/*
* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
- * Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License v.2.
+ * of the GNU General Public License version 2.
*/
#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,
+ struct file_ra_state *ra_state,
+ 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_di.di_height;
+ return !ip->i_height;
}
-static inline int gfs2_is_jdata(struct gfs2_inode *ip)
+static inline int gfs2_is_jdata(const struct gfs2_inode *ip)
{
- return ip->i_di.di_flags & GFS2_DIF_JDATA;
+ return ip->i_diskflags & GFS2_DIF_JDATA;
}
-static inline int gfs2_is_dir(struct gfs2_inode *ip)
+static inline int gfs2_is_writeback(const struct gfs2_inode *ip)
{
- return S_ISDIR(ip->i_di.di_mode);
+ const struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
+ return (sdp->sd_args.ar_data == GFS2_DATA_WRITEBACK) && !gfs2_is_jdata(ip);
}
-void gfs2_inode_attr_in(struct gfs2_inode *ip);
-void gfs2_inode_attr_out(struct gfs2_inode *ip);
-struct inode *gfs2_ip2v_lookup(struct gfs2_inode *ip);
-struct inode *gfs2_ip2v(struct gfs2_inode *ip);
-struct inode *gfs2_iget(struct super_block *sb, struct gfs2_inum *inum);
+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);
+}
-void gfs2_inode_min_init(struct gfs2_inode *ip, unsigned int type);
-int gfs2_inode_refresh(struct gfs2_inode *ip);
+static inline int gfs2_is_dir(const struct gfs2_inode *ip)
+{
+ return S_ISDIR(ip->i_inode.i_mode);
+}
-int gfs2_inode_get(struct gfs2_glock *i_gl,
- struct gfs2_inum *inum, int create,
- struct gfs2_inode **ipp);
-void gfs2_inode_hold(struct gfs2_inode *ip);
-void gfs2_inode_put(struct gfs2_inode *ip);
-void gfs2_inode_destroy(struct gfs2_inode *ip);
+static inline void gfs2_set_inode_blocks(struct inode *inode, u64 blocks)
+{
+ inode->i_blocks = blocks <<
+ (GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT);
+}
-int gfs2_inode_dealloc(struct gfs2_sbd *sdp, struct gfs2_unlinked *ul);
+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);
+}
-int gfs2_change_nlink(struct gfs2_inode *ip, int diff);
-int gfs2_lookupi(struct gfs2_inode *dip, struct qstr *name, int is_root,
- struct gfs2_inode **ipp);
-int gfs2_createi(struct gfs2_holder *ghs, struct qstr *name, unsigned int mode);
-int gfs2_unlinki(struct gfs2_inode *dip, struct qstr *name,
- struct gfs2_inode *ip, struct gfs2_unlinked *ul);
-int gfs2_rmdiri(struct gfs2_inode *dip, struct qstr *name,
- struct gfs2_inode *ip, struct gfs2_unlinked *ul);
-int gfs2_unlink_ok(struct gfs2_inode *dip, 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);
+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;
+}
-int gfs2_glock_nq_atime(struct gfs2_holder *gh);
-int gfs2_glock_nq_m_atime(unsigned int num_gh, struct gfs2_holder *ghs);
+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;
+}
-void gfs2_try_toss_vnode(struct gfs2_inode *ip);
+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);
+}
-int gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr);
-int gfs2_repermission(struct inode *inode, int mask, struct nameidata *nd);
+extern void gfs2_set_iop(struct inode *inode);
+extern struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned type,
+ u64 no_addr, u64 no_formal_ino);
+extern void gfs2_process_unlinked_inode(struct super_block *sb, u64 no_addr);
+extern struct inode *gfs2_ilookup(struct super_block *sb, u64 no_addr);
+
+extern int gfs2_inode_refresh(struct gfs2_inode *ip);
+
+extern int gfs2_dinode_dealloc(struct gfs2_inode *inode);
+extern int gfs2_change_nlink(struct gfs2_inode *ip, int diff);
+extern struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name,
+ int is_root);
+extern struct inode *gfs2_createi(struct gfs2_holder *ghs,
+ const struct qstr *name,
+ unsigned int mode, dev_t dev);
+extern int gfs2_permission(struct inode *inode, int mask);
+extern int gfs2_setattr_simple(struct gfs2_inode *ip, 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 void gfs2_dinode_print(const struct gfs2_inode *ip);
+
+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_lookup_simple(struct inode *dip, char *name,
- struct inode **ipp)
+static inline int gfs2_localflocks(const struct gfs2_sbd *sdp)
{
- struct gfs2_inode *ip;
- struct qstr qstr;
- int err;
- memset(&qstr, 0, sizeof(struct qstr));
- qstr.name = name;
- qstr.len = strlen(name);
- err = gfs2_lookupi(get_v2ip(dip), &qstr, 1, &ip);
- if (err == 0) {
- *ipp = gfs2_ip2v(ip);
- gfs2_inode_put(ip);
- if (*ipp == NULL)
- err = -ENOMEM;
- }
- return err;
+ return 1;
}
+#endif /* CONFIG_GFS2_FS_LOCKING_DLM */
#endif /* __INODE_DOT_H__ */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff