On Wed, Jul 23, 2008 at 09:51:10PM +0200, Christoph Hellwig wrote:
> On Fri, May 02, 2008 at 12:52:15PM +0200, Christoph Hellwig wrote:
> > Sanitize setting up the Linux indode.
> >
> > Setting up the xfs_inode <-> inode link is opencoded in xfs_iget_core
> > now because that's the only place it needs to be done,
> > xfs_initialize_vnode is renamed to xfs_setup_inode and loses all
> > superflous paramaters. The check for I_NEW is removed because it always
> > is true and the di_mode check moves into xfs_iget_core because it's only
> > needed there.
> >
> > xfs_set_inodeops and xfs_revalidate_inode are merged into
> > xfs_setup_inode and the whole things is moved into xfs_iops.c where it
> > belongs.
>
> Rediffed to apply ontop of Dave's and my vnode helper cleanups:
And another rediff after the vnode removal which was supposed to apply
after this patch. Any chance to get in before it gets three month old?
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Index: linux-2.6-xfs/fs/xfs/linux-2.6/xfs_iops.c
===================================================================
--- linux-2.6-xfs.orig/fs/xfs/linux-2.6/xfs_iops.c 2008-07-29
00:48:36.000000000 +0200
+++ linux-2.6-xfs/fs/xfs/linux-2.6/xfs_iops.c 2008-07-29 00:51:19.000000000
+0200
@@ -718,7 +718,7 @@ out_error:
return error;
}
-const struct inode_operations xfs_inode_operations = {
+static const struct inode_operations xfs_inode_operations = {
.permission = xfs_vn_permission,
.truncate = xfs_vn_truncate,
.getattr = xfs_vn_getattr,
@@ -730,7 +730,7 @@ const struct inode_operations xfs_inode_
.fallocate = xfs_vn_fallocate,
};
-const struct inode_operations xfs_dir_inode_operations = {
+static const struct inode_operations xfs_dir_inode_operations = {
.create = xfs_vn_create,
.lookup = xfs_vn_lookup,
.link = xfs_vn_link,
@@ -755,7 +755,7 @@ const struct inode_operations xfs_dir_in
.listxattr = xfs_vn_listxattr,
};
-const struct inode_operations xfs_dir_ci_inode_operations = {
+static const struct inode_operations xfs_dir_ci_inode_operations = {
.create = xfs_vn_create,
.lookup = xfs_vn_ci_lookup,
.link = xfs_vn_link,
@@ -780,7 +780,7 @@ const struct inode_operations xfs_dir_ci
.listxattr = xfs_vn_listxattr,
};
-const struct inode_operations xfs_symlink_inode_operations = {
+static const struct inode_operations xfs_symlink_inode_operations = {
.readlink = generic_readlink,
.follow_link = xfs_vn_follow_link,
.put_link = xfs_vn_put_link,
@@ -792,3 +792,98 @@ const struct inode_operations xfs_symlin
.removexattr = generic_removexattr,
.listxattr = xfs_vn_listxattr,
};
+
+STATIC void
+xfs_diflags_to_iflags(
+ struct inode *inode,
+ struct xfs_inode *ip)
+{
+ if (ip->i_d.di_flags & XFS_DIFLAG_IMMUTABLE)
+ inode->i_flags |= S_IMMUTABLE;
+ else
+ inode->i_flags &= ~S_IMMUTABLE;
+ if (ip->i_d.di_flags & XFS_DIFLAG_APPEND)
+ inode->i_flags |= S_APPEND;
+ else
+ inode->i_flags &= ~S_APPEND;
+ if (ip->i_d.di_flags & XFS_DIFLAG_SYNC)
+ inode->i_flags |= S_SYNC;
+ else
+ inode->i_flags &= ~S_SYNC;
+ if (ip->i_d.di_flags & XFS_DIFLAG_NOATIME)
+ inode->i_flags |= S_NOATIME;
+ else
+ inode->i_flags &= ~S_NOATIME;
+}
+
+/*
+ * Initialize the Linux inode, set up the operation vectors and
+ * unlock the inode.
+ *
+ * When reading existing inodes from disk this is called directly
+ * from xfs_iget, when creating a new inode it is called from
+ * xfs_ialloc after setting up the inode.
