#include <linux/uuid.h>
#include <linux/errseq.h>
#include <linux/ioprio.h>
+#include <linux/fs_types.h>
+#include <linux/build_bug.h>
+#include <linux/stddef.h>
#include <asm/byteorder.h>
#include <uapi/linux/fs.h>
int ki_flags;
u16 ki_hint;
u16 ki_ioprio; /* See linux/ioprio.h */
+ unsigned int ki_cookie; /* for ->iopoll */
randomized_struct_fields_end
};
struct fsnotify_mark_connector __rcu *i_fsnotify_marks;
#endif
-#if IS_ENABLED(CONFIG_FS_ENCRYPTION)
+#ifdef CONFIG_FS_ENCRYPTION
struct fscrypt_info *i_crypt_info;
#endif
atomic_long_inc(&f->f_count);
return f;
}
-#define get_file_rcu(x) atomic_long_inc_not_zero(&(x)->f_count)
+#define get_file_rcu_many(x, cnt) \
+ atomic_long_add_unless(&(x)->f_count, (cnt), 0)
+#define get_file_rcu(x) get_file_rcu_many((x), 1)
#define fput_atomic(x) atomic_long_add_unless(&(x)->f_count, -1, 1)
#define file_count(x) atomic_long_read(&(x)->f_count)
void *s_security;
#endif
const struct xattr_handler **s_xattr;
-#if IS_ENABLED(CONFIG_FS_ENCRYPTION)
+#ifdef CONFIG_FS_ENCRYPTION
const struct fscrypt_operations *s_cop;
#endif
struct hlist_bl_head s_roots; /* alternate root dentries for NFS */
u64 phys, u64 len, u32 flags);
int fiemap_check_flags(struct fiemap_extent_info *fieinfo, u32 fs_flags);
-/*
- * File types
- *
- * NOTE! These match bits 12..15 of stat.st_mode
- * (ie "(i_mode >> 12) & 15").
- */
-#define DT_UNKNOWN 0
-#define DT_FIFO 1
-#define DT_CHR 2
-#define DT_DIR 4
-#define DT_BLK 6
-#define DT_REG 8
-#define DT_LNK 10
-#define DT_SOCK 12
-#define DT_WHT 14
-
/*
* This is the "filldir" function type, used by readdir() to let
* the kernel specify what kind of dirent layout it wants to have.
ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *);
ssize_t (*read_iter) (struct kiocb *, struct iov_iter *);
ssize_t (*write_iter) (struct kiocb *, struct iov_iter *);
+ int (*iopoll)(struct kiocb *kiocb, bool spin);
int (*iterate) (struct file *, struct dir_context *);
int (*iterate_shared) (struct file *, struct dir_context *);
__poll_t (*poll) (struct file *, struct poll_table_struct *);
* I_WB_SWITCH Cgroup bdi_writeback switching in progress. Used to
* synchronize competing switching instances and to tell
* wb stat updates to grab the i_pages lock. See
- * inode_switch_wb_work_fn() for details.
+ * inode_switch_wbs_work_fn() for details.
*
* I_OVL_INUSE Used by overlayfs to get exclusive ownership on upper
* and work dirs among overlayfs mounts.
struct audit_names *aname;
const char iname[];
};
+static_assert(offsetof(struct filename, iname) % sizeof(long) == 0);
extern long vfs_truncate(const struct path *, loff_t);
extern int do_truncate(struct dentry *, loff_t start, unsigned int time_attrs,
extern int vfs_fadvise(struct file *file, loff_t offset, loff_t len,
int advice);
+#if defined(CONFIG_IO_URING)
+extern struct sock *io_uring_get_socket(struct file *file);
+#else
+static inline struct sock *io_uring_get_socket(struct file *file)
+{
+ return NULL;
+}
+#endif
+
#endif /* _LINUX_FS_H */