[PATCH 26/43] staging/lustre/llite: rename ccc_object to vvp_object

From: green
Date: Wed Mar 30 2016 - 12:56:28 EST

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From: "John L. Hammond" <john.hammond@xxxxxxxxx>

Rename struct ccc_object to struct vvp_object and merge the CCC object
methods into the VVP object methods.

Signed-off-by: John L. Hammond <john.hammond@xxxxxxxxx>
Reviewed-on: http://review.whamcloud.com/13077
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5971
Reviewed-by: James Simmons <uja.ornl@xxxxxxxxx>
Reviewed-by: Dmitry Eremin <dmitry.eremin@xxxxxxxxx>
Signed-off-by: Oleg Drokin <green@xxxxxxxxxxxxxx>
---
drivers/staging/lustre/lustre/include/cl_object.h | 4 +-
drivers/staging/lustre/lustre/llite/glimpse.c | 4 +-
drivers/staging/lustre/lustre/llite/lcommon_cl.c | 166 ++-------------------
drivers/staging/lustre/lustre/llite/llite_close.c | 22 +--
.../staging/lustre/lustre/llite/llite_internal.h | 6 +-
drivers/staging/lustre/lustre/llite/llite_lib.c | 4 +-
drivers/staging/lustre/lustre/llite/llite_mmap.c | 16 +-
drivers/staging/lustre/lustre/llite/rw.c | 4 +-
drivers/staging/lustre/lustre/llite/rw26.c | 6 +-
drivers/staging/lustre/lustre/llite/vvp_dev.c | 10 +-
drivers/staging/lustre/lustre/llite/vvp_internal.h | 61 ++++----
drivers/staging/lustre/lustre/llite/vvp_io.c | 36 ++---
drivers/staging/lustre/lustre/llite/vvp_object.c | 121 +++++++++++++--
drivers/staging/lustre/lustre/llite/vvp_page.c | 40 ++---
.../staging/lustre/lustre/osc/osc_cl_internal.h | 2 +-
15 files changed, 231 insertions(+), 271 deletions(-)

diff --git a/drivers/staging/lustre/lustre/include/cl_object.h b/drivers/staging/lustre/lustre/include/cl_object.h
index f2a242b..d3271ff 100644
--- a/drivers/staging/lustre/lustre/include/cl_object.h
+++ b/drivers/staging/lustre/lustre/include/cl_object.h
@@ -245,7 +245,7 @@ enum cl_attr_valid {
* be discarded from the memory, all its sub-objects are torn-down and
* destroyed too.
*
- * \see ccc_object, lov_object, lovsub_object, osc_object
+ * \see vvp_object, lov_object, lovsub_object, osc_object
*/
struct cl_object {
/** super class */
@@ -385,7 +385,7 @@ struct cl_object_operations {
* object. Layers are supposed to fill parts of \a lvb that will be
* shipped to the glimpse originator as a glimpse result.
*
- * \see ccc_object_glimpse(), lovsub_object_glimpse(),
+ * \see vvp_object_glimpse(), lovsub_object_glimpse(),
* \see osc_object_glimpse()
*/
int (*coo_glimpse)(const struct lu_env *env,
diff --git a/drivers/staging/lustre/lustre/llite/glimpse.c b/drivers/staging/lustre/lustre/llite/glimpse.c
index a634633..d76fa16 100644
--- a/drivers/staging/lustre/lustre/llite/glimpse.c
+++ b/drivers/staging/lustre/lustre/llite/glimpse.c
@@ -69,14 +69,14 @@ static const struct cl_lock_descr whole_file = {
blkcnt_t dirty_cnt(struct inode *inode)
{
blkcnt_t cnt = 0;
- struct ccc_object *vob = cl_inode2ccc(inode);
+ struct vvp_object *vob = cl_inode2vvp(inode);
void *results[1];

if (inode->i_mapping)
cnt += radix_tree_gang_lookup_tag(&inode->i_mapping->page_tree,
results, 0, 1,
PAGECACHE_TAG_DIRTY);
- if (cnt == 0 && atomic_read(&vob->cob_mmap_cnt) > 0)
+ if (cnt == 0 && atomic_read(&vob->vob_mmap_cnt) > 0)
cnt = 1;

return (cnt > 0) ? 1 : 0;
diff --git a/drivers/staging/lustre/lustre/llite/lcommon_cl.c b/drivers/staging/lustre/lustre/llite/lcommon_cl.c
index b0d4a3d..9db0510 100644
--- a/drivers/staging/lustre/lustre/llite/lcommon_cl.c
+++ b/drivers/staging/lustre/lustre/llite/lcommon_cl.c
@@ -68,7 +68,6 @@ static const struct cl_req_operations ccc_req_ops;
*/

static struct kmem_cache *ccc_lock_kmem;
-static struct kmem_cache *ccc_object_kmem;
static struct kmem_cache *ccc_thread_kmem;
static struct kmem_cache *ccc_session_kmem;
static struct kmem_cache *ccc_req_kmem;
@@ -80,11 +79,6 @@ static struct lu_kmem_descr ccc_caches[] = {
.ckd_size = sizeof(struct ccc_lock)
},
{
- .ckd_cache = &ccc_object_kmem,
- .ckd_name = "ccc_object_kmem",
- .ckd_size = sizeof(struct ccc_object)
- },
- {
.ckd_cache = &ccc_thread_kmem,
.ckd_name = "ccc_thread_kmem",
.ckd_size = sizeof(struct ccc_thread_info),
@@ -227,84 +221,6 @@ void ccc_global_fini(struct lu_device_type *device_type)
lu_kmem_fini(ccc_caches);
}

-/*****************************************************************************
- *
- * Object operations.
- *
- */
-
-struct lu_object *ccc_object_alloc(const struct lu_env *env,
- const struct lu_object_header *unused,
- struct lu_device *dev,
- const struct cl_object_operations *clops,
- const struct lu_object_operations *luops)
-{
- struct ccc_object *vob;
- struct lu_object *obj;
-
- vob = kmem_cache_zalloc(ccc_object_kmem, GFP_NOFS);
- if (vob) {
- struct cl_object_header *hdr;
-
- obj = ccc2lu(vob);
- hdr = &vob->cob_header;
- cl_object_header_init(hdr);
- hdr->coh_page_bufsize = cfs_size_round(sizeof(struct cl_page));
-
- lu_object_init(obj, &hdr->coh_lu, dev);
- lu_object_add_top(&hdr->coh_lu, obj);
-
- vob->cob_cl.co_ops = clops;
- obj->lo_ops = luops;
- } else {
- obj = NULL;
- }
- return obj;
-}
-
-int ccc_object_init0(const struct lu_env *env,
- struct ccc_object *vob,
- const struct cl_object_conf *conf)
-{
- vob->cob_inode = conf->coc_inode;
- vob->cob_transient_pages = 0;
- cl_object_page_init(&vob->cob_cl, sizeof(struct ccc_page));
- return 0;
-}
-
-int ccc_object_init(const struct lu_env *env, struct lu_object *obj,
- const struct lu_object_conf *conf)
-{
- struct vvp_device *dev = lu2vvp_dev(obj->lo_dev);
- struct ccc_object *vob = lu2ccc(obj);
- struct lu_object *below;
- struct lu_device *under;
- int result;
-
- under = &dev->vdv_next->cd_lu_dev;
- below = under->ld_ops->ldo_object_alloc(env, obj->lo_header, under);
- if (below) {
- const struct cl_object_conf *cconf;
-
- cconf = lu2cl_conf(conf);
- INIT_LIST_HEAD(&vob->cob_pending_list);
- lu_object_add(obj, below);
- result = ccc_object_init0(env, vob, cconf);
- } else {
- result = -ENOMEM;
- }
- return result;
-}
-
-void ccc_object_free(const struct lu_env *env, struct lu_object *obj)
-{
- struct ccc_object *vob = lu2ccc(obj);
-
- lu_object_fini(obj);
- lu_object_header_fini(obj->lo_header);
- kmem_cache_free(ccc_object_kmem, vob);
-}
-
int ccc_lock_init(const struct lu_env *env,
struct cl_object *obj, struct cl_lock *lock,
const struct cl_io *unused,
@@ -313,7 +229,7 @@ int ccc_lock_init(const struct lu_env *env,
struct ccc_lock *clk;
int result;