+ */
+void
+xfs_setup_inode(
+ struct xfs_inode *ip)
+{
+ struct inode *inode = ip->i_vnode;
+
+ inode->i_mode = ip->i_d.di_mode;
+ inode->i_nlink = ip->i_d.di_nlink;
+ inode->i_uid = ip->i_d.di_uid;
+ inode->i_gid = ip->i_d.di_gid;
+
+ switch (inode->i_mode & S_IFMT) {
+ case S_IFBLK:
+ case S_IFCHR:
+ inode->i_rdev =
+ MKDEV(sysv_major(ip->i_df.if_u2.if_rdev) & 0x1ff,
+ sysv_minor(ip->i_df.if_u2.if_rdev));
+ break;
+ default:
+ inode->i_rdev = 0;
+ break;
+ }
+
+ inode->i_generation = ip->i_d.di_gen;
+ i_size_write(inode, ip->i_d.di_size);
+ inode->i_atime.tv_sec = ip->i_d.di_atime.t_sec;
+ inode->i_atime.tv_nsec = ip->i_d.di_atime.t_nsec;
+ inode->i_mtime.tv_sec = ip->i_d.di_mtime.t_sec;
+ inode->i_mtime.tv_nsec = ip->i_d.di_mtime.t_nsec;
+ inode->i_ctime.tv_sec = ip->i_d.di_ctime.t_sec;
+ inode->i_ctime.tv_nsec = ip->i_d.di_ctime.t_nsec;
+ xfs_diflags_to_iflags(inode, ip);
+ xfs_iflags_clear(ip, XFS_IMODIFIED);
+
+ switch (inode->i_mode & S_IFMT) {
+ case S_IFREG:
+ inode->i_op = &xfs_inode_operations;
+ inode->i_fop = &xfs_file_operations;
+ inode->i_mapping->a_ops = &xfs_address_space_operations;
+ break;
+ case S_IFDIR:
+ if (xfs_sb_version_hasasciici(&XFS_M(inode->i_sb)->m_sb))
+ inode->i_op = &xfs_dir_ci_inode_operations;
+ else
+ inode->i_op = &xfs_dir_inode_operations;
+ inode->i_fop = &xfs_dir_file_operations;
+ break;
+ case S_IFLNK:
+ inode->i_op = &xfs_symlink_inode_operations;
+ if (!(ip->i_df.if_flags & XFS_IFINLINE))
+ inode->i_mapping->a_ops = &xfs_address_space_operations;
+ break;
+ default:
+ inode->i_op = &xfs_inode_operations;
+ init_special_inode(inode, inode->i_mode, inode->i_rdev);
+ break;
+ }
+
+ xfs_iflags_clear(ip, XFS_INEW);
+ barrier();
+
+ unlock_new_inode(inode);
+}
Index: linux-2.6-xfs/fs/xfs/linux-2.6/xfs_iops.h
===================================================================
--- linux-2.6-xfs.orig/fs/xfs/linux-2.6/xfs_iops.h 2008-07-29
00:48:36.000000000 +0200
+++ linux-2.6-xfs/fs/xfs/linux-2.6/xfs_iops.h 2008-07-29 00:51:19.000000000
+0200
@@ -18,10 +18,7 @@
#ifndef __XFS_IOPS_H__
#define __XFS_IOPS_H__
-extern const struct inode_operations xfs_inode_operations;
-extern const struct inode_operations xfs_dir_inode_operations;
-extern const struct inode_operations xfs_dir_ci_inode_operations;
-extern const struct inode_operations xfs_symlink_inode_operations;
+struct xfs_inode;
extern const struct file_operations xfs_file_operations;
extern const struct file_operations xfs_dir_file_operations;
@@ -29,8 +26,9 @@ extern const struct file_operations xfs_
extern ssize_t xfs_vn_listxattr(struct dentry *, char *data, size_t size);
-struct xfs_inode;
extern void xfs_ichgtime(struct xfs_inode *, int);
extern void xfs_ichgtime_fast(struct xfs_inode *, struct inode *, int);
+extern void xfs_setup_inode(struct xfs_inode *);
+
#endif /* __XFS_IOPS_H__ */
Index: linux-2.6-xfs/fs/xfs/linux-2.6/xfs_ksyms.c
===================================================================
