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vfs: remove open_flags from d_real()

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Opening regular files on overlayfs is now handled via ovl_open().  Remove
the now unused "open_flags" argument from d_op->d_real() and the d_real()
helper.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Miklos Szeredi 2018-07-18 15:44:44 +02:00
parent 573e178481
commit fb16043b46
5 changed files with 13 additions and 55 deletions
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11
include/linux/dcache.h
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@ -145,8 +145,7 @@ struct dentry_operations {
char *(*d_dname)(struct dentry *, char *, int);
struct vfsmount *(*d_automount)(struct path *);
int (*d_manage)(const struct path *, bool);
struct dentry *(*d_real)(struct dentry *, const struct inode *,
unsigned int);
struct dentry *(*d_real)(struct dentry *, const struct inode *);
} ____cacheline_aligned;
/*
@ -568,7 +567,6 @@ static inline struct dentry *d_backing_dentry(struct dentry *upper)
* d_real - Return the real dentry
* @dentry: the dentry to query
* @inode: inode to select the dentry from multiple layers (can be NULL)
* @flags: open flags to control copy-up behavior
*
* If dentry is on a union/overlay, then return the underlying, real dentry.
* Otherwise return the dentry itself.
@ -576,11 +574,10 @@ static inline struct dentry *d_backing_dentry(struct dentry *upper)
* See also: Documentation/filesystems/vfs.txt
*/
static inline struct dentry *d_real(struct dentry *dentry,
const struct inode *inode,
unsigned int flags)
const struct inode *inode)
{
if (unlikely(dentry->d_flags & DCACHE_OP_REAL))
return dentry->d_op->d_real(dentry, inode, flags);
return dentry->d_op->d_real(dentry, inode);
else
return dentry;
}
@ -595,7 +592,7 @@ static inline struct dentry *d_real(struct dentry *dentry,
static inline struct inode *d_real_inode(const struct dentry *dentry)
{
/* This usage of d_real() results in const dentry */
return d_backing_inode(d_real((struct dentry *) dentry, NULL, 0));
return d_backing_inode(d_real((struct dentry *) dentry, NULL));
}
struct name_snapshot {