There's not need to document vfs method invocation rules, we have
Documentation/filesystems/vfs.txt and Documentation/filesystems/Locking
for that. Also a lot of these comments where either plain wrong or
horrible out of date.
Signed-off-by: Christoph Hellwig <[EMAIL PROTECTED]>
Index: linux-2.6/fs/udf/dir.c
===================================================================
--- linux-2.6.orig/fs/udf/dir.c 2008-02-09 07:42:10.000000000 +0100
+++ linux-2.6/fs/udf/dir.c 2008-02-09 07:42:22.000000000 +0100
@@ -188,32 +188,6 @@ static int do_udf_readdir(struct inode *
return 0;
}
-/*
- * udf_readdir
- *
- * PURPOSE
- * Read a directory entry.
- *
- * DESCRIPTION
- * Optional - sys_getdents() will return -ENOTDIR if this routine is not
- * available.
- *
- * Refer to sys_getdents() in fs/readdir.c
- * sys_getdents() -> .
- *
- * PRE-CONDITIONS
- * filp Pointer to directory file.
- * buf Pointer to directory entry buffer.
- * filldir Pointer to filldir function.
- *
- * POST-CONDITIONS
- * <return> >=0 on success.
- *
- * HISTORY
- * July 1, 1997 - Andrew E. Mileski
- * Written, tested, and released.
- */
-
static int udf_readdir(struct file *filp, void *dirent, filldir_t filldir)
{
struct inode *dir = filp->f_path.dentry->d_inode;
Index: linux-2.6/fs/udf/file.c
===================================================================
--- linux-2.6.orig/fs/udf/file.c 2008-02-09 07:42:31.000000000 +0100
+++ linux-2.6/fs/udf/file.c 2008-02-09 07:43:11.000000000 +0100
@@ -144,40 +144,6 @@ static ssize_t udf_file_aio_write(struct
return retval;
}
-/*
- * udf_ioctl
- *
- * PURPOSE
- * Issue an ioctl.
- *
- * DESCRIPTION
- * Optional - sys_ioctl() will return -ENOTTY if this routine is not
- * available, and the ioctl cannot be handled without filesystem help.
- *
- * sys_ioctl() handles these ioctls that apply only to regular files:
- * FIBMAP [requires udf_block_map()], FIGETBSZ, FIONREAD
- * These ioctls are also handled by sys_ioctl():
- * FIOCLEX, FIONCLEX, FIONBIO, FIOASYNC
- * All other ioctls are passed to the filesystem.
- *
- * Refer to sys_ioctl() in fs/ioctl.c
- * sys_ioctl() -> .
- *
- * PRE-CONDITIONS
- * inode Pointer to inode that ioctl was issued on.
- * filp Pointer to file that ioctl was issued on.
- * cmd The ioctl command.
- * arg The ioctl argument [can be interpreted as a
- * user-space pointer if desired].
- *
- * POST-CONDITIONS
- * <return> Success (>=0) or an error code (<=0) that
- * sys_ioctl() will return.
- *
- * HISTORY
- * July 1, 1997 - Andrew E. Mileski
- * Written, tested, and released.
- */
int udf_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long arg)
{
@@ -225,18 +191,6 @@ int udf_ioctl(struct inode *inode, struc
return result;
}
-/*
- * udf_release_file
- *
- * PURPOSE
- * Called when all references to the file are closed
- *
- * DESCRIPTION
- * Discard prealloced blocks
- *
- * HISTORY
- *
- */
static int udf_release_file(struct inode *inode, struct file *filp)
{
if (filp->f_mode & FMODE_WRITE) {
Index: linux-2.6/fs/udf/inode.c
===================================================================
--- linux-2.6.orig/fs/udf/inode.c 2008-02-09 07:42:32.000000000 +0100
+++ linux-2.6/fs/udf/inode.c 2008-02-09 07:45:45.000000000 +0100
@@ -66,22 +66,7 @@ static void udf_update_extents(struct in
struct extent_position *);
static int udf_get_block(struct inode *, sector_t, struct buffer_head *, int);
-/*
- * udf_delete_inode
- *
- * PURPOSE
- * Clean-up before the specified inode is destroyed.
- *
- * DESCRIPTION
- * This routine is called when the kernel destroys an inode structure
- * ie. when iput() finds i_count == 0.
