diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/llite/llite_mmap.c')
-rw-r--r-- | drivers/staging/lustre/lustre/llite/llite_mmap.c | 48 |
1 files changed, 27 insertions, 21 deletions
diff --git a/drivers/staging/lustre/lustre/llite/llite_mmap.c b/drivers/staging/lustre/lustre/llite/llite_mmap.c index 5b484e62ffd0..88ef1cac9e0f 100644 --- a/drivers/staging/lustre/lustre/llite/llite_mmap.c +++ b/drivers/staging/lustre/lustre/llite/llite_mmap.c @@ -57,10 +57,10 @@ void policy_from_vma(ldlm_policy_data_t *policy, struct vm_area_struct *vma, unsigned long addr, size_t count) { - policy->l_extent.start = ((addr - vma->vm_start) & CFS_PAGE_MASK) + + policy->l_extent.start = ((addr - vma->vm_start) & PAGE_MASK) + (vma->vm_pgoff << PAGE_SHIFT); policy->l_extent.end = (policy->l_extent.start + count - 1) | - ~CFS_PAGE_MASK; + ~PAGE_MASK; } struct vm_area_struct *our_vma(struct mm_struct *mm, unsigned long addr, @@ -123,7 +123,8 @@ ll_fault_io_init(struct vm_area_struct *vma, struct lu_env **env_ret, *env_ret = env; - io = ccc_env_thread_io(env); +restart: + io = vvp_env_thread_io(env); io->ci_obj = ll_i2info(inode)->lli_clob; LASSERT(io->ci_obj); @@ -146,17 +147,20 @@ ll_fault_io_init(struct vm_area_struct *vma, struct lu_env **env_ret, rc = cl_io_init(env, io, CIT_FAULT, io->ci_obj); if (rc == 0) { - struct ccc_io *cio = ccc_env_io(env); + struct vvp_io *vio = vvp_env_io(env); struct ll_file_data *fd = LUSTRE_FPRIVATE(file); - LASSERT(cio->cui_cl.cis_io == io); + LASSERT(vio->vui_cl.cis_io == io); /* mmap lock must be MANDATORY it has to cache pages. */ io->ci_lockreq = CILR_MANDATORY; - cio->cui_fd = fd; + vio->vui_fd = fd; } else { LASSERT(rc < 0); cl_io_fini(env, io); + if (io->ci_need_restart) + goto restart; + cl_env_nested_put(nest, env); io = ERR_PTR(rc); } @@ -200,7 +204,7 @@ static int ll_page_mkwrite0(struct vm_area_struct *vma, struct page *vmpage, * Otherwise, we could add dirty pages into osc cache * while truncate is on-going. */ - inode = ccc_object_inode(io->ci_obj); + inode = vvp_object_inode(io->ci_obj); lli = ll_i2info(inode); down_read(&lli->lli_trunc_sem); @@ -307,17 +311,17 @@ static int ll_fault0(struct vm_area_struct *vma, struct vm_fault *vmf) vio = vvp_env_io(env); vio->u.fault.ft_vma = vma; vio->u.fault.ft_vmpage = NULL; - vio->u.fault.fault.ft_vmf = vmf; - vio->u.fault.fault.ft_flags = 0; - vio->u.fault.fault.ft_flags_valid = false; + vio->u.fault.ft_vmf = vmf; + vio->u.fault.ft_flags = 0; + vio->u.fault.ft_flags_valid = false; result = cl_io_loop(env, io); /* ft_flags are only valid if we reached * the call to filemap_fault */ - if (vio->u.fault.fault.ft_flags_valid) - fault_ret = vio->u.fault.fault.ft_flags; + if (vio->u.fault.ft_flags_valid) + fault_ret = vio->u.fault.ft_flags; vmpage = vio->u.fault.ft_vmpage; if (result != 0 && vmpage) { @@ -390,9 +394,11 @@ static int ll_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) result = ll_page_mkwrite0(vma, vmf->page, &retry); if (!printed && ++count > 16) { - CWARN("app(%s): the page %lu of file %lu is under heavy contention.\n", + const struct dentry *de = vma->vm_file->f_path.dentry; + + CWARN("app(%s): the page %lu of file "DFID" is under heavy contention\n", current->comm, vmf->pgoff, - file_inode(vma->vm_file)->i_ino); + PFID(ll_inode2fid(de->d_inode))); printed = true; } } while (retry); @@ -422,16 +428,16 @@ static int ll_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) /** * To avoid cancel the locks covering mmapped region for lock cache pressure, - * we track the mapped vma count in ccc_object::cob_mmap_cnt. + * we track the mapped vma count in vvp_object::vob_mmap_cnt. */ static void ll_vm_open(struct vm_area_struct *vma) { struct inode *inode = file_inode(vma->vm_file); - struct ccc_object *vob = cl_inode2ccc(inode); + struct vvp_object *vob = cl_inode2vvp(inode); LASSERT(vma->vm_file); - LASSERT(atomic_read(&vob->cob_mmap_cnt) >= 0); - atomic_inc(&vob->cob_mmap_cnt); + LASSERT(atomic_read(&vob->vob_mmap_cnt) >= 0); + atomic_inc(&vob->vob_mmap_cnt); } /** @@ -440,11 +446,11 @@ static void ll_vm_open(struct vm_area_struct *vma) static void ll_vm_close(struct vm_area_struct *vma) { struct inode *inode = file_inode(vma->vm_file); - struct ccc_object *vob = cl_inode2ccc(inode); + struct vvp_object *vob = cl_inode2vvp(inode); LASSERT(vma->vm_file); - atomic_dec(&vob->cob_mmap_cnt); - LASSERT(atomic_read(&vob->cob_mmap_cnt) >= 0); + atomic_dec(&vob->vob_mmap_cnt); + LASSERT(atomic_read(&vob->vob_mmap_cnt) >= 0); } /* XXX put nice comment here. talk about __free_pte -> dirty pages and |