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[RFC,16/68] vfs: Convert cxl to use the new mount API

Message ID 155373015344.7602.14532609506145623807.stgit@warthog.procyon.org.uk (mailing list archive)
State New, archived
Headers show
Series [RFC,01/68] kbuild: skip sub-make for in-tree build with GNU Make 4.x | expand

Commit Message

David Howells March 27, 2019, 11:42 p.m. UTC 
Convert the cxl 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: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.ibm.com>
cc: linuxppc-dev@lists.ozlabs.org
---

 drivers/misc/cxl/api.c |   10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)
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Patch

diff --git a/drivers/misc/cxl/api.c b/drivers/misc/cxl/api.c
index 750470ef2049..395e9a88e6ba 100644
--- a/drivers/misc/cxl/api.c
+++ b/drivers/misc/cxl/api.c
@@ -13,6 +13,7 @@ 
 #include <misc/cxl.h>
 #include <linux/module.h>
 #include <linux/mount.h>
+#include <linux/fs_context.h>
 #include <linux/sched/mm.h>
 #include <linux/mmu_context.h>
 
@@ -41,17 +42,16 @@  static const struct dentry_operations cxl_fs_dops = {
 	.d_dname	= simple_dname,
 };
 
-static struct dentry *cxl_fs_mount(struct file_system_type *fs_type, int flags,
-				const char *dev_name, void *data)
+static int cxl_fs_init_fs_context(struct fs_context *fc)
 {
-	return mount_pseudo(fs_type, "cxl:", NULL, &cxl_fs_dops,
-			CXL_PSEUDO_FS_MAGIC);
+	return vfs_init_pseudo_fs_context(fc, "cxl:", NULL, NULL,
+					  &cxl_fs_dops, CXL_PSEUDO_FS_MAGIC);
 }
 
 static struct file_system_type cxl_fs_type = {
 	.name		= "cxl",
 	.owner		= THIS_MODULE,
-	.mount		= cxl_fs_mount,
+	.init_fs_context = cxl_fs_init_fs_context,
 	.kill_sb	= kill_anon_super,
 };