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VFS: Kill off s_options and helpers

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Kill off s_options, save/replace_mount_options() and generic_show_options()
as all filesystems now implement ->show_options() for themselves.  This
should make it easier to implement a context-based mount where the mount
options can be passed individually over a file descriptor.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
David Howells
2017-07-05 16:25:53 +01:00
committed by Al Viro
parent 4dfdb71307
commit 1d278a8790
5 changed files with 0 additions and 76 deletions
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9
include/linux/fs.h
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@@ -1351,11 +1351,6 @@ struct super_block {
*/
char *s_subtype;
/*
* Saved mount options for lazy filesystems using
* generic_show_options()
*/
char __rcu *s_options;
const struct dentry_operations *s_d_op; /* default d_op for dentries */
/*
@@ -3033,10 +3028,6 @@ extern void setattr_copy(struct inode *inode, const struct iattr *attr);
extern int file_update_time(struct file *file);
extern int generic_show_options(struct seq_file *m, struct dentry *root);
extern void save_mount_options(struct super_block *sb, char *options);
extern void replace_mount_options(struct super_block *sb, char *options);
static inline bool io_is_direct(struct file *filp)
{
return (filp->f_flags & O_DIRECT) || IS_DAX(filp->f_mapping->host);