--- linux-2.6-xfs.orig/fs/xfs/linux-2.6/xfs_ksyms.c 2008-07-29
00:48:36.000000000 +0200
+++ linux-2.6-xfs/fs/xfs/linux-2.6/xfs_ksyms.c 2008-07-29 00:51:19.000000000
+0200
@@ -155,12 +155,9 @@ EXPORT_SYMBOL(kmem_zone_free);
EXPORT_SYMBOL(kmem_zone_init);
EXPORT_SYMBOL(kmem_zone_zalloc);
EXPORT_SYMBOL(xfs_address_space_operations);
-EXPORT_SYMBOL(xfs_dir_inode_operations);
EXPORT_SYMBOL(xfs_dir_file_operations);
-EXPORT_SYMBOL(xfs_inode_operations);
EXPORT_SYMBOL(xfs_file_operations);
EXPORT_SYMBOL(xfs_invis_file_operations);
-EXPORT_SYMBOL(xfs_symlink_inode_operations);
EXPORT_SYMBOL(xfs_buf_delwri_dequeue);
EXPORT_SYMBOL(_xfs_buf_find);
EXPORT_SYMBOL(xfs_buf_iostart);
Index: linux-2.6-xfs/fs/xfs/linux-2.6/xfs_super.h
===================================================================
--- linux-2.6-xfs.orig/fs/xfs/linux-2.6/xfs_super.h 2008-07-29
00:50:55.000000000 +0200
+++ linux-2.6-xfs/fs/xfs/linux-2.6/xfs_super.h 2008-07-29 00:51:35.000000000
+0200
@@ -72,9 +72,6 @@ struct block_device;
extern __uint64_t xfs_max_file_offset(unsigned int);
-extern void xfs_initialize_vnode(struct xfs_mount *mp, struct inode *vp,
- struct xfs_inode *ip);
-
extern void xfs_flush_inode(struct xfs_inode *);
extern void xfs_flush_device(struct xfs_inode *);
Index: linux-2.6-xfs/fs/xfs/xfs_iget.c
===================================================================
--- linux-2.6-xfs.orig/fs/xfs/xfs_iget.c 2008-07-29 00:48:36.000000000
+0200
+++ linux-2.6-xfs/fs/xfs/xfs_iget.c 2008-07-29 00:51:19.000000000 +0200
@@ -288,10 +288,17 @@ finish_inode:
*ipp = ip;
/*
+ * Set up the Linux with the Linux inode.
+ */
+ ip->i_vnode = inode;
+ inode->i_private = ip;
+
+ /*
* If we have a real type for an on-disk inode, we can set ops(&unlock)
* now. If it's a new inode being created, xfs_ialloc will handle it.
*/
- xfs_initialize_vnode(mp, inode, ip);
+ if (ip->i_d.di_mode != 0)
+ xfs_setup_inode(ip);
return 0;
}
Index: linux-2.6-xfs/fs/xfs/xfs_inode.c
===================================================================
--- linux-2.6-xfs.orig/fs/xfs/xfs_inode.c 2008-07-29 00:50:55.000000000
+0200
+++ linux-2.6-xfs/fs/xfs/xfs_inode.c 2008-07-29 00:54:42.000000000 +0200
@@ -1046,7 +1046,6 @@ xfs_ialloc(
{
xfs_ino_t ino;
xfs_inode_t *ip;
- struct inode *vp;
uint flags;
int error;
@@ -1077,7 +1076,6 @@ xfs_ialloc(
}
ASSERT(ip != NULL);
- vp = VFS_I(ip);
ip->i_d.di_mode = (__uint16_t)mode;
ip->i_d.di_onlink = 0;
ip->i_d.di_nlink = nlink;
@@ -1220,7 +1218,7 @@ xfs_ialloc(
xfs_trans_log_inode(tp, ip, flags);
/* now that we have an i_mode we can setup inode ops and unlock */
- xfs_initialize_vnode(tp->t_mountp, vp, ip);
+ xfs_setup_inode(ip);
*ipp = ip;
return 0;
Index: linux-2.6-xfs/fs/xfs/linux-2.6/xfs_super.c
===================================================================
--- linux-2.6-xfs.orig/fs/xfs/linux-2.6/xfs_super.c 2008-07-29
00:50:55.000000000 +0200
+++ linux-2.6-xfs/fs/xfs/linux-2.6/xfs_super.c 2008-07-29 00:51:19.000000000
+0200
