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vfs: Convert ocxlflash to use the new mount API

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Convert the ocxlflash 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: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
cc: "Manoj N. Kumar" <manoj@linux.ibm.com>
cc: Uma Krishnan <ukrishn@linux.ibm.com>
cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
cc: "Martin K. Petersen" <martin.petersen@oracle.com>
cc: linux-scsi@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
David Howells 2019-03-25 16:38:25 +00:00 committed by Al Viro
parent 52418c8f00
commit 219e696390
1 changed files with 4 additions and 14 deletions
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18
drivers/scsi/cxlflash/ocxl_hw.c
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@ -16,6 +16,7 @@
#include <linux/idr.h>
#include <linux/module.h>
#include <linux/mount.h>
#include <linux/pseudo_fs.h>
#include <linux/poll.h>
#include <linux/sched/signal.h>
@ -35,26 +36,15 @@
static int ocxlflash_fs_cnt;
static struct vfsmount *ocxlflash_vfs_mount;
/*
* ocxlflash_fs_mount() - mount the pseudo-filesystem
* @fs_type: File system type.
* @flags: Flags for the filesystem.
* @dev_name: Device name associated with the filesystem.
* @data: Data pointer.
*
* Return: pointer to the directory entry structure
*/
static struct dentry *ocxlflash_fs_mount(struct file_system_type *fs_type,
int flags, const char *dev_name,
void *data)
static int ocxlflash_fs_init_fs_context(struct fs_context *fc)
{
return mount_pseudo(fs_type, NULL, NULL, OCXLFLASH_FS_MAGIC);
return init_pseudo(fc, OCXLFLASH_FS_MAGIC) ? 0 : -ENOMEM;
}
static struct file_system_type ocxlflash_fs_type = {
.name = "ocxlflash",
.owner = THIS_MODULE,
.mount = ocxlflash_fs_mount,
.init_fs_context = ocxlflash_fs_init_fs_context,
.kill_sb = kill_anon_super,
};