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-rw-r--r--include/asm-generic/fcntl.h8
-rw-r--r--include/linux/fs.h6
-rw-r--r--include/linux/fsnotify.h24
3 files changed, 29 insertions, 9 deletions
diff --git a/include/asm-generic/fcntl.h b/include/asm-generic/fcntl.h
index fcd268ce0674..009bd6149d99 100644
--- a/include/asm-generic/fcntl.h
+++ b/include/asm-generic/fcntl.h
@@ -3,6 +3,14 @@
#include <linux/types.h>
+/*
+ * FMODE_EXEC is 0x20
+ * FMODE_NONOTIFY is 0x800000
+ * These cannot be used by userspace O_* until internal and external open
+ * flags are split.
+ * -Eric Paris
+ */
+
#define O_ACCMODE 00000003
#define O_RDONLY 00000000
#define O_WRONLY 00000001
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 85fe89c43487..50ef4d4c95bf 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -90,6 +90,9 @@ struct inodes_stat_t {
/* Expect random access pattern */
#define FMODE_RANDOM ((__force fmode_t)0x1000)
+/* File was opened by fanotify and shouldn't generate fanotify events */
+#define FMODE_NONOTIFY ((__force fmode_t)8388608)
+
/*
* The below are the various read and write types that we support. Some of
* them include behavioral modifiers that send information down to the
@@ -2508,7 +2511,8 @@ int proc_nr_files(struct ctl_table *table, int write,
int __init get_filesystem_list(char *buf);
#define ACC_MODE(x) ("\004\002\006\006"[(x)&O_ACCMODE])
-#define OPEN_FMODE(flag) ((__force fmode_t)((flag + 1) & O_ACCMODE))
+#define OPEN_FMODE(flag) ((__force fmode_t)(((flag + 1) & O_ACCMODE) | \
+ (flag & FMODE_NONOTIFY)))
#endif /* __KERNEL__ */
#endif /* _LINUX_FS_H */
diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
index 62e93a9dd115..5184a2b786c1 100644
--- a/include/linux/fsnotify.h
+++ b/include/linux/fsnotify.h
@@ -165,8 +165,10 @@ static inline void fsnotify_access(struct file *file)
if (S_ISDIR(inode->i_mode))
mask |= FS_IN_ISDIR;
- fsnotify_parent(path, NULL, mask);
- fsnotify(inode, mask, path, FSNOTIFY_EVENT_PATH, NULL, 0);
+ if (!(file->f_mode & FMODE_NONOTIFY)) {
+ fsnotify_parent(path, NULL, mask);
+ fsnotify(inode, mask, path, FSNOTIFY_EVENT_PATH, NULL, 0);
+ }
}
/*
@@ -181,8 +183,10 @@ static inline void fsnotify_modify(struct file *file)
if (S_ISDIR(inode->i_mode))
mask |= FS_IN_ISDIR;
- fsnotify_parent(path, NULL, mask);
- fsnotify(inode, mask, path, FSNOTIFY_EVENT_PATH, NULL, 0);
+ if (!(file->f_mode & FMODE_NONOTIFY)) {
+ fsnotify_parent(path, NULL, mask);
+ fsnotify(inode, mask, path, FSNOTIFY_EVENT_PATH, NULL, 0);
+ }
}
/*
@@ -197,8 +201,10 @@ static inline void fsnotify_open(struct file *file)
if (S_ISDIR(inode->i_mode))
mask |= FS_IN_ISDIR;
- fsnotify_parent(path, NULL, mask);
- fsnotify(inode, mask, path, FSNOTIFY_EVENT_PATH, NULL, 0);
+ if (!(file->f_mode & FMODE_NONOTIFY)) {
+ fsnotify_parent(path, NULL, mask);
+ fsnotify(inode, mask, path, FSNOTIFY_EVENT_PATH, NULL, 0);
+ }
}
/*
@@ -214,8 +220,10 @@ static inline void fsnotify_close(struct file *file)
if (S_ISDIR(inode->i_mode))
mask |= FS_IN_ISDIR;
- fsnotify_parent(path, NULL, mask);
- fsnotify(inode, mask, path, FSNOTIFY_EVENT_PATH, NULL, 0);
+ if (!(file->f_mode & FMODE_NONOTIFY)) {
+ fsnotify_parent(path, NULL, mask);
+ fsnotify(inode, mask, path, FSNOTIFY_EVENT_PATH, NULL, 0);
+ }
}
/*