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staging/lustre/llite: merge ccc_io and vvp_io

Browse Source 
Move the contents of struct vvp_io into struct ccc_io, delete the
former, and rename the latter to struct vvp_io. Rename various ccc_io
related functions to use vvp rather than ccc.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Reviewed-on: http://review.whamcloud.com/13351
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5971
Reviewed-by: Lai Siyao <lai.siyao@intel.com>
Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com>
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
John L. Hammond 2016-03-30 19:48:51 -04:00 committed by Greg Kroah-Hartman
parent bc4320a918
commit 10cdef7339
11 changed files with 144 additions and 215 deletions
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2
drivers/staging/lustre/lustre/include/cl_object.h
View File

@ -1461,7 +1461,7 @@ enum cl_io_state {
* This is usually embedded into layer session data, rather than allocated
* dynamically.
*
* \see vvp_io, lov_io, osc_io, ccc_io
* \see vvp_io, lov_io, osc_io
*/
struct cl_io_slice {
struct cl_io *cis_io;

13
drivers/staging/lustre/lustre/llite/file.c
View File

@ -1135,14 +1135,13 @@ ll_file_io_generic(const struct lu_env *env, struct vvp_io_args *args,
ll_io_init(io, file, iot == CIT_WRITE);
if (cl_io_rw_init(env, io, iot, *ppos, count) == 0) {
struct vvp_io *vio = vvp_env_io(env);
struct ccc_io *cio = ccc_env_io(env);
struct vvp_io *cio = vvp_env_io(env);
int write_mutex_locked = 0;
cio->cui_fd = LUSTRE_FPRIVATE(file);
vio->cui_io_subtype = args->via_io_subtype;
cio->cui_io_subtype = args->via_io_subtype;
switch (vio->cui_io_subtype) {
switch (cio->cui_io_subtype) {
case IO_NORMAL:
cio->cui_iter = args->u.normal.via_iter;
cio->cui_iocb = args->u.normal.via_iocb;
@ -1158,11 +1157,11 @@ ll_file_io_generic(const struct lu_env *env, struct vvp_io_args *args,
down_read(&lli->lli_trunc_sem);
break;
case IO_SPLICE:
vio->u.splice.cui_pipe = args->u.splice.via_pipe;
vio->u.splice.cui_flags = args->u.splice.via_flags;
cio->u.splice.cui_pipe = args->u.splice.via_pipe;
cio->u.splice.cui_flags = args->u.splice.via_flags;
break;
default:
CERROR("Unknown IO type - %u\n", vio->cui_io_subtype);
CERROR("Unknown IO type - %u\n", cio->cui_io_subtype);
LBUG();
}
result = cl_io_loop(env, io);

