linux-kernel - [PATCH] Documentation: filesystems: updated struct file

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Date:	Sat, 6 Jun 2015 14:42:34 +0200
From:	Thomas de Beauchene <thomas.chauvot-de-beauchene@...tech.eu>
To:	<corbet@....net>
CC:	<linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	"Thomas de Beauchene" <thomas.chauvot-de-beauchene@...tech.eu>,
	Thomas de Beauchene <chauvo_t@...tech.eu>
Subject: [PATCH] Documentation: filesystems: updated struct file_operations documentation in vfs.txt

Updated struct file_operations documentation in vfs.txt to match
current implementation

Signed-off-by: Thomas de Beauchene <chauvo_t@...tech.eu>
---
 Documentation/filesystems/vfs.txt | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
index 5d833b3..510ff78 100644
--- a/Documentation/filesystems/vfs.txt
+++ b/Documentation/filesystems/vfs.txt
@@ -811,8 +811,9 @@ struct file_operations {
 	long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);
 	long (*compat_ioctl) (struct file *, unsigned int, unsigned long);
 	int (*mmap) (struct file *, struct vm_area_struct *);
+	int (*mremap)(struct file *, struct vm_area_struct *);
 	int (*open) (struct inode *, struct file *);
-	int (*flush) (struct file *);
+	int (*flush) (struct file *, fl_owner_t id);
 	int (*release) (struct inode *, struct file *);
 	int (*fsync) (struct file *, loff_t, loff_t, int datasync);
 	int (*aio_fsync) (struct kiocb *, int datasync);
@@ -822,11 +823,15 @@ struct file_operations {
 	unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);
 	int (*check_flags)(int);
 	int (*flock) (struct file *, int, struct file_lock *);
-	ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, size_t, unsigned int);
-	ssize_t (*splice_read)(struct file *, struct pipe_inode_info *, size_t, unsigned int);
-	int (*setlease)(struct file *, long arg, struct file_lock **, void **);
-	long (*fallocate)(struct file *, int mode, loff_t offset, loff_t len);
+	ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, loff_t *, size_t, unsigned int);
+	ssize_t (*splice_read)(struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
+	int (*setlease)(struct file *, long, struct file_lock **, void **);
+	long (*fallocate)(struct file *file, int mode, loff_t offset,
+			  loff_t len);
 	void (*show_fdinfo)(struct seq_file *m, struct file *f);
+#ifndef CONFIG_MMU
+	unsigned (*mmap_capabilities)(struct file *);
+#endif
 };
 
 Again, all methods are called without any locks being held, unless
-- 
2.1.4

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