missing: remove fanotify

It was only used in readahead.

4 files changed, 0 insertions, 159 deletions

diff --git a/Makefile.am b/Makefile.am
index e52db1793b..3b0ba0ae36 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -740,7 +740,6 @@ noinst_LTLIBRARIES += \
 
 libsystemd_shared_la_SOURCES = \
 	src/shared/linux/auto_dev-ioctl.h \
-	src/shared/linux/fanotify.h \
 	src/shared/ioprio.h \
 	src/shared/missing.h \
 	src/shared/initreq.h \
diff --git a/configure.ac b/configure.ac
index 945adfcbee..c3b4ea3ec9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -306,7 +306,6 @@ RT_LIBS="$LIBS"
 AC_SUBST(RT_LIBS)
 LIBS="$save_LIBS"
 
-AC_CHECK_FUNCS([fanotify_init fanotify_mark])
 AC_CHECK_FUNCS([memfd_create])
 AC_CHECK_FUNCS([__secure_getenv secure_getenv])
 AC_CHECK_DECLS([gettid, pivot_root, name_to_handle_at, setns, LO_FLAGS_PARTSCAN],
diff --git a/src/shared/linux/fanotify.h b/src/shared/linux/fanotify.h
deleted file mode 100644
index 63531a6b4d..0000000000
--- a/src/shared/linux/fanotify.h
+++ /dev/null
@@ -1,98 +0,0 @@
-#ifndef _LINUX_FANOTIFY_H
-#define _LINUX_FANOTIFY_H
-
-#include <linux/types.h>
-
-/* the following events that user-space can register for */
-#define FAN_ACCESS		0x00000001	/* File was accessed */
-#define FAN_MODIFY		0x00000002	/* File was modified */
-#define FAN_CLOSE_WRITE		0x00000008	/* Unwrittable file closed */
-#define FAN_CLOSE_NOWRITE	0x00000010	/* Writtable file closed */
-#define FAN_OPEN		0x00000020	/* File was opened */
-
-#define FAN_EVENT_ON_CHILD	0x08000000	/* interested in child events */
-
-/* FIXME currently Q's have no limit.... */
-#define FAN_Q_OVERFLOW		0x00004000	/* Event queued overflowed */
-
-#define FAN_OPEN_PERM		0x00010000	/* File open in perm check */
-#define FAN_ACCESS_PERM		0x00020000	/* File accessed in perm check */
-
-/* helper events */
-#define FAN_CLOSE		(FAN_CLOSE_WRITE | FAN_CLOSE_NOWRITE) /* close */
-
-/* flags used for fanotify_init() */
-#define FAN_CLOEXEC		0x00000001
-#define FAN_NONBLOCK		0x00000002
-
-#define FAN_ALL_INIT_FLAGS	(FAN_CLOEXEC | FAN_NONBLOCK)
-
-/* flags used for fanotify_modify_mark() */
-#define FAN_MARK_ADD		0x00000001
-#define FAN_MARK_REMOVE		0x00000002
-#define FAN_MARK_DONT_FOLLOW	0x00000004
-#define FAN_MARK_ONLYDIR	0x00000008
-#define FAN_MARK_MOUNT		0x00000010
-#define FAN_MARK_IGNORED_MASK	0x00000020
-#define FAN_MARK_IGNORED_SURV_MODIFY	0x00000040
-#define FAN_MARK_FLUSH		0x00000080
-
-#define FAN_ALL_MARK_FLAGS	(FAN_MARK_ADD |\
-				 FAN_MARK_REMOVE |\
-				 FAN_MARK_DONT_FOLLOW |\
-				 FAN_MARK_ONLYDIR |\
-				 FAN_MARK_MOUNT |\
-				 FAN_MARK_IGNORED_MASK |\
-				 FAN_MARK_IGNORED_SURV_MODIFY)
-
-/*
- * All of the events - we build the list by hand so that we can add flags in
- * the future and not break backward compatibility.  Apps will get only the
- * events that they originally wanted.  Be sure to add new events here!
- */
-#define FAN_ALL_EVENTS (FAN_ACCESS |\
-			FAN_MODIFY |\
-			FAN_CLOSE |\
-			FAN_OPEN)
-
-/*
- * All events which require a permission response from userspace
- */
-#define FAN_ALL_PERM_EVENTS (FAN_OPEN_PERM |\
-			     FAN_ACCESS_PERM)
-
-#define FAN_ALL_OUTGOING_EVENTS	(FAN_ALL_EVENTS |\
-				 FAN_ALL_PERM_EVENTS |\
-				 FAN_Q_OVERFLOW)
-
-#define FANOTIFY_METADATA_VERSION	2
-
-struct fanotify_event_metadata {
-	__u32 event_len;
-	__u32 vers;
-	__u64 mask;
-	__s32 fd;
-	__s32 pid;
-} __attribute__ ((packed));
-
-struct fanotify_response {
-	__s32 fd;
-	__u32 response;
-} __attribute__ ((packed));
-
-/* Legit userspace responses to a _PERM event */
-#define FAN_ALLOW	0x01
-#define FAN_DENY	0x02
-
-/* Helper functions to deal with fanotify_event_metadata buffers */
-#define FAN_EVENT_METADATA_LEN (sizeof(struct fanotify_event_metadata))
-
-#define FAN_EVENT_NEXT(meta, len) ((len) -= (meta)->event_len, \
-				   (struct fanotify_event_metadata*)(((char *)(meta)) + \
-				   (meta)->event_len))
-
-#define FAN_EVENT_OK(meta, len)	((long)(len) >= (long)FAN_EVENT_METADATA_LEN && \
-				(long)(meta)->event_len >= (long)FAN_EVENT_METADATA_LEN && \
-				(long)(meta)->event_len <= (long)(len))
-
-#endif /* _LINUX_FANOTIFY_H */
diff --git a/src/shared/missing.h b/src/shared/missing.h
index 656921d687..a88d9e414b 100644
--- a/src/shared/missing.h
+++ b/src/shared/missing.h
@@ -116,12 +116,6 @@ static inline int pivot_root(const char *new_root, const char *put_old) {
 #endif
 