- CLOBINVRNT(env, obj, ccc_object_invariant(obj));
+ CLOBINVRNT(env, obj, vvp_object_invariant(obj));

clk = kmem_cache_zalloc(ccc_lock_kmem, GFP_NOFS);
if (clk) {
@@ -325,35 +241,17 @@ int ccc_lock_init(const struct lu_env *env,
return result;
}

-int ccc_object_glimpse(const struct lu_env *env,
- const struct cl_object *obj, struct ost_lvb *lvb)
-{
- struct inode *inode = ccc_object_inode(obj);
-
- lvb->lvb_mtime = LTIME_S(inode->i_mtime);
- lvb->lvb_atime = LTIME_S(inode->i_atime);
- lvb->lvb_ctime = LTIME_S(inode->i_ctime);
- /*
- * LU-417: Add dirty pages block count lest i_blocks reports 0, some
- * "cp" or "tar" on remote node may think it's a completely sparse file
- * and skip it.
- */
- if (lvb->lvb_size > 0 && lvb->lvb_blocks == 0)
- lvb->lvb_blocks = dirty_cnt(inode);
- return 0;
-}
-
-static void ccc_object_size_lock(struct cl_object *obj)
+static void vvp_object_size_lock(struct cl_object *obj)
{
- struct inode *inode = ccc_object_inode(obj);
+ struct inode *inode = vvp_object_inode(obj);

ll_inode_size_lock(inode);
cl_object_attr_lock(obj);
}

-static void ccc_object_size_unlock(struct cl_object *obj)
+static void vvp_object_size_unlock(struct cl_object *obj)
{
- struct inode *inode = ccc_object_inode(obj);
+ struct inode *inode = vvp_object_inode(obj);

cl_object_attr_unlock(obj);
ll_inode_size_unlock(inode);
@@ -399,7 +297,7 @@ int ccc_lock_enqueue(const struct lu_env *env,
const struct cl_lock_slice *slice,
struct cl_io *unused, struct cl_sync_io *anchor)
{
- CLOBINVRNT(env, slice->cls_obj, ccc_object_invariant(slice->cls_obj));
+ CLOBINVRNT(env, slice->cls_obj, vvp_object_invariant(slice->cls_obj));
return 0;
}

@@ -417,7 +315,7 @@ int ccc_io_one_lock_index(const struct lu_env *env, struct cl_io *io,
struct cl_lock_descr *descr = &cio->cui_link.cill_descr;
struct cl_object *obj = io->ci_obj;

- CLOBINVRNT(env, obj, ccc_object_invariant(obj));
+ CLOBINVRNT(env, obj, vvp_object_invariant(obj));

CDEBUG(D_VFSTRACE, "lock: %d [%lu, %lu]\n", mode, start, end);

@@ -462,7 +360,7 @@ int ccc_io_one_lock(const struct lu_env *env, struct cl_io *io,
void ccc_io_end(const struct lu_env *env, const struct cl_io_slice *ios)
{
CLOBINVRNT(env, ios->cis_io->ci_obj,
- ccc_object_invariant(ios->cis_io->ci_obj));
+ vvp_object_invariant(ios->cis_io->ci_obj));
}

void ccc_io_advance(const struct lu_env *env,
@@ -473,7 +371,7 @@ void ccc_io_advance(const struct lu_env *env,
struct cl_io *io = ios->cis_io;
struct cl_object *obj = ios->cis_io->ci_obj;

- CLOBINVRNT(env, obj, ccc_object_invariant(obj));
+ CLOBINVRNT(env, obj, vvp_object_invariant(obj));

if (!cl_is_normalio(env, io))
return;
@@ -496,7 +394,7 @@ int ccc_prep_size(const struct lu_env *env, struct cl_object *obj,
struct cl_io *io, loff_t start, size_t count, int *exceed)
{
struct cl_attr *attr = ccc_env_thread_attr(env);
- struct inode *inode = ccc_object_inode(obj);
+ struct inode *inode = vvp_object_inode(obj);
loff_t pos = start + count - 1;
loff_t kms;
int result;
@@ -520,7 +418,7 @@ int ccc_prep_size(const struct lu_env *env, struct cl_object *obj,
* ll_inode_size_lock(). This guarantees that short reads are handled
* correctly in the face of concurrent writes and truncates.
*/
- ccc_object_size_lock(obj);
+ vvp_object_size_lock(obj);
result = cl_object_attr_get(env, obj, attr);
if (result == 0) {
kms = attr->cat_kms;
@@ -530,7 +428,7 @@ int ccc_prep_size(const struct lu_env *env, struct cl_object *obj,
* return a short read (B) or some zeroes at the end
* of the buffer (C)
*/
- ccc_object_size_unlock(obj);
+ vvp_object_size_unlock(obj);
result = cl_glimpse_lock(env, io, inode, obj, 0);
if (result == 0 && exceed) {
/* If objective page index exceed end-of-file
@@ -567,7 +465,9 @@ int ccc_prep_size(const struct lu_env *env, struct cl_object *obj,
(__u64)i_size_read(inode));
}
}
- ccc_object_size_unlock(obj);
+
+ vvp_object_size_unlock(obj);
+
return result;
}

@@ -618,7 +518,7 @@ void ccc_req_attr_set(const struct lu_env *env,
u32 valid_flags;

oa = attr->cra_oa;
- inode = ccc_object_inode(obj);
+ inode = vvp_object_inode(obj);
valid_flags = OBD_MD_FLTYPE;

if (slice->crs_req->crq_type == CRT_WRITE) {
@@ -694,21 +594,6 @@ again:
*
*/

-struct lu_object *ccc2lu(struct ccc_object *vob)
-{
- return &vob->cob_cl.co_lu;
-}
-
-struct ccc_object *lu2ccc(const struct lu_object *obj)
-{
- return container_of0(obj, struct ccc_object, cob_cl.co_lu);
-}
-
-struct ccc_object *cl2ccc(const struct cl_object *obj)
-{
- return container_of0(obj, struct ccc_object, cob_cl);
-}
-
struct ccc_lock *cl2ccc_lock(const struct cl_lock_slice *slice)
{
return container_of(slice, struct ccc_lock, clk_cl);
@@ -734,25 +619,6 @@ struct page *cl2vm_page(const struct cl_page_slice *slice)
return cl2ccc_page(slice)->cpg_page;
}

