lli->lli_inode_magic = LLI_INODE_MAGIC;
cfs_sema_init(&lli->lli_size_sem, 1);
cfs_sema_init(&lli->lli_write_sem, 1);
- cfs_sema_init(&lli->lli_trunc_sem, 1);
+ cfs_init_rwsem(&lli->lli_trunc_sem);
lli->lli_flags = 0;
lli->lli_maxbytes = PAGE_CACHE_MAXBYTES;
cfs_spin_lock_init(&lli->lli_lock);
cfs_sema_init(&lli->lli_rmtperm_sem, 1);
CFS_INIT_LIST_HEAD(&lli->lli_oss_capas);
cfs_spin_lock_init(&lli->lli_sa_lock);
- CFS_INIT_LIST_HEAD(&lli->lli_sa_dentry);
}
+#ifdef HAVE_NEW_BACKING_DEV_INFO
+static atomic_t ll_bdi_num = ATOMIC_INIT(0);
+#endif
+
int ll_fill_super(struct super_block *sb)
{
struct lustre_profile *lprof;
if (err)
GOTO(out_free, err);
+ err = ll_bdi_init(&lsi->bdi);
+ if (err)
+ GOTO(out_free, err);
+
+#ifdef HAVE_NEW_BACKING_DEV_INFO
+ lsi->bdi.name = "lustre";
+ lsi->bdi.capabilities = BDI_CAP_MAP_COPY;
+ err = bdi_register(&lsi->bdi, NULL, "lustre-%d",
+ atomic_inc_return(&ll_bdi_num));
+ sb->s_bdi = &lsi->bdi;
+#endif
+
/* Generate a string unique to this super, in case some joker tries
to mount the same fs at two mount points.
Use the address of the super itself.*/
if (profilenm)
class_del_profile(profilenm);
+ if (ll_bdi_wb_cnt(lsi->bdi) > 0)
+ ll_bdi_destroy(&lsi->bdi);
+
ll_free_sbi(sb);
lsi->lsi_llsbi = NULL;
UNLOCK_INODE_MUTEX(inode);
if (ia_valid & ATTR_SIZE)
UP_WRITE_I_ALLOC_SEM(inode);
- cfs_down(&lli->lli_trunc_sem);
+ cfs_down_write(&lli->lli_trunc_sem);
LOCK_INODE_MUTEX(inode);
if (ia_valid & ATTR_SIZE)
DOWN_WRITE_I_ALLOC_SEM(inode);
rc1 = ll_setattr_done_writing(inode, op_data, mod);
ll_finish_md_op_data(op_data);
}
- cfs_up(&lli->lli_trunc_sem);
+ cfs_up_write(&lli->lli_trunc_sem);
return rc ? rc : rc1;
}
}
}
-static struct backing_dev_info ll_backing_dev_info = {
- .ra_pages = 0, /* No readahead */
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,12))
- .capabilities = 0, /* Does contribute to dirty memory */
-#else
- .memory_backed = 0, /* Does contribute to dirty memory */
-#endif
-};
-
void ll_read_inode2(struct inode *inode, void *opaque)
{
struct lustre_md *md = opaque;
/* OIDEBUG(inode); */
+ /* initializing backing dev info. */
+ inode->i_mapping->backing_dev_info = &(s2lsi(inode->i_sb)->bdi);
+
+
if (S_ISREG(inode->i_mode)) {
struct ll_sb_info *sbi = ll_i2sbi(inode);
inode->i_op = &ll_file_inode_operations;
init_special_inode(inode, inode->i_mode,
kdev_t_to_nr(inode->i_rdev));
- /* initializing backing dev info. */
- inode->i_mapping->backing_dev_info = &ll_backing_dev_info;
-
EXIT;
}
}