mirror of https://github.com/OpenIPC/firmware.git
119 lines
3.7 KiB
Diff
119 lines
3.7 KiB
Diff
diff -drupN a/include/linux/debugfs.h b/include/linux/debugfs.h
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--- a/include/linux/debugfs.h 2018-08-06 17:23:04.000000000 +0300
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+++ b/include/linux/debugfs.h 2022-06-12 05:28:14.000000000 +0300
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@@ -9,7 +9,7 @@
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* 2 as published by the Free Software Foundation.
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*
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* debugfs is for people to use instead of /proc or /sys.
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- * See Documentation/DocBook/filesystems for more details.
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+ * See Documentation/filesystems/ for more details.
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*/
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#ifndef _DEBUGFS_H_
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@@ -23,7 +23,6 @@
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struct device;
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struct file_operations;
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-struct srcu_struct;
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struct debugfs_blob_wrapper {
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void *data;
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@@ -43,25 +42,6 @@ struct debugfs_regset32 {
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extern struct dentry *arch_debugfs_dir;
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-extern struct srcu_struct debugfs_srcu;
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-
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-/**
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- * debugfs_real_fops - getter for the real file operation
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- * @filp: a pointer to a struct file
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- *
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- * Must only be called under the protection established by
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- * debugfs_use_file_start().
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- */
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-static inline const struct file_operations *debugfs_real_fops(struct file *filp)
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- __must_hold(&debugfs_srcu)
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-{
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- /*
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- * Neither the pointer to the struct file_operations, nor its
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- * contents ever change -- srcu_dereference() is not needed here.
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- */
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- return filp->f_path.dentry->d_fsdata;
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-}
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-
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#define DEFINE_DEBUGFS_ATTRIBUTE(__fops, __get, __set, __fmt) \
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static int __fops ## _open(struct inode *inode, struct file *file) \
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{ \
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@@ -74,7 +54,7 @@ static const struct file_operations __fo
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.release = simple_attr_release, \
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.read = debugfs_attr_read, \
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.write = debugfs_attr_write, \
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- .llseek = generic_file_llseek, \
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+ .llseek = no_llseek, \
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}
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#if defined(CONFIG_DEBUG_FS)
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@@ -105,10 +85,11 @@ struct dentry *debugfs_create_automount(
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void debugfs_remove(struct dentry *dentry);
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void debugfs_remove_recursive(struct dentry *dentry);
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-int debugfs_use_file_start(const struct dentry *dentry, int *srcu_idx)
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- __acquires(&debugfs_srcu);
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+const struct file_operations *debugfs_real_fops(const struct file *filp)
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+ __must_hold(&debugfs_srcu);
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-void debugfs_use_file_finish(int srcu_idx) __releases(&debugfs_srcu);
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+int debugfs_file_get(struct dentry *dentry);
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+void debugfs_file_put(struct dentry *dentry);
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ssize_t debugfs_attr_read(struct file *file, char __user *buf,
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size_t len, loff_t *ppos);
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@@ -188,6 +169,14 @@ static inline struct dentry *debugfs_cre
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return ERR_PTR(-ENODEV);
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}
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+static inline struct dentry *debugfs_create_file_unsafe(const char *name,
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+ umode_t mode, struct dentry *parent,
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+ void *data,
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+ const struct file_operations *fops)
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+{
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+ return ERR_PTR(-ENODEV);
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+}
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+
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static inline struct dentry *debugfs_create_file_size(const char *name, umode_t mode,
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struct dentry *parent, void *data,
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const struct file_operations *fops,
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@@ -223,15 +212,12 @@ static inline void debugfs_remove(struct
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static inline void debugfs_remove_recursive(struct dentry *dentry)
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{ }
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-static inline int debugfs_use_file_start(const struct dentry *dentry,
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- int *srcu_idx)
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- __acquires(&debugfs_srcu)
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+static inline int debugfs_file_get(struct dentry *dentry)
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{
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return 0;
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}
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-static inline void debugfs_use_file_finish(int srcu_idx)
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- __releases(&debugfs_srcu)
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+static inline void debugfs_file_put(struct dentry *dentry)
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{ }
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static inline ssize_t debugfs_attr_read(struct file *file, char __user *buf,
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@@ -280,6 +266,14 @@ static inline struct dentry *debugfs_cre
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{
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return ERR_PTR(-ENODEV);
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}
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+
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+static inline struct dentry *debugfs_create_ulong(const char *name,
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+ umode_t mode,
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+ struct dentry *parent,
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+ unsigned long *value)
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+{
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+ return ERR_PTR(-ENODEV);
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+}
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static inline struct dentry *debugfs_create_x8(const char *name, umode_t mode,
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struct dentry *parent,
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