aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/staging/lustre/lustre/llite/llite_mmap.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/lustre/lustre/llite/llite_mmap.c')
-rw-r--r--drivers/staging/lustre/lustre/llite/llite_mmap.c48
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