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

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Message-ID: <1434552395-31715-1-git-send-email-thomas.chauvot-de-beauchene@epitech.eu>
Date:	Wed, 17 Jun 2015 16:46:35 +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 inode_operations documentation in vfs.txt

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

Signed-off-by: Thomas de Beauchene <chauvo_t@...tech.eu>
---
 Documentation/filesystems/vfs.txt | 30 +++++++++++++++++++-----------
 1 file changed, 19 insertions(+), 11 deletions(-)

diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
index 3cb2ccf..ff53e34 100644
--- a/Documentation/filesystems/vfs.txt
+++ b/Documentation/filesystems/vfs.txt
@@ -341,11 +341,18 @@ struct inode_operations
 -----------------------
 
 This describes how the VFS can manipulate an inode in your
-filesystem. As of kernel 2.6.22, the following members are defined:
+filesystem. As of kernel 4.1, the following members are defined:
 
 struct inode_operations {
-	int (*create) (struct inode *,struct dentry *, umode_t, bool);
 	struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int);
+	void * (*follow_link) (struct dentry *, struct nameidata *);
+	int (*permission) (struct inode *, int);
+	struct posix_acl * (*get_acl)(struct inode *, int);
+
+	int (*readlink) (struct dentry *, char __user *,int);
+	void (*put_link) (struct dentry *, struct nameidata *, void *);
+
+	int (*create) (struct inode *,struct dentry *, umode_t, bool);
 	int (*link) (struct dentry *,struct inode *,struct dentry *);
 	int (*unlink) (struct inode *,struct dentry *);
 	int (*symlink) (struct inode *,struct dentry *,const char *);
@@ -356,23 +363,24 @@ struct inode_operations {
 			struct inode *, struct dentry *);
 	int (*rename2) (struct inode *, struct dentry *,
 			struct inode *, struct dentry *, unsigned int);
-	int (*readlink) (struct dentry *, char __user *,int);
-        void * (*follow_link) (struct dentry *, struct nameidata *);
-        void (*put_link) (struct dentry *, struct nameidata *, void *);
-	int (*permission) (struct inode *, int);
-	int (*get_acl)(struct inode *, int);
 	int (*setattr) (struct dentry *, struct iattr *);
 	int (*getattr) (struct vfsmount *mnt, struct dentry *, struct kstat *);
 	int (*setxattr) (struct dentry *, const char *,const void *,size_t,int);
 	ssize_t (*getxattr) (struct dentry *, const char *, void *, size_t);
 	ssize_t (*listxattr) (struct dentry *, char *, size_t);
 	int (*removexattr) (struct dentry *, const char *);
-	void (*update_time)(struct inode *, struct timespec *, int);
-	int (*atomic_open)(struct inode *, struct dentry *, struct file *,
-			unsigned open_flag, umode_t create_mode, int *opened);
+	int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start,
+		      u64 len);
+	int (*update_time)(struct inode *, struct timespec *, int);
+	int (*atomic_open)(struct inode *, struct dentry *,
+			   struct file *, unsigned open_flag,
+			   umode_t create_mode, int *opened);
 	int (*tmpfile) (struct inode *, struct dentry *, umode_t);
+	int (*set_acl)(struct inode *, struct posix_acl *, int);
+
+	/* WARNING: probably going away soon, do not use! */
 	int (*dentry_open)(struct dentry *, struct file *, const struct cred *);
-};
+} ____cacheline_aligned;
 
 Again, all methods are called without any locks being held, unless
 otherwise noted.
-- 
2.1.4

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