@@ -581,116 +581,6 @@ xfs_max_file_offset(
return (((__uint64_t)pagefactor) << bitshift) - 1;
}
-STATIC_INLINE void
-xfs_set_inodeops(
- struct inode *inode)
-{
- switch (inode->i_mode & S_IFMT) {
- case S_IFREG:
- inode->i_op = &xfs_inode_operations;
- inode->i_fop = &xfs_file_operations;
- inode->i_mapping->a_ops = &xfs_address_space_operations;
- break;
- case S_IFDIR:
- if (xfs_sb_version_hasasciici(&XFS_M(inode->i_sb)->m_sb))
- inode->i_op = &xfs_dir_ci_inode_operations;
- else
- inode->i_op = &xfs_dir_inode_operations;
- inode->i_fop = &xfs_dir_file_operations;
- break;
- case S_IFLNK:
- inode->i_op = &xfs_symlink_inode_operations;
- if (!(XFS_I(inode)->i_df.if_flags & XFS_IFINLINE))
- inode->i_mapping->a_ops = &xfs_address_space_operations;
- break;
- default:
- inode->i_op = &xfs_inode_operations;
- init_special_inode(inode, inode->i_mode, inode->i_rdev);
- break;
- }
-}
-
-STATIC_INLINE void
-xfs_revalidate_inode(
- xfs_mount_t *mp,
- struct inode *inode,
- xfs_inode_t *ip)
-{
-
- inode->i_mode = ip->i_d.di_mode;
- inode->i_nlink = ip->i_d.di_nlink;
- inode->i_uid = ip->i_d.di_uid;
- inode->i_gid = ip->i_d.di_gid;
-
- switch (inode->i_mode & S_IFMT) {
- case S_IFBLK:
- case S_IFCHR:
- inode->i_rdev =
- MKDEV(sysv_major(ip->i_df.if_u2.if_rdev) & 0x1ff,
- sysv_minor(ip->i_df.if_u2.if_rdev));
- break;
- default:
- inode->i_rdev = 0;
- break;
- }
-
- inode->i_generation = ip->i_d.di_gen;
- i_size_write(inode, ip->i_d.di_size);
- inode->i_atime.tv_sec = ip->i_d.di_atime.t_sec;
- inode->i_atime.tv_nsec = ip->i_d.di_atime.t_nsec;
- inode->i_mtime.tv_sec = ip->i_d.di_mtime.t_sec;
- inode->i_mtime.tv_nsec = ip->i_d.di_mtime.t_nsec;
- inode->i_ctime.tv_sec = ip->i_d.di_ctime.t_sec;
- inode->i_ctime.tv_nsec = ip->i_d.di_ctime.t_nsec;
- if (ip->i_d.di_flags & XFS_DIFLAG_IMMUTABLE)
- inode->i_flags |= S_IMMUTABLE;
- else
- inode->i_flags &= ~S_IMMUTABLE;
- if (ip->i_d.di_flags & XFS_DIFLAG_APPEND)
- inode->i_flags |= S_APPEND;
- else
- inode->i_flags &= ~S_APPEND;
- if (ip->i_d.di_flags & XFS_DIFLAG_SYNC)
- inode->i_flags |= S_SYNC;
- else
- inode->i_flags &= ~S_SYNC;
- if (ip->i_d.di_flags & XFS_DIFLAG_NOATIME)
- inode->i_flags |= S_NOATIME;
- else
- inode->i_flags &= ~S_NOATIME;
- xfs_iflags_clear(ip, XFS_IMODIFIED);
-}
-
-void
-xfs_initialize_vnode(
- struct xfs_mount *mp,
- struct inode *inode,
- struct xfs_inode *ip)
-{
-
- if (!ip->i_vnode) {
- ip->i_vnode = inode;
- inode->i_private = ip;
- }
-
- /*
- * We need to set the ops vectors, and unlock the inode, but if
- * we have been called during the new inode create process, it is
- * too early to fill in the Linux inode. We will get called a
- * second time once the inode is properly set up, and then we can
- * finish our work.
- */
- if (ip->i_d.di_mode != 0 && (inode->i_state & I_NEW)) {
- xfs_revalidate_inode(mp, inode, ip);
- xfs_set_inodeops(inode);
-
- xfs_iflags_clear(ip, XFS_INEW);
- barrier();
-
- unlock_new_inode(inode);
- }
-}
-
int
xfs_blkdev_get(
xfs_mount_t *mp,
|