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Commit 60545d0d authored by Al Viro's avatar Al Viro
Browse files

[O_TMPFILE] it's still short a few helpers, but infrastructure should be OK now... 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent f9652e10

arch/alpha/include/uapi/asm/fcntl.h

+1 −0
Original line number Diff line number Diff line
@@ -32,6 +32,7 @@ 
#define O_SYNC		(__O_SYNC|O_DSYNC)



#define O_PATH		040000000

#define O_TMPFILE	0100000000



#define F_GETLK		7

#define F_SETLK		8

arch/parisc/include/uapi/asm/fcntl.h

+1 −0
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 
#define O_INVISIBLE	004000000 /* invisible I/O, for DMAPI/XDSM */



#define O_PATH		020000000

#define O_TMPFILE	040000000



#define F_GETLK64	8

#define F_SETLK64	9

arch/sparc/include/uapi/asm/fcntl.h

+1 −0
Original line number Diff line number Diff line
@@ -35,6 +35,7 @@ 
#define O_SYNC		(__O_SYNC|O_DSYNC)



#define O_PATH		0x1000000

#define O_TMPFILE	0x2000000



#define F_GETOWN	5	/*  for sockets. */

#define F_SETOWN	6	/*  for sockets. */

fs/dcache.c

+16 −0
Original line number Diff line number Diff line
@@ -2968,6 +2968,22 @@ void d_genocide(struct dentry *root) 
	goto again;

}



void d_tmpfile(struct dentry *dentry, struct inode *inode)

{

	inode_dec_link_count(inode);

	BUG_ON(dentry->d_name.name != dentry->d_iname ||

		!hlist_unhashed(&dentry->d_alias) ||

		!d_unlinked(dentry));

	spin_lock(&dentry->d_parent->d_lock);

	spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);

	dentry->d_name.len = sprintf(dentry->d_iname, "#%llu",

				(unsigned long long)inode->i_ino);

	spin_unlock(&dentry->d_lock);

	spin_unlock(&dentry->d_parent->d_lock);

	d_instantiate(dentry, inode);

}

EXPORT_SYMBOL(d_tmpfile);



/**

 * find_inode_number - check for dentry with name

 * @dir: directory to check

fs/ext2/namei.c

+24 −0
Original line number Diff line number Diff line
@@ -119,6 +119,29 @@ static int ext2_create (struct inode * dir, struct dentry * dentry, umode_t mode 
	return ext2_add_nondir(dentry, inode);

}



static int ext2_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)

{

	struct inode *inode = ext2_new_inode(dir, mode, NULL);

	if (IS_ERR(inode))

		return PTR_ERR(inode);



	inode->i_op = &ext2_file_inode_operations;

	if (ext2_use_xip(inode->i_sb)) {

		inode->i_mapping->a_ops = &ext2_aops_xip;

		inode->i_fop = &ext2_xip_file_operations;

	} else if (test_opt(inode->i_sb, NOBH)) {

		inode->i_mapping->a_ops = &ext2_nobh_aops;

		inode->i_fop = &ext2_file_operations;

	} else {

		inode->i_mapping->a_ops = &ext2_aops;

		inode->i_fop = &ext2_file_operations;

	}

	mark_inode_dirty(inode);

	d_tmpfile(dentry, inode);

	unlock_new_inode(inode);

	return 0;

}



static int ext2_mknod (struct inode * dir, struct dentry *dentry, umode_t mode, dev_t rdev)

{

	struct inode * inode;
@@ -398,6 +421,7 @@ const struct inode_operations ext2_dir_inode_operations = { 
#endif

	.setattr	= ext2_setattr,

	.get_acl	= ext2_get_acl,

	.tmpfile	= ext2_tmpfile,

};



const struct inode_operations ext2_special_inode_operations = {