 #ifdef __x86_64__
-#  ifndef __NR_fanotify_init
-#    define __NR_fanotify_init 300
-#  endif
-#  ifndef __NR_fanotify_mark
-#    define __NR_fanotify_mark 301
-#  endif
 #  ifndef __NR_memfd_create
 #    define __NR_memfd_create 319
 #  endif
@@ -130,69 +124,16 @@ static inline int pivot_root(const char *new_root, const char *put_old) {
 #    define __NR_memfd_create 385
 #  endif
 #elif defined _MIPS_SIM
-#  if _MIPS_SIM == _MIPS_SIM_ABI32
-#    ifndef __NR_fanotify_init
-#      define __NR_fanotify_init 4336
-#    endif
-#    ifndef __NR_fanotify_mark
-#      define __NR_fanotify_mark 4337
-#    endif
-#  elif _MIPS_SIM == _MIPS_SIM_NABI32
-#    ifndef __NR_fanotify_init
-#      define __NR_fanotify_init 6300
-#    endif
-#    ifndef __NR_fanotify_mark
-#      define __NR_fanotify_mark 6301
-#    endif
-#  elif _MIPS_SIM == _MIPS_SIM_ABI64
-#    ifndef __NR_fanotify_init
-#      define __NR_fanotify_init 5295
-#    endif
-#    ifndef __NR_fanotify_mark
-#      define __NR_fanotify_mark 5296
-#    endif
-#  endif
 #  ifndef __NR_memfd_create
 #    warning "__NR_memfd_create not yet defined for MIPS"
 #    define __NR_memfd_create 0xffffffff
 #  endif
 #else
-#  ifndef __NR_fanotify_init
-#    define __NR_fanotify_init 338
-#  endif
-#  ifndef __NR_fanotify_mark
-#    define __NR_fanotify_mark 339
-#  endif
 #  ifndef __NR_memfd_create
 #    define __NR_memfd_create 356
 #  endif
 #endif
 
-#ifndef HAVE_FANOTIFY_INIT
-static inline int fanotify_init(unsigned int flags, unsigned int event_f_flags) {
-        return syscall(__NR_fanotify_init, flags, event_f_flags);
-}
-#endif
-
-#ifndef HAVE_FANOTIFY_MARK
-static inline int fanotify_mark(int fanotify_fd, unsigned int flags, uint64_t mask,
-                                int dfd, const char *pathname) {
-#if defined _MIPS_SIM && _MIPS_SIM == _MIPS_SIM_ABI32 || defined __powerpc__ && !defined __powerpc64__ \
-    || defined __arm__ && !defined __aarch64__
-        union {
-                uint64_t _64;
-                uint32_t _32[2];
-        } _mask;
-        _mask._64 = mask;
-
-        return syscall(__NR_fanotify_mark, fanotify_fd, flags,
-                       _mask._32[0], _mask._32[1], dfd, pathname);
-#else
-        return syscall(__NR_fanotify_mark, fanotify_fd, flags, mask, dfd, pathname);
-#endif
-}
-#endif
-
 #ifndef HAVE_MEMFD_CREATE
 static inline int memfd_create(const char *name, unsigned int flags) {
         return syscall(__NR_memfd_create, name, flags);