-/*****************************************************************************
- *
- * Accessors.
- *
- */
-int ccc_object_invariant(const struct cl_object *obj)
-{
- struct inode *inode = ccc_object_inode(obj);
- struct ll_inode_info *lli = ll_i2info(inode);
-
- return (S_ISREG(inode->i_mode) || inode->i_mode == 0) &&
- lli->lli_clob == obj;
-}
-
-struct inode *ccc_object_inode(const struct cl_object *obj)
-{
- return cl2ccc(obj)->cob_inode;
-}
-
/**
* Initialize or update CLIO structures for regular files when new
* meta-data arrives from the server.
diff --git a/drivers/staging/lustre/lustre/llite/llite_close.c b/drivers/staging/lustre/lustre/llite/llite_close.c
index a55ac4d..6e99d34 100644
--- a/drivers/staging/lustre/lustre/llite/llite_close.c
+++ b/drivers/staging/lustre/lustre/llite/llite_close.c
@@ -46,21 +46,21 @@
#include "llite_internal.h"

/** records that a write is in flight */
-void vvp_write_pending(struct ccc_object *club, struct ccc_page *page)
+void vvp_write_pending(struct vvp_object *club, struct ccc_page *page)
{
- struct ll_inode_info *lli = ll_i2info(club->cob_inode);
+ struct ll_inode_info *lli = ll_i2info(club->vob_inode);

spin_lock(&lli->lli_lock);
lli->lli_flags |= LLIF_SOM_DIRTY;
if (page && list_empty(&page->cpg_pending_linkage))
- list_add(&page->cpg_pending_linkage, &club->cob_pending_list);
+ list_add(&page->cpg_pending_linkage, &club->vob_pending_list);
spin_unlock(&lli->lli_lock);
}

/** records that a write has completed */
-void vvp_write_complete(struct ccc_object *club, struct ccc_page *page)
+void vvp_write_complete(struct vvp_object *club, struct ccc_page *page)
{
- struct ll_inode_info *lli = ll_i2info(club->cob_inode);
+ struct ll_inode_info *lli = ll_i2info(club->vob_inode);
int rc = 0;

spin_lock(&lli->lli_lock);
@@ -70,7 +70,7 @@ void vvp_write_complete(struct ccc_object *club, struct ccc_page *page)
}
spin_unlock(&lli->lli_lock);
if (rc)
- ll_queue_done_writing(club->cob_inode, 0);
+ ll_queue_done_writing(club->vob_inode, 0);
}

/** Queues DONE_WRITING if
@@ -80,13 +80,13 @@ void vvp_write_complete(struct ccc_object *club, struct ccc_page *page)
void ll_queue_done_writing(struct inode *inode, unsigned long flags)
{
struct ll_inode_info *lli = ll_i2info(inode);
- struct ccc_object *club = cl2ccc(ll_i2info(inode)->lli_clob);
+ struct vvp_object *club = cl2vvp(ll_i2info(inode)->lli_clob);

spin_lock(&lli->lli_lock);
lli->lli_flags |= flags;

if ((lli->lli_flags & LLIF_DONE_WRITING) &&
- list_empty(&club->cob_pending_list)) {
+ list_empty(&club->vob_pending_list)) {
struct ll_close_queue *lcq = ll_i2sbi(inode)->ll_lcq;

if (lli->lli_flags & LLIF_MDS_SIZE_LOCK)
@@ -140,10 +140,10 @@ void ll_ioepoch_close(struct inode *inode, struct md_op_data *op_data,
struct obd_client_handle **och, unsigned long flags)
{
struct ll_inode_info *lli = ll_i2info(inode);
- struct ccc_object *club = cl2ccc(ll_i2info(inode)->lli_clob);
+ struct vvp_object *club = cl2vvp(ll_i2info(inode)->lli_clob);

spin_lock(&lli->lli_lock);
- if (!(list_empty(&club->cob_pending_list))) {
+ if (!(list_empty(&club->vob_pending_list))) {
if (!(lli->lli_flags & LLIF_EPOCH_PENDING)) {
LASSERT(*och);
LASSERT(!lli->lli_pending_och);
@@ -198,7 +198,7 @@ void ll_ioepoch_close(struct inode *inode, struct md_op_data *op_data,
}
}

- LASSERT(list_empty(&club->cob_pending_list));
+ LASSERT(list_empty(&club->vob_pending_list));
lli->lli_flags &= ~LLIF_SOM_DIRTY;
spin_unlock(&lli->lli_lock);
ll_done_writing_attr(inode, op_data);
diff --git a/drivers/staging/lustre/lustre/llite/llite_internal.h b/drivers/staging/lustre/lustre/llite/llite_internal.h
index 1e9e41b..1c39d15 100644
--- a/drivers/staging/lustre/lustre/llite/llite_internal.h
+++ b/drivers/staging/lustre/lustre/llite/llite_internal.h
@@ -828,10 +828,8 @@ struct ll_close_queue {
atomic_t lcq_stop;
};

-struct ccc_object *cl_inode2ccc(struct inode *inode);
-
-void vvp_write_pending (struct ccc_object *club, struct ccc_page *page);
-void vvp_write_complete(struct ccc_object *club, struct ccc_page *page);
+void vvp_write_pending(struct vvp_object *club, struct ccc_page *page);
+void vvp_write_complete(struct vvp_object *club, struct ccc_page *page);

/* specific architecture can implement only part of this list */
enum vvp_io_subtype {
diff --git a/drivers/staging/lustre/lustre/llite/llite_lib.c b/drivers/staging/lustre/lustre/llite/llite_lib.c
index 0f01cfc..95c55c3 100644
--- a/drivers/staging/lustre/lustre/llite/llite_lib.c
+++ b/drivers/staging/lustre/lustre/llite/llite_lib.c
@@ -2270,7 +2270,7 @@ void ll_dirty_page_discard_warn(struct page *page, int ioret)
{
char *buf, *path = NULL;
struct dentry *dentry = NULL;
- struct ccc_object *obj = cl_inode2ccc(page->mapping->host);
+ struct vvp_object *obj = cl_inode2vvp(page->mapping->host);

