These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / include / linux / seq_file.h

diff --git a/kernel/include/linux/seq_file.h b/kernel/include/linux/seq_file.h
index afbb1fd..dde00de 100644 (file)
--- a/kernel/include/linux/seq_file.h
+++ b/kernel/include/linux/seq_file.h
@@ -114,15 +114,25 @@ int seq_open(struct file *, const struct seq_operations *);
 ssize_t seq_read(struct file *, char __user *, size_t, loff_t *);
 loff_t seq_lseek(struct file *, loff_t, int);
 int seq_release(struct inode *, struct file *);
-int seq_escape(struct seq_file *, const char *, const char *);
-int seq_putc(struct seq_file *m, char c);
-int seq_puts(struct seq_file *m, const char *s);
 int seq_write(struct seq_file *seq, const void *data, size_t len);
 
-__printf(2, 3) int seq_printf(struct seq_file *, const char *, ...);
-__printf(2, 0) int seq_vprintf(struct seq_file *, const char *, va_list args);
+__printf(2, 0)
+void seq_vprintf(struct seq_file *m, const char *fmt, va_list args);
+__printf(2, 3)
+void seq_printf(struct seq_file *m, const char *fmt, ...);
+void seq_putc(struct seq_file *m, char c);
+void seq_puts(struct seq_file *m, const char *s);
+void seq_put_decimal_ull(struct seq_file *m, char delimiter,
+                        unsigned long long num);
+void seq_put_decimal_ll(struct seq_file *m, char delimiter, long long num);
+void seq_escape(struct seq_file *m, const char *s, const char *esc);
+
+void seq_hex_dump(struct seq_file *m, const char *prefix_str, int prefix_type,
+                 int rowsize, int groupsize, const void *buf, size_t len,
+                 bool ascii);
 
 int seq_path(struct seq_file *, const struct path *, const char *);
+int seq_file_path(struct seq_file *, struct file *, const char *);
 int seq_dentry(struct seq_file *, struct dentry *, const char *);
 int seq_path_root(struct seq_file *m, const struct path *path,
                  const struct path *root, const char *esc);
@@ -133,10 +143,6 @@ int single_release(struct inode *, struct file *);
 void *__seq_open_private(struct file *, const struct seq_operations *, int);
 int seq_open_private(struct file *, const struct seq_operations *, int);
 int seq_release_private(struct inode *, struct file *);
-int seq_put_decimal_ull(struct seq_file *m, char delimiter,
-                       unsigned long long num);
-int seq_put_decimal_ll(struct seq_file *m, char delimiter,
-                       long long num);
 
 static inline struct user_namespace *seq_user_ns(struct seq_file *seq)
 {
@@ -148,6 +154,41 @@ static inline struct user_namespace *seq_user_ns(struct seq_file *seq)
 #endif
 }
 
+/**
+ * seq_show_options - display mount options with appropriate escapes.
+ * @m: the seq_file handle
+ * @name: the mount option name
+ * @value: the mount option name's value, can be NULL
+ */
+static inline void seq_show_option(struct seq_file *m, const char *name,
+                                  const char *value)
+{
+       seq_putc(m, ',');
+       seq_escape(m, name, ",= \t\n\\");
+       if (value) {
+               seq_putc(m, '=');
+               seq_escape(m, value, ", \t\n\\");
+       }
+}
+
+/**
+ * seq_show_option_n - display mount options with appropriate escapes
+ *                    where @value must be a specific length.
+ * @m: the seq_file handle
+ * @name: the mount option name
+ * @value: the mount option name's value, cannot be NULL
+ * @length: the length of @value to display
+ *
+ * This is a macro since this uses "length" to define the size of the
+ * stack buffer.
+ */
+#define seq_show_option_n(m, name, value, length) {    \
+       char val_buf[length + 1];                       \
+       strncpy(val_buf, value, length);                \
+       val_buf[length] = '\0';                         \
+       seq_show_option(m, name, val_buf);              \
+}
+
 #define SEQ_START_TOKEN ((void *)1)
 /*
  * Helpers for iteration over list_head-s in seq_files