater flexibility in communication of mount parameters between userspace, the VFS and the filesystem. See Documentation/filesystems/mount_api.txt for more information. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com> cc: linux-usb@vger.kernel.org --- drivers/usb/gadget/legacy/inode.c | 21 +++++++++++++++------ 1 file changed, 15 insertions(+), 6 deletions(-) diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c index 249277d0e53f..441da16ffc39 100644 --- a/drivers/usb/gadget/legacy/inode.c +++ b/drivers/usb/gadget/legacy/inode.c @@ -12,6 +12,7 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/fs.h> +#include <linux/fs_context.h> #include <linux/pagemap.h> #include <linux/uts.h> #include <linux/wait.h> @@ -1990,7 +1991,7 @@ static const struct super_operations gadget_fs_operations = { }; static int -gadgetfs_fill_super (struct super_block *sb, void *opts, int silent) +gadgetfs_fill_super (struct super_block *sb, struct fs_context *fc) { struct inode *inode; struct dev_data *dev; @@ -2044,11 +2045,19 @@ gadgetfs_fill_super (struct super_block *sb, void *opts, int silent) } /* "mount -t gadgetfs path /dev/gadget" ends up here */ -static struct dentry * -gadgetfs_mount (struct file_system_type *t, int flags, - const char *path, void *opts) +static int gadgetfs_get_tree(struct fs_context *fc) { - return mount_single (t, flags, opts, gadgetfs_fill_super); + return vfs_get_super(fc, vfs_get_single_super, gadgetfs_fill_super); +} + +static const struct fs_context_operations gadgetfs_context_ops = { + .get_tree = gadgetfs_get_tree, +}; + +static int gadgetfs_init_fs_context(struct fs_context *fc) +{ + fc->ops = &gadgetfs_context_ops; + return 0; } static void @@ -2068,7 +2077,7 @@ gadgetfs_kill_sb (struct super_block *sb) static struct file_system_type gadgetfs_type = { .owner = THIS_MODULE, .name = shortname, - .mount = gadgetfs_mount, + .init_fs_context = gadgetfs_init_fs_context, .kill_sb = gadgetfs_kill_sb, }; MODULE_ALIAS_FS("gadgetfs");
next prev parent reply other threads:[~2019-03-27 23:44 UTC|newest] Thread overview: 111+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-03-27 23:40 [RFC PATCH 00/68] VFS: Convert a bunch of filesystems to the new mount API David Howells 2019-03-27 23:40 ` [Cluster-devel] " David Howells 2019-03-27 23:40 ` David Howells 2019-03-27 23:40 ` David Howells 2019-03-27 23:40 ` David Howells 2019-03-27 23:40 ` [RFC PATCH 01/68] kbuild: skip sub-make for in-tree build with GNU Make 4.x David Howells 2019-03-28 0:53 ` Masahiro Yamada 2019-03-30 12:11 ` Masahiro Yamada 2019-04-10 9:54 ` David Howells 2019-03-27 23:40 ` [RFC PATCH 02/68] vfs: Update mount API docs David Howells 2019-03-27 23:40 ` [RFC PATCH 03/68] vfs: Fix refcounting of filenames in fs_parser David Howells 2019-03-27 23:41 ` [RFC PATCH 04/68] vfs: Provide sb->s_iflags settings in fs_context struct David Howells 2019-03-27 23:41 ` [RFC PATCH 05/68] vfs: Provide a mount_pseudo-replacement for the new mount API David Howells 2019-03-27 23:41 ` [RFC PATCH 06/68] vfs: Convert aio to use " David Howells 2019-03-27 23:41 ` [RFC PATCH 07/68] vfs: Convert anon_inodes " David Howells 