60
drivers/staging/lustre/lustre/llite/lcommon_cl.c
View File

@ -68,7 +68,6 @@ static const struct cl_req_operations ccc_req_ops;
*/
static struct kmem_cache *ccc_thread_kmem;
static struct kmem_cache *ccc_session_kmem;
static struct kmem_cache *ccc_req_kmem;
static struct lu_kmem_descr ccc_caches[] = {
@ -77,11 +76,6 @@ static struct lu_kmem_descr ccc_caches[] = {
.ckd_name = "ccc_thread_kmem",
.ckd_size = sizeof(struct ccc_thread_info),
},
{
.ckd_cache = &ccc_session_kmem,
.ckd_name = "ccc_session_kmem",
.ckd_size = sizeof(struct ccc_session)
},
{
.ckd_cache = &ccc_req_kmem,
.ckd_name = "ccc_req_kmem",
@ -116,37 +110,12 @@ void ccc_key_fini(const struct lu_context *ctx,
kmem_cache_free(ccc_thread_kmem, info);
}
void *ccc_session_key_init(const struct lu_context *ctx,
struct lu_context_key *key)
{
struct ccc_session *session;
session = kmem_cache_zalloc(ccc_session_kmem, GFP_NOFS);
if (!session)
session = ERR_PTR(-ENOMEM);
return session;
}
void ccc_session_key_fini(const struct lu_context *ctx,
struct lu_context_key *key, void *data)
{
struct ccc_session *session = data;
kmem_cache_free(ccc_session_kmem, session);
}
struct lu_context_key ccc_key = {
.lct_tags = LCT_CL_THREAD,
.lct_init = ccc_key_init,
.lct_fini = ccc_key_fini
};
struct lu_context_key ccc_session_key = {
.lct_tags = LCT_SESSION,
.lct_init = ccc_session_key_init,
.lct_fini = ccc_session_key_fini
};
int ccc_req_init(const struct lu_env *env, struct cl_device *dev,
struct cl_req *req)
{
@ -237,11 +206,11 @@ static void vvp_object_size_unlock(struct cl_object *obj)
*
*/
int ccc_io_one_lock_index(const struct lu_env *env, struct cl_io *io,
int vvp_io_one_lock_index(const struct lu_env *env, struct cl_io *io,
__u32 enqflags, enum cl_lock_mode mode,
pgoff_t start, pgoff_t end)
{
struct ccc_io *cio = ccc_env_io(env);
struct vvp_io *cio = vvp_env_io(env);
struct cl_lock_descr *descr = &cio->cui_link.cill_descr;
struct cl_object *obj = io->ci_obj;
@ -266,8 +235,8 @@ int ccc_io_one_lock_index(const struct lu_env *env, struct cl_io *io,
return 0;
}
void ccc_io_update_iov(const struct lu_env *env,
struct ccc_io *cio, struct cl_io *io)
void vvp_io_update_iov(const struct lu_env *env,
struct vvp_io *cio, struct cl_io *io)
{
size_t size = io->u.ci_rw.crw_count;
@ -277,27 +246,27 @@ void ccc_io_update_iov(const struct lu_env *env,
iov_iter_truncate(cio->cui_iter, size);
}
int ccc_io_one_lock(const struct lu_env *env, struct cl_io *io,
int vvp_io_one_lock(const struct lu_env *env, struct cl_io *io,
__u32 enqflags, enum cl_lock_mode mode,
loff_t start, loff_t end)
{
struct cl_object *obj = io->ci_obj;
return ccc_io_one_lock_index(env, io, enqflags, mode,
return vvp_io_one_lock_index(env, io, enqflags, mode,
cl_index(obj, start), cl_index(obj, end));
}
void ccc_io_end(const struct lu_env *env, const struct cl_io_slice *ios)
void vvp_io_end(const struct lu_env *env, const struct cl_io_slice *ios)
{
CLOBINVRNT(env, ios->cis_io->ci_obj,
vvp_object_invariant(ios->cis_io->ci_obj));
}
void ccc_io_advance(const struct lu_env *env,
void vvp_io_advance(const struct lu_env *env,
const struct cl_io_slice *ios,
size_t nob)
{
struct ccc_io *cio = cl2ccc_io(env, ios);
struct vvp_io *cio = cl2vvp_io(env, ios);
struct cl_io *io = ios->cis_io;
struct cl_object *obj = ios->cis_io->ci_obj;
@ -492,7 +461,7 @@ int cl_setattr_ost(struct inode *inode, const struct iattr *attr)
again:
if (cl_io_init(env, io, CIT_SETATTR, io->ci_obj) == 0) {
struct ccc_io *cio = ccc_env_io(env);
struct vvp_io *cio = vvp_env_io(env);
if (attr->ia_valid & ATTR_FILE)
/* populate the file descriptor for ftruncate to honor
@ -524,13 +493,14 @@ int cl_setattr_ost(struct inode *inode, const struct iattr *attr)
*
*/
struct ccc_io *cl2ccc_io(const struct lu_env *env,
struct vvp_io *cl2vvp_io(const struct lu_env *env,
const struct cl_io_slice *slice)
{
struct ccc_io *cio;
struct vvp_io *cio;
cio = container_of(slice, struct vvp_io, cui_cl);
LASSERT(cio == vvp_env_io(env));
cio = container_of(slice, struct ccc_io, cui_cl);
LASSERT(cio == ccc_env_io(env));
return cio;
}