/* this can be called inside spin lock so use GFP_ATOMIC. */
buf = (char *)__get_free_page(GFP_ATOMIC);
@@ -2284,7 +2284,7 @@ void ll_dirty_page_discard_warn(struct page *page, int ioret)
"%s: dirty page discard: %s/fid: " DFID "/%s may get corrupted (rc %d)\n",
ll_get_fsname(page->mapping->host->i_sb, NULL, 0),
s2lsi(page->mapping->host->i_sb)->lsi_lmd->lmd_dev,
- PFID(&obj->cob_header.coh_lu.loh_fid),
+ PFID(&obj->vob_header.coh_lu.loh_fid),
(path && !IS_ERR(path)) ? path : "", ioret);

if (dentry)
diff --git a/drivers/staging/lustre/lustre/llite/llite_mmap.c b/drivers/staging/lustre/lustre/llite/llite_mmap.c
index baccf93..1263da8 100644
--- a/drivers/staging/lustre/lustre/llite/llite_mmap.c
+++ b/drivers/staging/lustre/lustre/llite/llite_mmap.c
@@ -200,7 +200,7 @@ 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);

@@ -422,16 +422,16 @@ 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 +440,11 @@ 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
diff --git a/drivers/staging/lustre/lustre/llite/rw.c b/drivers/staging/lustre/lustre/llite/rw.c
index ad15058..5ae0993 100644
--- a/drivers/staging/lustre/lustre/llite/rw.c
+++ b/drivers/staging/lustre/lustre/llite/rw.c
@@ -343,7 +343,7 @@ static int ll_read_ahead_page(const struct lu_env *env, struct cl_io *io,
pgoff_t index, pgoff_t *max_index)
{
struct cl_object *clob = io->ci_obj;
- struct inode *inode = ccc_object_inode(clob);
+ struct inode *inode = vvp_object_inode(clob);
struct page *vmpage;
struct cl_page *page;
enum ra_stat which = _NR_RA_STAT; /* keep gcc happy */
@@ -558,7 +558,7 @@ int ll_readahead(const struct lu_env *env, struct cl_io *io,
__u64 kms;

clob = io->ci_obj;
- inode = ccc_object_inode(clob);
+ inode = vvp_object_inode(clob);

memset(ria, 0, sizeof(*ria));

diff --git a/drivers/staging/lustre/lustre/llite/rw26.c b/drivers/staging/lustre/lustre/llite/rw26.c
index f87238b..ec114bc 100644
--- a/drivers/staging/lustre/lustre/llite/rw26.c
+++ b/drivers/staging/lustre/lustre/llite/rw26.c
@@ -350,7 +350,7 @@ static ssize_t ll_direct_IO_26(struct kiocb *iocb, struct iov_iter *iter,
struct cl_io *io;
struct file *file = iocb->ki_filp;
struct inode *inode = file->f_mapping->host;
- struct ccc_object *obj = cl_inode2ccc(inode);
+ struct vvp_object *obj = cl_inode2vvp(inode);
ssize_t count = iov_iter_count(iter);
ssize_t tot_bytes = 0, result = 0;
struct ll_inode_info *lli = ll_i2info(inode);
@@ -386,7 +386,7 @@ static ssize_t ll_direct_IO_26(struct kiocb *iocb, struct iov_iter *iter,
if (iov_iter_rw(iter) == READ)
inode_lock(inode);

- LASSERT(obj->cob_transient_pages == 0);
+ LASSERT(obj->vob_transient_pages == 0);
while (iov_iter_count(iter)) {
struct page **pages;
size_t offs;
@@ -434,7 +434,7 @@ static ssize_t ll_direct_IO_26(struct kiocb *iocb, struct iov_iter *iter,
file_offset += result;
}
out:
- LASSERT(obj->cob_transient_pages == 0);
+ LASSERT(obj->vob_transient_pages == 0);
if (iov_iter_rw(iter) == READ)
inode_unlock(inode);

diff --git a/drivers/staging/lustre/lustre/llite/vvp_dev.c b/drivers/staging/lustre/lustre/llite/vvp_dev.c
index e934ec8..45c549c 100644
--- a/drivers/staging/lustre/lustre/llite/vvp_dev.c
+++ b/drivers/staging/lustre/lustre/llite/vvp_dev.c
@@ -57,10 +57,16 @@
* "llite_" (var. "ll_") prefix.
*/

+struct kmem_cache *vvp_object_kmem;
static struct kmem_cache *vvp_thread_kmem;
static struct kmem_cache *vvp_session_kmem;
static struct lu_kmem_descr vvp_caches[] = {
{
+ .ckd_cache = &vvp_object_kmem,
+ .ckd_name = "vvp_object_kmem",
+ .ckd_size = sizeof(struct vvp_object),
+ },
+ {
.ckd_cache = &vvp_thread_kmem,
.ckd_name = "vvp_thread_kmem",
.ckd_size = sizeof(struct vvp_thread_info),
@@ -431,7 +437,7 @@ static loff_t vvp_pgcache_find(const struct lu_env *env,
return ~0ULL;
clob = vvp_pgcache_obj(env, dev, &id);
if (clob) {
- struct inode *inode = ccc_object_inode(clob);
+ struct inode *inode = vvp_object_inode(clob);
struct page *vmpage;
int nr;

@@ -512,7 +518,7 @@ static int vvp_pgcache_show(struct seq_file *f, void *v)
sbi = f->private;
clob = vvp_pgcache_obj(env, &sbi->ll_cl->cd_lu_dev, &id);
if (clob) {
- struct inode *inode = ccc_object_inode(clob);
+ struct inode *inode = vvp_object_inode(clob);
struct cl_page *page = NULL;
struct page *vmpage;

diff --git a/drivers/staging/lustre/lustre/llite/vvp_internal.h b/drivers/staging/lustre/lustre/llite/vvp_internal.h
index 34509f9..76e7b4c 100644
--- a/drivers/staging/lustre/lustre/llite/vvp_internal.h
+++ b/drivers/staging/lustre/lustre/llite/vvp_internal.h
@@ -128,6 +128,8 @@ int cl_is_normalio(const struct lu_env *env, const struct cl_io *io);
extern struct lu_context_key ccc_key;
extern struct lu_context_key ccc_session_key;

+extern struct kmem_cache *vvp_object_kmem;
+
struct ccc_thread_info {
struct cl_lock cti_lock;
struct cl_lock_descr cti_descr;
@@ -193,10 +195,10 @@ static inline struct ccc_io *ccc_env_io(const struct lu_env *env)
/**
* ccc-private object state.
*/
-struct ccc_object {
- struct cl_object_header cob_header;
- struct cl_object cob_cl;
- struct inode *cob_inode;
+struct vvp_object {
+ struct cl_object_header vob_header;
+ struct cl_object vob_cl;
+ struct inode *vob_inode;

/**
* A list of dirty pages pending IO in the cache. Used by
@@ -204,24 +206,24 @@ struct ccc_object {
*
* \see ccc_page::cpg_pending_linkage
*/
- struct list_head cob_pending_list;
+ struct list_head vob_pending_list;

/**
* Access this counter is protected by inode->i_sem. Now that
* the lifetime of transient pages must be covered by inode sem,
* we don't need to hold any lock..
*/
- int cob_transient_pages;
+ int vob_transient_pages;
/**
* Number of outstanding mmaps on this file.
*
* \see ll_vm_open(), ll_vm_close().
*/
- atomic_t cob_mmap_cnt;
+ atomic_t vob_mmap_cnt;

