Documentation/filesystems/vfs.txt: update file_operations documentation

->readv, ->writev and ->sendfile have been removed while ->show_fdinfo
has been added. The documentation should reflect this.

Signed-off-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
index deb48b5..c53784c 100644 (file)
--- a/Documentation/filesystems/vfs.txt
+++ b/Documentation/filesystems/vfs.txt
@@ -782,7 +782,7 @@ struct file_operations
 ----------------------
 
 This describes how the VFS can manipulate an open file. As of kernel
-3.5, the following members are defined:
+3.12, the following members are defined:
 
 struct file_operations {
        struct module *owner;
@@ -803,9 +803,6 @@ struct file_operations {
        int (*aio_fsync) (struct kiocb *, int datasync);
        int (*fasync) (int, struct file *, int);
        int (*lock) (struct file *, int, struct file_lock *);
-       ssize_t (*readv) (struct file *, const struct iovec *, unsigned long, loff_t *);
-       ssize_t (*writev) (struct file *, const struct iovec *, unsigned long, loff_t *);
-       ssize_t (*sendfile) (struct file *, loff_t *, size_t, read_actor_t, void *);
        ssize_t (*sendpage) (struct file *, struct page *, int, size_t, loff_t *, int);
        unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);
        int (*check_flags)(int);
@@ -814,6 +811,7 @@ struct file_operations {
        ssize_t (*splice_read)(struct file *, struct pipe_inode_info *, size_t, unsigned int);
        int (*setlease)(struct file *, long arg, struct file_lock **);
        long (*fallocate)(struct file *, int mode, loff_t offset, loff_t len);
+       int (*show_fdinfo)(struct seq_file *m, struct file *f);
 };
 
 Again, all methods are called without any locks being held, unless
@@ -864,12 +862,6 @@ otherwise noted.
   lock: called by the fcntl(2) system call for F_GETLK, F_SETLK, and F_SETLKW
        commands
 
-  readv: called by the readv(2) system call
-
-  writev: called by the writev(2) system call
-
-  sendfile: called by the sendfile(2) system call
-
   get_unmapped_area: called by the mmap(2) system call
 
   check_flags: called by the fcntl(2) system call for F_SETFL command