- *
- * HISTORY
- * July 1, 1997 - Andrew E. Mileski
- * Written, tested, and released.
- *
- * Called at the last iput() if i_nlink is zero.
- */
+
void udf_delete_inode(struct inode *inode)
{
truncate_inode_pages(&inode->i_data, 0);
@@ -1416,21 +1401,6 @@ static mode_t udf_convert_permissions(st
return mode;
}
-/*
- * udf_write_inode
- *
- * PURPOSE
- * Write out the specified inode.
- *
- * DESCRIPTION
- * This routine is called whenever an inode is synced.
- * Currently this routine is just a placeholder.
- *
- * HISTORY
- * July 1, 1997 - Andrew E. Mileski
- * Written, tested, and released.
- */
-
int udf_write_inode(struct inode *inode, int sync)
{
int ret;
Index: linux-2.6/fs/udf/namei.c
===================================================================
--- linux-2.6.orig/fs/udf/namei.c 2008-02-09 07:42:32.000000000 +0100
+++ linux-2.6/fs/udf/namei.c 2008-02-09 07:46:16.000000000 +0100
@@ -251,39 +251,6 @@ static struct fileIdentDesc *udf_find_en
return NULL;
}
-/*
- * udf_lookup
- *
- * PURPOSE
- * Look-up the inode for a given name.
- *
- * DESCRIPTION
- * Required - lookup_dentry() will return -ENOTDIR if this routine is not
- * available for a directory. The filesystem is useless if this routine is
- * not available for at least the filesystem's root directory.
- *
- * This routine is passed an incomplete dentry - it must be completed by
- * calling d_add(dentry, inode). If the name does not exist, then the
- * specified inode must be set to null. An error should only be returned
- * when the lookup fails for a reason other than the name not existing.
- * Note that the directory inode semaphore is held during the call.
- *
- * Refer to lookup_dentry() in fs/namei.c
- * lookup_dentry() -> lookup() -> real_lookup() -> .
- *
- * PRE-CONDITIONS
- * dir Pointer to inode of parent directory.
- * dentry Pointer to dentry to complete.
- * nd Pointer to lookup nameidata
- *
- * POST-CONDITIONS
- * <return> Zero on success.
- *
- * HISTORY
- * July 1, 1997 - Andrew E. Mileski
- * Written, tested, and released.
- */
-
static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry,
struct nameidata *nd)
{
Index: linux-2.6/fs/udf/super.c
===================================================================
--- linux-2.6.orig/fs/udf/super.c 2008-02-09 07:42:32.000000000 +0100
+++ linux-2.6/fs/udf/super.c 2008-02-09 07:47:13.000000000 +0100
@@ -1708,22 +1708,6 @@ static void udf_sb_free_bitmap(struct ud
vfree(bitmap);
}
-/*
- * udf_read_super
- *
- * PURPOSE
- * Complete the specified super block.
- *
- * PRE-CONDITIONS
- * sb Pointer to superblock to complete - never NULL.
- * sb->s_dev Device to read suberblock from.
- * options Pointer to mount options.
- * silent Silent flag.
- *
- * HISTORY
- * July 1, 1997 - Andrew E. Mileski
- * Written, tested, and released.
- */
static int udf_fill_super(struct super_block *sb, void *options, int silent)
{
int i;
@@ -1948,19 +1932,6 @@ void udf_warning(struct super_block *sb,
sb->s_id, function, error_buf);
}
-/*
- * udf_put_super
- *
- * PURPOSE
- * Prepare for destruction of the superblock.
- *
- * DESCRIPTION
- * Called before the filesystem is unmounted.
- *
- * HISTORY
- * July 1, 1997 - Andrew E. Mileski
- * Written, tested, and released.
- */
static void udf_put_super(struct super_block *sb)
{
int i;
@@ -1996,19 +1967,6 @@ static void udf_put_super(struct super_b
sb->s_fs_info = NULL;
}
-/*
- * udf_stat_fs
- *
- * PURPOSE
- * Return info about the filesystem.
- *
- * DESCRIPTION
- * Called by sys_statfs()
- *
- * HISTORY
- * July 1, 1997 - Andrew E. Mileski
- * Written, tested, and released.
- */
static int udf_statfs(struct dentry *dentry, struct kstatfs *buf)
{
struct super_block *sb = dentry->d_sb;
-
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