/**
* various flags
- * cob_discard_page_warned
+ * vob_discard_page_warned
* if pages belonging to this object are discarded when a client
* is evicted, some debug info will be printed, this flag will be set
* during processing the first discarded page, then avoid flooding
@@ -229,7 +231,7 @@ struct ccc_object {
*
* \see ll_dirty_page_discard_warn.
*/
- unsigned int cob_discard_page_warned:1;
+ unsigned int vob_discard_page_warned:1;
};

/**
@@ -242,8 +244,7 @@ struct ccc_page {
int cpg_write_queued;
/**
* Non-empty iff this page is already counted in
- * ccc_object::cob_pending_list. Protected by
- * ccc_object::cob_pending_guard. This list is only used as a flag,
+ * vvp_object::vob_pending_list. This list is only used as a flag,
* that is, never iterated through, only checked for list_empty(), but
* having a list is useful for debugging.
*/
@@ -287,27 +288,14 @@ void *ccc_session_key_init(const struct lu_context *ctx,
void ccc_session_key_fini(const struct lu_context *ctx,
struct lu_context_key *key, void *data);

-struct lu_object *ccc_object_alloc(const struct lu_env *env,
- const struct lu_object_header *hdr,
- struct lu_device *dev,
- const struct cl_object_operations *clops,
- const struct lu_object_operations *luops);
-
int ccc_req_init(const struct lu_env *env, struct cl_device *dev,
struct cl_req *req);
void ccc_umount(const struct lu_env *env, struct cl_device *dev);
int ccc_global_init(struct lu_device_type *device_type);
void ccc_global_fini(struct lu_device_type *device_type);
-int ccc_object_init0(const struct lu_env *env, struct ccc_object *vob,
- const struct cl_object_conf *conf);
-int ccc_object_init(const struct lu_env *env, struct lu_object *obj,
- const struct lu_object_conf *conf);
-void ccc_object_free(const struct lu_env *env, struct lu_object *obj);
int ccc_lock_init(const struct lu_env *env, struct cl_object *obj,
struct cl_lock *lock, const struct cl_io *io,
const struct cl_lock_operations *lkops);
-int ccc_object_glimpse(const struct lu_env *env,
- const struct cl_object *obj, struct ost_lvb *lvb);
int ccc_fail(const struct lu_env *env, const struct cl_page_slice *slice);
int ccc_transient_page_prep(const struct lu_env *env,
const struct cl_page_slice *slice,
@@ -354,20 +342,32 @@ static inline struct vvp_device *cl2vvp_dev(const struct cl_device *d)
return container_of0(d, struct vvp_device, vdv_cl);
}

-struct lu_object *ccc2lu(struct ccc_object *vob);
-struct ccc_object *lu2ccc(const struct lu_object *obj);
-struct ccc_object *cl2ccc(const struct cl_object *obj);
+static inline struct vvp_object *cl2vvp(const struct cl_object *obj)
+{
+ return container_of0(obj, struct vvp_object, vob_cl);
+}
+
+static inline struct vvp_object *lu2vvp(const struct lu_object *obj)
+{
+ return container_of0(obj, struct vvp_object, vob_cl.co_lu);
+}
+
+static inline struct inode *vvp_object_inode(const struct cl_object *obj)
+{
+ return cl2vvp(obj)->vob_inode;
+}
+
+int vvp_object_invariant(const struct cl_object *obj);
+struct vvp_object *cl_inode2vvp(struct inode *inode);
+
struct ccc_lock *cl2ccc_lock(const struct cl_lock_slice *slice);
struct ccc_io *cl2ccc_io(const struct lu_env *env,
const struct cl_io_slice *slice);
struct ccc_req *cl2ccc_req(const struct cl_req_slice *slice);
struct page *cl2vm_page(const struct cl_page_slice *slice);
-struct inode *ccc_object_inode(const struct cl_object *obj);
-struct ccc_object *cl_inode2ccc(struct inode *inode);

int cl_setattr_ost(struct inode *inode, const struct iattr *attr);

-int ccc_object_invariant(const struct cl_object *obj);
int cl_file_inode_init(struct inode *inode, struct lustre_md *md);
void cl_inode_fini(struct inode *inode);
int cl_local_size(struct inode *inode);
@@ -419,7 +419,6 @@ int vvp_page_init(const struct lu_env *env, struct cl_object *obj,
struct lu_object *vvp_object_alloc(const struct lu_env *env,
const struct lu_object_header *hdr,
struct lu_device *dev);
-struct ccc_object *cl_inode2ccc(struct inode *inode);

extern const struct file_operations vvp_dump_pgcache_file_ops;

diff --git a/drivers/staging/lustre/lustre/llite/vvp_io.c b/drivers/staging/lustre/lustre/llite/vvp_io.c
index fcf0cfe..1773cb2 100644
--- a/drivers/staging/lustre/lustre/llite/vvp_io.c
+++ b/drivers/staging/lustre/lustre/llite/vvp_io.c
@@ -127,7 +127,7 @@ static int vvp_io_fault_iter_init(const struct lu_env *env,
const struct cl_io_slice *ios)
{
struct vvp_io *vio = cl2vvp_io(env, ios);
- struct inode *inode = ccc_object_inode(ios->cis_obj);
+ struct inode *inode = vvp_object_inode(ios->cis_obj);

LASSERT(inode ==
file_inode(cl2ccc_io(env, ios)->cui_fd->fd_file));
@@ -141,7 +141,7 @@ static void vvp_io_fini(const struct lu_env *env, const struct cl_io_slice *ios)
struct cl_object *obj = io->ci_obj;
struct ccc_io *cio = cl2ccc_io(env, ios);

- CLOBINVRNT(env, obj, ccc_object_invariant(obj));
+ CLOBINVRNT(env, obj, vvp_object_invariant(obj));

CDEBUG(D_VFSTRACE, DFID
" ignore/verify layout %d/%d, layout version %d restore needed %d\n",
@@ -155,7 +155,7 @@ static void vvp_io_fini(const struct lu_env *env, const struct cl_io_slice *ios)
/* file was detected release, we need to restore it
* before finishing the io
*/
- rc = ll_layout_restore(ccc_object_inode(obj));
+ rc = ll_layout_restore(vvp_object_inode(obj));
/* if restore registration failed, no restart,
* we will return -ENODATA
*/
@@ -181,7 +181,7 @@ static void vvp_io_fini(const struct lu_env *env, const struct cl_io_slice *ios)
__u32 gen = 0;

/* check layout version */
- ll_layout_refresh(ccc_object_inode(obj), &gen);
+ ll_layout_refresh(vvp_object_inode(obj), &gen);
io->ci_need_restart = cio->cui_layout_gen != gen;
if (io->ci_need_restart) {
CDEBUG(D_VFSTRACE,
@@ -190,7 +190,7 @@ static void vvp_io_fini(const struct lu_env *env, const struct cl_io_slice *ios)
cio->cui_layout_gen, gen);
/* today successful restore is the only possible case */
/* restore was done, clear restoring state */
- ll_i2info(ccc_object_inode(obj))->lli_flags &=
+ ll_i2info(vvp_object_inode(obj))->lli_flags &=
~LLIF_FILE_RESTORING;
}
}
@@ -202,7 +202,7 @@ static void vvp_io_fault_fini(const struct lu_env *env,
struct cl_io *io = ios->cis_io;
struct cl_page *page = io->u.ci_fault.ft_page;

