1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 #ifndef __LVFS_LINUX_H__
5 #define __LVFS_LINUX_H__
7 #include <linux/kernel.h>
8 #include <linux/module.h>
10 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
11 #include <linux/namei.h>
13 #include <linux/sched.h>
18 #define l_dentry dentry
21 #define l_filp_open filp_open
24 struct l_file *l_dentry_open(struct lvfs_run_ctxt *, struct l_dentry *,
27 struct l_linux_dirent {
28 struct list_head lld_list;
30 unsigned long lld_off;
31 char lld_name[LL_FID_NAMELEN];
33 struct l_readdir_callback {
34 struct l_linux_dirent *lrc_dirent;
35 struct list_head *lrc_list;
38 #define LVFS_DENTRY_PARAM_MAGIC 20070216UL
39 struct lvfs_dentry_params
41 unsigned long ldp_inum;
45 #define LVFS_DENTRY_PARAMS_INIT { .ldp_magic = LVFS_DENTRY_PARAM_MAGIC }
47 # if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
48 # define BDEVNAME_DECLARE_STORAGE(foo) char foo[BDEVNAME_SIZE]
49 # define ll_bdevname(SB, STORAGE) __bdevname(kdev_t_to_nr(SB->s_dev), STORAGE)
50 # define lvfs_sbdev(SB) ((SB)->s_bdev)
51 # define lvfs_sbdev_type struct block_device *
52 int fsync_bdev(struct block_device *);
53 # define lvfs_sbdev_sync fsync_bdev
55 # define BDEVNAME_DECLARE_STORAGE(foo) char __unused_##foo
56 # define ll_bdevname(SB,STORAGE) ((void)__unused_##STORAGE,bdevname(lvfs_sbdev(SB)))
57 # define lvfs_sbdev(SB) (kdev_t_to_nr((SB)->s_dev))
58 # define lvfs_sbdev_type kdev_t
59 # define lvfs_sbdev_sync fsync_dev
62 /* Instead of calling within lvfs (a layering violation) */
63 #define lvfs_set_rdonly(obd, sb) \
64 __lvfs_set_rdonly(lvfs_sbdev(sb), fsfilt_journal_sbdev(obd, sb))
66 void __lvfs_set_rdonly(lvfs_sbdev_type dev, lvfs_sbdev_type jdev);
68 int lvfs_check_rdonly(lvfs_sbdev_type dev);
69 void lvfs_clear_rdonly(lvfs_sbdev_type dev);
71 #endif /* __LVFS_LINUX_H__ */