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authorMiklos Szeredi <mszeredi@redhat.com>2017-09-04 21:42:22 +0200
committerMiklos Szeredi <mszeredi@redhat.com>2017-09-04 21:42:22 +0200
commit495e642939114478a5237a7d91661ba93b76f15a (patch)
tree99d9efa957ece9af764956d9ae2532de375351fa /include/linux/dcache.h
parent191a3980c6161d40c32e69273e0567615be17001 (diff)
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vfs: add flags to d_real()
Add a separate flags argument (in addition to the open flags) to control the behavior of d_real(). Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'include/linux/dcache.h')
-rw-r--r--include/linux/dcache.h11
1 files changed, 6 insertions, 5 deletions
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index aae1cdb76851..fd0721e520f4 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -147,7 +147,7 @@ struct dentry_operations {
struct vfsmount *(*d_automount)(struct path *);
int (*d_manage)(const struct path *, bool);
struct dentry *(*d_real)(struct dentry *, const struct inode *,
- unsigned int);
+ unsigned int, unsigned int);
} ____cacheline_aligned;
/*
@@ -566,7 +566,8 @@ 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
+ * @open_flags: open flags to control copy-up behavior
+ * @flags: flags to control what is returned by this function
*
* If dentry is on a union/overlay, then return the underlying, real dentry.
* Otherwise return the dentry itself.
@@ -575,10 +576,10 @@ static inline struct dentry *d_backing_dentry(struct dentry *upper)
*/
static inline struct dentry *d_real(struct dentry *dentry,
const struct inode *inode,
- unsigned int flags)
+ unsigned int open_flags, unsigned int flags)
{
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, open_flags, flags);
else
return dentry;
}
@@ -593,7 +594,7 @@ 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, 0, 0));
}
struct name_snapshot {