2019-03-27 23:41 ` [RFC PATCH 08/68] vfs: Convert bdev " David Howells 2019-03-27 23:41 ` [RFC PATCH 09/68] vfs: Convert nsfs " David Howells 2019-03-27 23:41 ` [RFC PATCH 10/68] vfs: Convert pipe " David Howells 2019-03-27 23:41 ` [RFC PATCH 11/68] vfs: Convert zsmalloc " David Howells 2019-03-27 23:42 ` [RFC PATCH 12/68] vfs: Convert sockfs " David Howells 2019-03-27 23:42 ` [RFC PATCH 13/68] vfs: Convert dax " David Howells 2019-03-27 23:42 ` David Howells 2019-03-27 23:42 ` [RFC PATCH 14/68] vfs: Convert drm " David Howells 2019-03-28 7:47 ` Daniel Vetter 2019-03-28 7:47 ` Daniel Vetter 2019-04-10 9:59 ` David Howells 2019-04-10 9:59 ` David Howells 2019-03-27 23:42 ` [RFC PATCH 15/68] vfs: Convert ia64 perfmon " David Howells 2019-03-27 23:42 ` [RFC PATCH 16/68] vfs: Convert cxl " David Howells 2019-03-27 23:42 ` David Howells 2019-03-27 23:42 ` [RFC PATCH 17/68] vfs: Convert ocxlflash " David Howells 2019-03-27 23:42 ` [RFC PATCH 18/68] vfs: Convert virtio_balloon " David Howells 2019-03-27 23:42 ` David Howells 2019-03-27 23:42 ` [RFC PATCH 19/68] vfs: Convert btrfs_test " David Howells 2019-03-27 23:43 ` [RFC PATCH 20/68] vfs: Kill off mount_pseudo() and mount_pseudo_xattr() David Howells 2019-03-27 23:43 ` [RFC PATCH 21/68] vfs: Use sget_fc() for pseudo-filesystems David Howells 2019-03-27 23:43 ` [RFC PATCH 22/68] vfs: Convert binderfs to use the new mount API David Howells 2019-03-28 14:45 ` Dan Carpenter 2019-04-10 10:01 ` David Howells 2019-03-27 23:43 ` [RFC PATCH 23/68] vfs: Convert nfsctl " David Howells 2019-03-27 23:43 ` [RFC PATCH 24/68] vfs: Convert rpc_pipefs " David Howells 2019-03-27 23:43 ` [RFC PATCH 25/68] vfs: Kill mount_ns() David Howells 2019-03-27 23:43 ` [RFC PATCH 26/68] vfs: Kill sget_userns() David Howells 2019-03-27 23:43 ` [RFC PATCH 27/68] vfs: Convert binfmt_misc to use the new mount API David Howells 2019-03-27 23:44 ` [RFC PATCH 28/68] vfs: Convert configfs " David Howells 2019-03-27 23:44 ` [RFC PATCH 29/68] vfs: Convert efivarfs " David Howells 2019-03-27 23:44 ` [RFC PATCH 30/68] vfs: Convert fusectl " David Howells 2019-04-24 13:49 ` Miklos Szeredi 2019-04-24 15:16 ` David Howells 2019-03-27 23:44 ` [RFC PATCH 31/68] vfs: Convert qib_fs/ipathfs " David Howells 2019-04-09 17:14 ` Dennis Dalessandro 2019-03-27 23:44 ` [RFC PATCH 32/68] vfs: Convert ibmasmfs " David Howells 2019-03-27 23:44 ` [RFC PATCH 33/68] vfs: Convert oprofilefs " David Howells 2019-03-27 23:44 ` David Howells [this message] 2019-03-27 23:44 ` [RFC,34/68] vfs: Convert gadgetfs " David Howells 2019-03-27 23:44 ` [RFC PATCH 35/68] vfs: Convert xenfs " David Howells 2019-04-02 7:38 ` Juergen Gross 2019-04-02 7:38 ` Juergen Gross 2019-03-27 23:44 ` David Howells 2019-03-27 23:45 ` [RFC PATCH 36/68] vfs: Convert openpromfs " David Howells 2019-03-27 23:45 ` [RFC PATCH 37/68] vfs: Convert apparmorfs " David Howells 2019-03-27 23:45 ` [RFC PATCH 38/68] vfs: Convert securityfs " David Howells 2019-03-27 23:45 ` [RFC PATCH 39/68] vfs: Convert selinuxfs " David Howells 2019-03-27 23:45 ` [RFC PATCH 40/68] vfs: Convert smackfs " David Howells 2019-03-27 23:45 ` [RFC PATCH 