[PATCH 30/38] vfs: Convert oprofilefs to fs_context
David Howells <[email protected]> Thu, 14 Mar 2019 16:12:58 +0000
| Newsgroups | gmane.linux.kernel,gmane.linux.oprofile,gmane.linux.file-systems |
|---|---|
| Organization | Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 |
| Message-ID | <155257997844.13720.4532474218095393341.stgit@warthog.procyon.org.uk> |
Signed-off-by: David Howells <[email protected]> cc: Robert Richter <[email protected]> cc: [email protected] --- drivers/oprofile/oprofilefs.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c index 4ea08979312c..d83fcd39ee55 100644 --- a/drivers/oprofile/oprofilefs.c +++ b/drivers/oprofile/oprofilefs.c @@ -14,6 +14,7 @@ #include <linux/module.h> #include <linux/oprofile.h> #include <linux/fs.h> +#include <linux/fs_context.h> #include <linux/pagemap.h> #include <linux/uaccess.h> @@ -238,7 +239,7 @@ struct dentry *oprofilefs_mkdir(struct dentry *parent, char const *name) } -static int oprofilefs_fill_super(struct super_block *sb, void *data, int silent) +static int oprofilefs_fill_super(struct super_block *sb, struct fs_context *fc) { struct inode *root_inode; @@ -263,18 +264,25 @@ static int oprofilefs_fill_super(struct super_block *sb, void *data, int silent) return 0; } - -static struct dentry *oprofilefs_mount(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) +static int oprofilefs_get_tree(struct fs_context *fc) { - return mount_single(fs_type, flags, data, oprofilefs_fill_super); + return vfs_get_super(fc, vfs_get_single_super, oprofilefs_fill_super); } +static const struct fs_context_operations oprofilefs_context_ops = { + .get_tree = oprofilefs_get_tree, +}; + +static int oprofilefs_init_fs_context(struct fs_context *fc) +{ + fc->ops = &oprofilefs_context_ops; + return 0; +} static struct file_system_type oprofilefs_type = { .owner = THIS_MODULE, .name = "oprofilefs", - .mount = oprofilefs_mount, + .init_fs_context = oprofilefs_init_fs_context, .kill_sb = kill_litter_super, }; MODULE_ALIAS_FS("oprofilefs");