- CLOBINVRNT(env, io->ci_obj, ccc_object_invariant(io->ci_obj));
+ CLOBINVRNT(env, io->ci_obj, vvp_object_invariant(io->ci_obj));

if (page) {
lu_ref_del(&page->cp_reference, "fault", io);
@@ -459,7 +459,7 @@ static int vvp_io_setattr_start(const struct lu_env *env,
const struct cl_io_slice *ios)
{
struct cl_io *io = ios->cis_io;
- struct inode *inode = ccc_object_inode(io->ci_obj);
+ struct inode *inode = vvp_object_inode(io->ci_obj);
int result = 0;

inode_lock(inode);
@@ -475,7 +475,7 @@ static void vvp_io_setattr_end(const struct lu_env *env,
const struct cl_io_slice *ios)
{
struct cl_io *io = ios->cis_io;
- struct inode *inode = ccc_object_inode(io->ci_obj);
+ struct inode *inode = vvp_object_inode(io->ci_obj);

if (cl_io_is_trunc(io))
/* Truncate in memory pages - they must be clean pages
@@ -499,7 +499,7 @@ static int vvp_io_read_start(const struct lu_env *env,
struct ccc_io *cio = cl2ccc_io(env, ios);
struct cl_io *io = ios->cis_io;
struct cl_object *obj = io->ci_obj;
- struct inode *inode = ccc_object_inode(obj);
+ struct inode *inode = vvp_object_inode(obj);
struct ll_ra_read *bead = &vio->cui_bead;
struct file *file = cio->cui_fd->fd_file;

@@ -509,7 +509,7 @@ static int vvp_io_read_start(const struct lu_env *env,
long tot = cio->cui_tot_count;
int exceed = 0;

- CLOBINVRNT(env, obj, ccc_object_invariant(obj));
+ CLOBINVRNT(env, obj, vvp_object_invariant(obj));

CDEBUG(D_VFSTRACE, "read: -> [%lli, %lli)\n", pos, pos + cnt);

@@ -653,7 +653,7 @@ static void write_commit_callback(const struct lu_env *env, struct cl_io *io,
set_page_dirty(vmpage);

cp = cl2ccc_page(cl_object_page_slice(clob, page));
- vvp_write_pending(cl2ccc(clob), cp);
+ vvp_write_pending(cl2vvp(clob), cp);

cl_page_disown(env, io, page);

@@ -690,7 +690,7 @@ static bool page_list_sanity_check(struct cl_object *obj,
int vvp_io_write_commit(const struct lu_env *env, struct cl_io *io)
{
struct cl_object *obj = io->ci_obj;
- struct inode *inode = ccc_object_inode(obj);
+ struct inode *inode = vvp_object_inode(obj);
struct ccc_io *cio = ccc_env_io(env);
struct cl_page_list *queue = &cio->u.write.cui_queue;
struct cl_page *page;
@@ -773,7 +773,7 @@ static int vvp_io_write_start(const struct lu_env *env,
struct ccc_io *cio = cl2ccc_io(env, ios);
struct cl_io *io = ios->cis_io;
struct cl_object *obj = io->ci_obj;
- struct inode *inode = ccc_object_inode(obj);
+ struct inode *inode = vvp_object_inode(obj);
ssize_t result = 0;
loff_t pos = io->u.ci_wr.wr.crw_pos;
size_t cnt = io->u.ci_wr.wr.crw_count;
@@ -874,7 +874,7 @@ static void mkwrite_commit_callback(const struct lu_env *env, struct cl_io *io,
set_page_dirty(page->cp_vmpage);

cp = cl2ccc_page(cl_object_page_slice(clob, page));
- vvp_write_pending(cl2ccc(clob), cp);
+ vvp_write_pending(cl2vvp(clob), cp);
}

static int vvp_io_fault_start(const struct lu_env *env,
@@ -883,7 +883,7 @@ static int vvp_io_fault_start(const struct lu_env *env,
struct vvp_io *vio = cl2vvp_io(env, ios);
struct cl_io *io = ios->cis_io;
struct cl_object *obj = io->ci_obj;
- struct inode *inode = ccc_object_inode(obj);
+ struct inode *inode = vvp_object_inode(obj);
struct cl_fault_io *fio = &io->u.ci_fault;
struct vvp_fault_io *cfio = &vio->u.fault;
loff_t offset;
@@ -1060,7 +1060,7 @@ static int vvp_io_read_page(const struct lu_env *env,
struct cl_io *io = ios->cis_io;
struct ccc_page *cp = cl2ccc_page(slice);
struct cl_page *page = slice->cpl_page;
- struct inode *inode = ccc_object_inode(slice->cpl_obj);
+ struct inode *inode = vvp_object_inode(slice->cpl_obj);
struct ll_sb_info *sbi = ll_i2sbi(inode);
struct ll_file_data *fd = cl2ccc_io(env, ios)->cui_fd;
struct ll_readahead_state *ras = &fd->fd_ras;
@@ -1135,10 +1135,10 @@ int vvp_io_init(const struct lu_env *env, struct cl_object *obj,
{
struct vvp_io *vio = vvp_env_io(env);
struct ccc_io *cio = ccc_env_io(env);
- struct inode *inode = ccc_object_inode(obj);
+ struct inode *inode = vvp_object_inode(obj);
int result;

- CLOBINVRNT(env, obj, ccc_object_invariant(obj));
+ CLOBINVRNT(env, obj, vvp_object_invariant(obj));

CDEBUG(D_VFSTRACE, DFID
" ignore/verify layout %d/%d, layout version %d restore needed %d\n",
diff --git a/drivers/staging/lustre/lustre/llite/vvp_object.c b/drivers/staging/lustre/lustre/llite/vvp_object.c
index 45fac69..9f5e6a6 100644
--- a/drivers/staging/lustre/lustre/llite/vvp_object.c
+++ b/drivers/staging/lustre/lustre/llite/vvp_object.c
@@ -54,16 +54,25 @@
*
*/

+int vvp_object_invariant(const struct cl_object *obj)
+{
+ struct inode *inode = vvp_object_inode(obj);
+ struct ll_inode_info *lli = ll_i2info(inode);
+
+ return (S_ISREG(inode->i_mode) || inode->i_mode == 0) &&
+ lli->lli_clob == obj;
+}
+
static int vvp_object_print(const struct lu_env *env, void *cookie,
lu_printer_t p, const struct lu_object *o)
{
- struct ccc_object *obj = lu2ccc(o);
- struct inode *inode = obj->cob_inode;
+ struct vvp_object *obj = lu2vvp(o);
+ struct inode *inode = obj->vob_inode;
struct ll_inode_info *lli;