72
drivers/staging/lustre/lustre/llite/llite_internal.h
View File

@ -817,59 +817,6 @@ struct ll_close_queue {
void vvp_write_pending(struct vvp_object *club, struct vvp_page *page);
void vvp_write_complete(struct vvp_object *club, struct vvp_page *page);
/* specific architecture can implement only part of this list */
enum vvp_io_subtype {
/** normal IO */
IO_NORMAL,
/** io started from splice_{read|write} */
IO_SPLICE
};
/* IO subtypes */
struct vvp_io {
/** io subtype */
enum vvp_io_subtype cui_io_subtype;
union {
struct {
struct pipe_inode_info *cui_pipe;
unsigned int cui_flags;
} splice;
struct vvp_fault_io {
/**
* Inode modification time that is checked across DLM
* lock request.
*/
time64_t ft_mtime;
struct vm_area_struct *ft_vma;
/**
* locked page returned from vvp_io
*/
struct page *ft_vmpage;
struct vm_fault_api {
/**
* kernel fault info
*/
struct vm_fault *ft_vmf;
/**
* fault API used bitflags for return code.
*/
unsigned int ft_flags;
/**
* check that flags are from filemap_fault
*/
bool ft_flags_valid;
} fault;
} fault;
} u;
/* Readahead state. */
pgoff_t cui_ra_start;
pgoff_t cui_ra_count;
/* Set when cui_ra_{start,count} have been initialized. */
bool cui_ra_valid;
};
/**
* IO arguments for various VFS I/O interfaces.
*/
@ -923,25 +870,6 @@ static inline struct vvp_io_args *vvp_env_args(const struct lu_env *env,
return ret;
}
struct vvp_session {
struct vvp_io vs_ios;
};
static inline struct vvp_session *vvp_env_session(const struct lu_env *env)
{
extern struct lu_context_key vvp_session_key;
struct vvp_session *ses;
ses = lu_context_key_get(env->le_ses, &vvp_session_key);
LASSERT(ses);
return ses;
}
static inline struct vvp_io *vvp_env_io(const struct lu_env *env)
{
return &vvp_env_session(env)->vs_ios;
}
int vvp_global_init(void);
void vvp_global_fini(void);

12
drivers/staging/lustre/lustre/llite/llite_mmap.c
View File

@ -146,7 +146,7 @@ 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 *cio = vvp_env_io(env);
struct ll_file_data *fd = LUSTRE_FPRIVATE(file);
LASSERT(cio->cui_cl.cis_io == io);
@ -307,17 +307,17 @@ 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) {

4
drivers/staging/lustre/lustre/llite/rw.c
View File

@ -90,7 +90,7 @@ struct ll_cl_context *ll_cl_init(struct file *file, struct page *vmpage)
struct lu_env *env;
struct cl_io *io;
struct cl_object *clob;
struct ccc_io *cio;
struct vvp_io *cio;
int refcheck;
int result = 0;
@ -108,7 +108,7 @@ struct ll_cl_context *ll_cl_init(struct file *file, struct page *vmpage)
lcc->lcc_refcheck = refcheck;
lcc->lcc_cookie = current;
cio = ccc_env_io(env);
cio = vvp_env_io(env);
io = cio->cui_cl.cis_io;
lcc->lcc_io = io;
if (!io) {

10
drivers/staging/lustre/lustre/llite/rw26.c
View File

@ -376,7 +376,7 @@ static ssize_t ll_direct_IO_26(struct kiocb *iocb, struct iov_iter *iter,
env = cl_env_get(&refcheck);
LASSERT(!IS_ERR(env));
io = ccc_env_io(env)->cui_cl.cis_io;
io = vvp_env_io(env)->cui_cl.cis_io;
LASSERT(io);
/* 0. Need locking between buffered and direct access. and race with
@ -439,7 +439,7 @@ static ssize_t ll_direct_IO_26(struct kiocb *iocb, struct iov_iter *iter,
inode_unlock(inode);
if (tot_bytes > 0) {
struct ccc_io *cio = ccc_env_io(env);
struct vvp_io *cio = vvp_env_io(env);
/* no commit async for direct IO */
cio->u.write.cui_written += tot_bytes;
@ -513,7 +513,7 @@ static int ll_write_begin(struct file *file, struct address_space *mapping,
/* To avoid deadlock, try to lock page first. */
vmpage = grab_cache_page_nowait(mapping, index);
if (unlikely(!vmpage || PageDirty(vmpage) || PageWriteback(vmpage))) {
struct ccc_io *cio = ccc_env_io(env);
struct vvp_io *cio = vvp_env_io(env);
struct cl_page_list *plist = &cio->u.write.cui_queue;
/* if the page is already in dirty cache, we have to commit
@ -595,7 +595,7 @@ static int ll_write_end(struct file *file, struct address_space *mapping,
struct ll_cl_context *lcc = fsdata;
struct lu_env *env;
struct cl_io *io;
struct ccc_io *cio;
struct vvp_io *cio;
struct cl_page *page;
unsigned from = pos & (PAGE_CACHE_SIZE - 1);
bool unplug = false;
@ -606,7 +606,7 @@ static int ll_write_end(struct file *file, struct address_space *mapping,
env = lcc->lcc_env;
page = lcc->lcc_page;
io = lcc->lcc_io;
cio = ccc_env_io(env);
cio = vvp_env_io(env);
LASSERT(cl_page_is_owned(page, io));
if (copied > 0) {

