1 files changed, 112 insertions, 29 deletions

diff --git a/fs/gfs2/inode.h b/fs/gfs2/inode.h
index b57f448b15b..ba4d9492d42 100644
--- a/fs/gfs2/inode.h
+++ b/fs/gfs2/inode.h
@@ -10,49 +10,132 @@
 #ifndef __INODE_DOT_H__
 #define __INODE_DOT_H__
 
-static inline int gfs2_is_stuffed(struct gfs2_inode *ip)
+#include <linux/fs.h>
+#include <linux/buffer_head.h>
+#include <linux/mm.h>
+#include "util.h"
+
+extern int gfs2_releasepage(struct page *page, gfp_t gfp_mask);
+extern int gfs2_internal_read(struct gfs2_inode *ip,
+			      char *buf, loff_t *pos, unsigned size);
+extern void gfs2_set_aops(struct inode *inode);
+
+static inline int gfs2_is_stuffed(const struct gfs2_inode *ip)
+{
+	return !ip->i_height;
+}
+
+static inline int gfs2_is_jdata(const struct gfs2_inode *ip)
 {
-	return !ip->i_di.di_height;
+	return ip->i_diskflags & GFS2_DIF_JDATA;
 }
 
-static inline int gfs2_is_jdata(struct gfs2_inode *ip)
+static inline int gfs2_is_writeback(const struct gfs2_inode *ip)
 {
-	return ip->i_di.di_flags & GFS2_DIF_JDATA;
+	const struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
+	return (sdp->sd_args.ar_data == GFS2_DATA_WRITEBACK) && !gfs2_is_jdata(ip);
 }
 
-static inline int gfs2_is_dir(struct gfs2_inode *ip)
+static inline int gfs2_is_ordered(const struct gfs2_inode *ip)
+{
+	const struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
+	return (sdp->sd_args.ar_data == GFS2_DATA_ORDERED) && !gfs2_is_jdata(ip);
+}
+
+static inline int gfs2_is_dir(const struct gfs2_inode *ip)
 {
 	return S_ISDIR(ip->i_inode.i_mode);
 }
 
-static inline void gfs2_set_inode_blocks(struct inode *inode)
+static inline void gfs2_set_inode_blocks(struct inode *inode, u64 blocks)
 {
-	struct gfs2_inode *ip = GFS2_I(inode);
-	inode->i_blocks = ip->i_di.di_blocks <<
+	inode->i_blocks = blocks <<
 		(GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT);
 }
 
-void gfs2_inode_attr_in(struct gfs2_inode *ip);
-struct inode *gfs2_inode_lookup(struct super_block *sb, struct gfs2_inum_host *inum, unsigned type);
-struct inode *gfs2_ilookup(struct super_block *sb, struct gfs2_inum_host *inum);
-
-int gfs2_inode_refresh(struct gfs2_inode *ip);
-
-int gfs2_dinode_dealloc(struct gfs2_inode *inode);
-int gfs2_change_nlink(struct gfs2_inode *ip, int diff);
-struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name,
-			   int is_root, struct nameidata *nd);
-struct inode *gfs2_createi(struct gfs2_holder *ghs, const struct qstr *name,
-			   unsigned int mode, dev_t dev);
-int gfs2_rmdiri(struct gfs2_inode *dip, const struct qstr *name,
-		struct gfs2_inode *ip);
-int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name,
-		   struct gfs2_inode *ip);
-int gfs2_ok_to_move(struct gfs2_inode *this, struct gfs2_inode *to);
-int gfs2_readlinki(struct gfs2_inode *ip, char **buf, unsigned int *len);
-int gfs2_glock_nq_atime(struct gfs2_holder *gh);
-int gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr);
-struct inode *gfs2_lookup_simple(struct inode *dip, const char *name);
+static inline u64 gfs2_get_inode_blocks(const struct inode *inode)
+{
+	return inode->i_blocks >>
+		(GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT);
+}
+
+static inline void gfs2_add_inode_blocks(struct inode *inode, s64 change)
+{
+	gfs2_assert(GFS2_SB(inode), (change >= 0 || inode->i_blocks > -change));
+	change *= (GFS2_SB(inode)->sd_sb.sb_bsize/GFS2_BASIC_BLOCK);
+	inode->i_blocks += change;
+}
+
+static inline int gfs2_check_inum(const struct gfs2_inode *ip, u64 no_addr,
+				  u64 no_formal_ino)
+{
+	return ip->i_no_addr == no_addr && ip->i_no_formal_ino == no_formal_ino;
+}
+
+static inline void gfs2_inum_out(const struct gfs2_inode *ip,
+				 struct gfs2_dirent *dent)
+{
+	dent->de_inum.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino);
+	dent->de_inum.no_addr = cpu_to_be64(ip->i_no_addr);
+}
+
+static inline int gfs2_check_internal_file_size(struct inode *inode,
+						u64 minsize, u64 maxsize)
+{
+	u64 size = i_size_read(inode);
+	if (size < minsize || size > maxsize)
+		goto err;
+	if (size & ((1 << inode->i_blkbits) - 1))
+		goto err;
+	return 0;
+err:
+	gfs2_consist_inode(GFS2_I(inode));
+	return -EIO;
+}
+
+extern struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned type, 
+				       u64 no_addr, u64 no_formal_ino,
+				       int non_block);
+extern struct inode *gfs2_lookup_by_inum(struct gfs2_sbd *sdp, u64 no_addr,
+					 u64 *no_formal_ino,
+					 unsigned int blktype);
+extern struct inode *gfs2_ilookup(struct super_block *sb, u64 no_addr, int nonblock);
+
+extern int gfs2_inode_refresh(struct gfs2_inode *ip);
+
+extern struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name,
+				  int is_root);
+extern int gfs2_permission(struct inode *inode, int mask);
+extern int gfs2_setattr_simple(struct inode *inode, struct iattr *attr);
+extern struct inode *gfs2_lookup_simple(struct inode *dip, const char *name);
+extern void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf);
+extern int gfs2_open_common(struct inode *inode, struct file *file);
+
+extern const struct inode_operations gfs2_file_iops;
+extern const struct inode_operations gfs2_dir_iops;
+extern const struct inode_operations gfs2_symlink_iops;
+extern const struct file_operations gfs2_file_fops_nolock;
+extern const struct file_operations gfs2_dir_fops_nolock;
+
+extern void gfs2_set_inode_flags(struct inode *inode);
+ 
+#ifdef CONFIG_GFS2_FS_LOCKING_DLM
+extern const struct file_operations gfs2_file_fops;
+extern const struct file_operations gfs2_dir_fops;
+
+static inline int gfs2_localflocks(const struct gfs2_sbd *sdp)
+{
+	return sdp->sd_args.ar_localflocks;
+}
+#else /* Single node only */
+#define gfs2_file_fops gfs2_file_fops_nolock
+#define gfs2_dir_fops gfs2_dir_fops_nolock
+
+static inline int gfs2_localflocks(const struct gfs2_sbd *sdp)
+{
+	return 1;
+}
+#endif /* CONFIG_GFS2_FS_LOCKING_DLM */
 
 #endif /* __INODE_DOT_H__ */