(*p)(env, cookie, "(%s %d %d) inode: %p ",
- list_empty(&obj->cob_pending_list) ? "-" : "+",
- obj->cob_transient_pages, atomic_read(&obj->cob_mmap_cnt),
+ list_empty(&obj->vob_pending_list) ? "-" : "+",
+ obj->vob_transient_pages, atomic_read(&obj->vob_mmap_cnt),
inode);
if (inode) {
lli = ll_i2info(inode);
@@ -78,7 +87,7 @@ static int vvp_object_print(const struct lu_env *env, void *cookie,
static int vvp_attr_get(const struct lu_env *env, struct cl_object *obj,
struct cl_attr *attr)
{
- struct inode *inode = ccc_object_inode(obj);
+ struct inode *inode = vvp_object_inode(obj);

/*
* lov overwrites most of these fields in
@@ -100,7 +109,7 @@ static int vvp_attr_get(const struct lu_env *env, struct cl_object *obj,
static int vvp_attr_set(const struct lu_env *env, struct cl_object *obj,
const struct cl_attr *attr, unsigned valid)
{
- struct inode *inode = ccc_object_inode(obj);
+ struct inode *inode = vvp_object_inode(obj);

if (valid & CAT_UID)
inode->i_uid = make_kuid(&init_user_ns, attr->cat_uid);
@@ -168,7 +177,7 @@ static int vvp_conf_set(const struct lu_env *env, struct cl_object *obj,

static int vvp_prune(const struct lu_env *env, struct cl_object *obj)
{
- struct inode *inode = ccc_object_inode(obj);
+ struct inode *inode = vvp_object_inode(obj);
int rc;

rc = cl_sync_file_range(inode, 0, OBD_OBJECT_EOF, CL_FSYNC_LOCAL, 1);
@@ -182,6 +191,24 @@ static int vvp_prune(const struct lu_env *env, struct cl_object *obj)
return 0;
}

+static int vvp_object_glimpse(const struct lu_env *env,
+ const struct cl_object *obj, struct ost_lvb *lvb)
+{
+ struct inode *inode = vvp_object_inode(obj);
+
+ lvb->lvb_mtime = LTIME_S(inode->i_mtime);
+ lvb->lvb_atime = LTIME_S(inode->i_atime);
+ lvb->lvb_ctime = LTIME_S(inode->i_ctime);
+ /*
+ * LU-417: Add dirty pages block count lest i_blocks reports 0, some
+ * "cp" or "tar" on remote node may think it's a completely sparse file
+ * and skip it.
+ */
+ if (lvb->lvb_size > 0 && lvb->lvb_blocks == 0)
+ lvb->lvb_blocks = dirty_cnt(inode);
+ return 0;
+}
+
static const struct cl_object_operations vvp_ops = {
.coo_page_init = vvp_page_init,
.coo_lock_init = vvp_lock_init,
@@ -190,16 +217,60 @@ static const struct cl_object_operations vvp_ops = {
.coo_attr_set = vvp_attr_set,
.coo_conf_set = vvp_conf_set,
.coo_prune = vvp_prune,
- .coo_glimpse = ccc_object_glimpse
+ .coo_glimpse = vvp_object_glimpse
};

+static int vvp_object_init0(const struct lu_env *env,
+ struct vvp_object *vob,
+ const struct cl_object_conf *conf)
+{
+ vob->vob_inode = conf->coc_inode;
+ vob->vob_transient_pages = 0;
+ cl_object_page_init(&vob->vob_cl, sizeof(struct ccc_page));
+ return 0;
+}
+
+static int vvp_object_init(const struct lu_env *env, struct lu_object *obj,
+ const struct lu_object_conf *conf)
+{
+ struct vvp_device *dev = lu2vvp_dev(obj->lo_dev);
+ struct vvp_object *vob = lu2vvp(obj);
+ struct lu_object *below;
+ struct lu_device *under;
+ int result;
+
+ under = &dev->vdv_next->cd_lu_dev;
+ below = under->ld_ops->ldo_object_alloc(env, obj->lo_header, under);
+ if (below) {
+ const struct cl_object_conf *cconf;
+
+ cconf = lu2cl_conf(conf);
+ INIT_LIST_HEAD(&vob->vob_pending_list);
+ lu_object_add(obj, below);
+ result = vvp_object_init0(env, vob, cconf);
+ } else {
+ result = -ENOMEM;
+ }
+
+ return result;
+}
+
+static void vvp_object_free(const struct lu_env *env, struct lu_object *obj)
+{
+ struct vvp_object *vob = lu2vvp(obj);
+
+ lu_object_fini(obj);
+ lu_object_header_fini(obj->lo_header);
+ kmem_cache_free(vvp_object_kmem, vob);
+}
+
static const struct lu_object_operations vvp_lu_obj_ops = {
- .loo_object_init = ccc_object_init,
- .loo_object_free = ccc_object_free,
- .loo_object_print = vvp_object_print
+ .loo_object_init = vvp_object_init,
+ .loo_object_free = vvp_object_free,
+ .loo_object_print = vvp_object_print,
};

-struct ccc_object *cl_inode2ccc(struct inode *inode)
+struct vvp_object *cl_inode2vvp(struct inode *inode)
{
struct ll_inode_info *lli = ll_i2info(inode);
struct cl_object *obj = lli->lli_clob;
@@ -207,12 +278,32 @@ struct ccc_object *cl_inode2ccc(struct inode *inode)

lu = lu_object_locate(obj->co_lu.lo_header, &vvp_device_type);
LASSERT(lu);
- return lu2ccc(lu);
+ return lu2vvp(lu);
}

struct lu_object *vvp_object_alloc(const struct lu_env *env,
- const struct lu_object_header *hdr,
+ const struct lu_object_header *unused,
struct lu_device *dev)
{
- return ccc_object_alloc(env, hdr, dev, &vvp_ops, &vvp_lu_obj_ops);
+ struct vvp_object *vob;
+ struct lu_object *obj;
+
+ vob = kmem_cache_zalloc(vvp_object_kmem, GFP_NOFS);
+ if (vob) {
+ struct cl_object_header *hdr;
+
+ obj = &vob->vob_cl.co_lu;
+ hdr = &vob->vob_header;
+ cl_object_header_init(hdr);
+ hdr->coh_page_bufsize = cfs_size_round(sizeof(struct cl_page));
+
+ lu_object_init(obj, &hdr->coh_lu, dev);
+ lu_object_add_top(&hdr->coh_lu, obj);
+
+ vob->vob_cl.co_ops = &vvp_ops;
+ obj->lo_ops = &vvp_lu_obj_ops;
+ } else {
+ obj = NULL;
+ }
+ return obj;
}
diff --git a/drivers/staging/lustre/lustre/llite/vvp_page.c b/drivers/staging/lustre/lustre/llite/vvp_page.c
index 66a4f9b..419a535 100644
--- a/drivers/staging/lustre/lustre/llite/vvp_page.c
+++ b/drivers/staging/lustre/lustre/llite/vvp_page.c
@@ -159,9 +159,9 @@ static void vvp_page_delete(const struct lu_env *env,

LASSERT(PageLocked(vmpage));
LASSERT((struct cl_page *)vmpage->private == page);
- LASSERT(inode == ccc_object_inode(obj));
+ LASSERT(inode == vvp_object_inode(obj));

