Commit ebfc3b49 authored by Al Viro's avatar Al Viro
Browse files

don't pass nameidata to ->create() 



boolean "does it have to be exclusive?" flag is passed instead;
Local filesystem should just ignore it - the object is guaranteed
not to be there yet.

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 72bd866a

Documentation/filesystems/Locking

+1 −1
Original line number Diff line number Diff line
@@ -37,7 +37,7 @@ d_manage: no no yes (ref-walk) maybe 


--------------------------- inode_operations --------------------------- 

prototypes:

	int (*create) (struct inode *,struct dentry *,umode_t, struct nameidata *);

	int (*create) (struct inode *,struct dentry *,umode_t, bool);

	struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int);

	int (*link) (struct dentry *,struct inode *,struct dentry *);

	int (*unlink) (struct inode *,struct dentry *);

Documentation/filesystems/porting

+6 −0
Original line number Diff line number Diff line
@@ -436,3 +436,9 @@ d_make_root() drops the reference to inode if dentry allocation fails. 
[mandatory]

	The witch is dead!  Well, 2/3 of it, anyway.  ->d_revalidate() and

->lookup() do *not* take struct nameidata anymore; just the flags.

--

[mandatory]

	->create() doesn't take struct nameidata *; unlike the previous

two, it gets "is it an O_EXCL or equivalent?" boolean argument.  Note that

local filesystems can ignore tha argument - they are guaranteed that the

object doesn't exist.  It's remote/distributed ones that might care...

Documentation/filesystems/vfs.txt

+1 −1
Original line number Diff line number Diff line
@@ -341,7 +341,7 @@ This describes how the VFS can manipulate an inode in your 
filesystem. As of kernel 2.6.22, the following members are defined:



struct inode_operations {

	int (*create) (struct inode *,struct dentry *, umode_t, struct nameidata *);

	int (*create) (struct inode *,struct dentry *, umode_t, bool);

	struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int);

	int (*link) (struct dentry *,struct inode *,struct dentry *);

	int (*unlink) (struct inode *,struct dentry *);

fs/9p/vfs_inode.c

+1 −1
Original line number Diff line number Diff line
@@ -725,7 +725,7 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode *dir, 


static int

v9fs_vfs_create(struct inode *dir, struct dentry *dentry, umode_t mode,

		struct nameidata *nd)

		bool excl)

{

	struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dir);

	u32 perm = unixmode2p9mode(v9ses, mode);

fs/9p/vfs_inode_dotl.c

+1 −1
Original line number Diff line number Diff line
@@ -235,7 +235,7 @@ int v9fs_open_to_dotl_flags(int flags) 


static int

v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, umode_t omode,

		struct nameidata *nd)

		bool excl)

{

	return v9fs_vfs_mknod_dotl(dir, dentry, omode, 0);

}