41/68] vfs: Convert ramfs, shmem, tmpfs, devtmpfs, rootfs " David Howells 2019-03-27 23:45 ` [RFC PATCH 42/68] vfs: Create fs_context-aware mount_bdev() replacement David Howells 2019-03-27 23:45 ` [RFC PATCH 43/68] vfs: Make fs_parse() handle fs_param_is_fd-type params better David Howells 2019-03-27 23:46 ` [RFC PATCH 44/68] vfs: Convert fuse to use the new mount API David Howells 2019-04-24 13:53 ` Miklos Szeredi 2019-04-24 15:22 ` David Howells 2019-04-24 17:28 ` Miklos Szeredi 2019-03-27 23:46 ` [RFC PATCH 45/68] vfs: Move the subtype parameter into fuse David Howells 2019-03-27 23:46 ` [RFC PATCH 46/68] mtd: Provide fs_context-aware mount_mtd() replacement David Howells 2019-03-27 23:46 ` David Howells 2019-03-27 23:46 ` [RFC PATCH 47/68] vfs: Convert romfs to use the new mount API David Howells 2019-03-27 23:46 ` David Howells 2019-03-27 23:46 ` [RFC PATCH 48/68] vfs: Convert cramfs " David Howells 2019-03-27 23:46 ` David Howells 2019-04-01 15:25 ` Nicolas Pitre 2019-04-01 15:25 ` Nicolas Pitre 2019-03-27 23:46 ` [RFC PATCH 49/68] vfs: Convert jffs2 " David Howells 2019-03-27 23:46 ` David Howells 2019-03-27 23:46 ` [RFC PATCH 50/68] mtd: Kill mount_mtd() David Howells 2019-03-27 23:46 ` David Howells 2019-03-27 23:47 ` [RFC PATCH 51/68] vfs: Convert squashfs to use the new mount API David Howells 2019-03-27 23:47 ` [RFC PATCH 52/68] vfs: Convert ceph " David Howells 2019-04-27 12:27 ` Jeff Layton 2019-03-27 23:47 ` [RFC PATCH 53/68] vfs: Convert functionfs " David Howells 2019-03-27 23:47 ` [RFC,53/68] " David Howells 2019-03-28 10:43 ` [RFC PATCH 53/68] " Michał Nazarewicz 2019-03-28 10:43 ` [RFC,53/68] " Michał Nazarewicz 2019-03-27 23:47 ` [RFC PATCH 54/68] vfs: Add a single-or-reconfig keying to vfs_get_super() David Howells 2019-03-27 23:47 ` [RFC PATCH 55/68] vfs: Convert debugfs to use the new mount API David Howells 2019-03-27 23:47 ` [RFC PATCH 56/68] vfs: Convert tracefs " David Howells 2019-03-27 23:47 ` [RFC PATCH 57/68] vfs: Convert pstore " David Howells 2019-03-28 0:24 ` Kees Cook 2019-03-27 23:47 ` [RFC PATCH 58/68] hypfs: Fix error number left in struct pointer member David Howells 2019-03-27 23:48 ` [RFC PATCH 59/68] vfs: Convert hypfs to use the new mount API David Howells 2019-03-27 23:48 ` [RFC PATCH 60/68] vfs: Convert spufs " David Howells 2019-03-27 23:48 ` David Howells 2019-03-27 23:48 ` [RFC PATCH 61/68] vfs: Kill mount_single() David Howells 2019-03-27 23:48 ` [RFC PATCH 62/68] vfs: Convert coda to use the new mount API David Howells 2019-03-27 23:48 ` [RFC PATCH 63/68] vfs: Convert autofs " David Howells 2019-03-27 23:48 ` [RFC PATCH 64/68] vfs: Convert devpts " David Howells 2019-04-05 12:52 ` Christian Brauner 2019-03-27 23:48 ` [RFC PATCH 65/68] vfs: Convert bpf " David Howells 2019-03-27 23:48 ` [RFC PATCH 66/68] vfs: Convert ubifs " David Howells 2019-03-27 23:48 ` David Howells 2019-03-27 23:49 ` [RFC PATCH 67/68] vfs: Convert orangefs " David Howells 2019-03-27 23:49 ` [RFC PATCH 68/68] gfs2: Convert gfs2 to fs_context David Howells 2019-03-27 23:49 ` [Cluster-devel] " David Howells
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