- vvp_write_complete(cl2ccc(obj), cl2ccc_page(slice));
+ vvp_write_complete(cl2vvp(obj), cl2ccc_page(slice));

/* Drop the reference count held in vvp_page_init */
refc = atomic_dec_return(&page->cp_ref);
@@ -220,7 +220,7 @@ static int vvp_page_prep_write(const struct lu_env *env,
if (!pg->cp_sync_io)
set_page_writeback(vmpage);

- vvp_write_pending(cl2ccc(slice->cpl_obj), cl2ccc_page(slice));
+ vvp_write_pending(cl2vvp(slice->cpl_obj), cl2ccc_page(slice));

return 0;
}
@@ -233,11 +233,11 @@ static int vvp_page_prep_write(const struct lu_env *env,
*/
static void vvp_vmpage_error(struct inode *inode, struct page *vmpage, int ioret)
{
- struct ccc_object *obj = cl_inode2ccc(inode);
+ struct vvp_object *obj = cl_inode2vvp(inode);

if (ioret == 0) {
ClearPageError(vmpage);
- obj->cob_discard_page_warned = 0;
+ obj->vob_discard_page_warned = 0;
} else {
SetPageError(vmpage);
if (ioret == -ENOSPC)
@@ -246,8 +246,8 @@ static void vvp_vmpage_error(struct inode *inode, struct page *vmpage, int ioret
set_bit(AS_EIO, &inode->i_mapping->flags);

if ((ioret == -ESHUTDOWN || ioret == -EINTR) &&
- obj->cob_discard_page_warned == 0) {
- obj->cob_discard_page_warned = 1;
+ obj->vob_discard_page_warned == 0) {
+ obj->vob_discard_page_warned = 1;
ll_dirty_page_discard_warn(vmpage, ioret);
}
}
@@ -260,7 +260,7 @@ static void vvp_page_completion_read(const struct lu_env *env,
struct ccc_page *cp = cl2ccc_page(slice);
struct page *vmpage = cp->cpg_page;
struct cl_page *page = slice->cpl_page;
- struct inode *inode = ccc_object_inode(page->cp_obj);
+ struct inode *inode = vvp_object_inode(page->cp_obj);

LASSERT(PageLocked(vmpage));
CL_PAGE_HEADER(D_PAGE, env, page, "completing READ with %d\n", ioret);
@@ -299,7 +299,7 @@ static void vvp_page_completion_write(const struct lu_env *env,
*/

cp->cpg_write_queued = 0;
- vvp_write_complete(cl2ccc(slice->cpl_obj), cp);
+ vvp_write_complete(cl2vvp(slice->cpl_obj), cp);

if (pg->cp_sync_io) {
LASSERT(PageLocked(vmpage));
@@ -310,7 +310,7 @@ static void vvp_page_completion_write(const struct lu_env *env,
* Only mark the page error only when it's an async write
* because applications won't wait for IO to finish.
*/
- vvp_vmpage_error(ccc_object_inode(pg->cp_obj), vmpage, ioret);
+ vvp_vmpage_error(vvp_object_inode(pg->cp_obj), vmpage, ioret);

end_page_writeback(vmpage);
}
@@ -342,7 +342,7 @@ static int vvp_page_make_ready(const struct lu_env *env,
LASSERT(pg->cp_state == CPS_CACHED);
/* This actually clears the dirty bit in the radix tree. */
set_page_writeback(vmpage);
- vvp_write_pending(cl2ccc(slice->cpl_obj), cl2ccc_page(slice));
+ vvp_write_pending(cl2vvp(slice->cpl_obj), cl2ccc_page(slice));
CL_PAGE_HEADER(D_PAGE, env, pg, "readied\n");
} else if (pg->cp_state == CPS_PAGEOUT) {
/* is it possible for osc_flush_async_page() to already
@@ -421,7 +421,7 @@ static const struct cl_page_operations vvp_page_ops = {

static void vvp_transient_page_verify(const struct cl_page *page)
{
- struct inode *inode = ccc_object_inode(page->cp_obj);
+ struct inode *inode = vvp_object_inode(page->cp_obj);

LASSERT(!inode_trylock(inode));
}
@@ -472,7 +472,7 @@ static void vvp_transient_page_discard(const struct lu_env *env,
static int vvp_transient_page_is_vmlocked(const struct lu_env *env,
const struct cl_page_slice *slice)
{
- struct inode *inode = ccc_object_inode(slice->cpl_obj);
+ struct inode *inode = vvp_object_inode(slice->cpl_obj);
int locked;

locked = !inode_trylock(inode);
@@ -494,11 +494,11 @@ static void vvp_transient_page_fini(const struct lu_env *env,
{
struct ccc_page *cp = cl2ccc_page(slice);
struct cl_page *clp = slice->cpl_page;
- struct ccc_object *clobj = cl2ccc(clp->cp_obj);
+ struct vvp_object *clobj = cl2vvp(clp->cp_obj);

vvp_page_fini_common(cp);
- LASSERT(!inode_trylock(clobj->cob_inode));
- clobj->cob_transient_pages--;
+ LASSERT(!inode_trylock(clobj->vob_inode));
+ clobj->vob_transient_pages--;
}

static const struct cl_page_operations vvp_transient_page_ops = {
@@ -529,7 +529,7 @@ int vvp_page_init(const struct lu_env *env, struct cl_object *obj,
struct ccc_page *cpg = cl_object_page_slice(obj, page);
struct page *vmpage = page->cp_vmpage;

- CLOBINVRNT(env, obj, ccc_object_invariant(obj));
+ CLOBINVRNT(env, obj, vvp_object_invariant(obj));

cpg->cpg_page = vmpage;
page_cache_get(vmpage);
@@ -543,12 +543,12 @@ int vvp_page_init(const struct lu_env *env, struct cl_object *obj,
cl_page_slice_add(page, &cpg->cpg_cl, obj, index,
&vvp_page_ops);
} else {
- struct ccc_object *clobj = cl2ccc(obj);
+ struct vvp_object *clobj = cl2vvp(obj);

- LASSERT(!inode_trylock(clobj->cob_inode));
+ LASSERT(!inode_trylock(clobj->vob_inode));
cl_page_slice_add(page, &cpg->cpg_cl, obj, index,
&vvp_transient_page_ops);
- clobj->cob_transient_pages++;
+ clobj->vob_transient_pages++;
}
return 0;
}
diff --git a/drivers/staging/lustre/lustre/osc/osc_cl_internal.h b/drivers/staging/lustre/lustre/osc/osc_cl_internal.h
index d6d7661..aba6469 100644
--- a/drivers/staging/lustre/lustre/osc/osc_cl_internal.h
+++ b/drivers/staging/lustre/lustre/osc/osc_cl_internal.h
@@ -135,7 +135,7 @@ struct osc_object {
*/
struct list_head oo_inflight[CRT_NR];
/**
- * Lock, protecting ccc_object::cob_inflight, because a seat-belt is
+ * Lock, protecting osc_page::ops_inflight, because a seat-belt is
* locked during take-off and landing.
*/
spinlock_t oo_seatbelt;
--
2.1.0

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