2
drivers/staging/lustre/lustre/llite/vvp_dev.c
View File

@ -138,7 +138,7 @@ struct lu_context_key vvp_session_key = {
};
/* type constructor/destructor: vvp_type_{init,fini,start,stop}(). */
LU_TYPE_INIT_FINI(vvp, &ccc_key, &ccc_session_key, &vvp_key, &vvp_session_key);
LU_TYPE_INIT_FINI(vvp, &ccc_key, &vvp_key, &vvp_session_key);
static const struct lu_device_operations vvp_lu_ops = {
.ldo_object_alloc = vvp_object_alloc

81
drivers/staging/lustre/lustre/llite/vvp_internal.h
View File

@ -81,10 +81,18 @@ enum ccc_setattr_lock_type {
SETATTR_MATCH_LOCK
};
/* specific architecture can implement only part of this list */
enum vvp_io_subtype {
/** normal IO */
IO_NORMAL,
/** io started from splice_{read|write} */
IO_SPLICE
};
/**
* IO state private to vvp or slp layers.
* IO state private to IO state private to VVP layer.
*/
struct ccc_io {
struct vvp_io {
/** super class */
struct cl_io_slice cui_cl;
struct cl_io_lock_link cui_link;
@ -98,9 +106,37 @@ struct ccc_io {
size_t cui_tot_count;
union {
struct vvp_fault_io {
/**
* Inode modification time that is checked across DLM
* lock request.
*/
time64_t ft_mtime;
struct vm_area_struct *ft_vma;
/**
* locked page returned from vvp_io
*/
struct page *ft_vmpage;
/**
* kernel fault info
*/
struct vm_fault *ft_vmf;
/**
* fault API used bitflags for return code.
*/
unsigned int ft_flags;
/**
* check that flags are from filemap_fault
*/
bool ft_flags_valid;
} fault;
struct {
enum ccc_setattr_lock_type cui_local_lock;
} setattr;
struct {
struct pipe_inode_info *cui_pipe;
unsigned int cui_flags;
} splice;
struct {
struct cl_page_list cui_queue;
unsigned long cui_written;
@ -108,6 +144,9 @@ struct ccc_io {
int cui_to;
} write;
} u;
enum vvp_io_subtype cui_io_subtype;
/**
* Layout version when this IO is initialized
*/
@ -117,6 +156,12 @@ struct ccc_io {
*/
struct ll_file_data *cui_fd;
struct kiocb *cui_iocb;
/* Readahead state. */
pgoff_t cui_ra_start;
pgoff_t cui_ra_count;
/* Set when cui_ra_{start,count} have been initialized. */
bool cui_ra_valid;
};
/**
@ -126,7 +171,7 @@ struct ccc_io {
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 lu_context_key vvp_session_key;
extern struct kmem_cache *vvp_lock_kmem;
extern struct kmem_cache *vvp_object_kmem;
@ -174,23 +219,23 @@ static inline struct cl_io *ccc_env_thread_io(const struct lu_env *env)
return io;
}
struct ccc_session {
struct ccc_io cs_ios;
struct vvp_session {
struct vvp_io cs_ios;
};
static inline struct ccc_session *ccc_env_session(const struct lu_env *env)
static inline struct vvp_session *vvp_env_session(const struct lu_env *env)
{
struct ccc_session *ses;
struct vvp_session *ses;
ses = lu_context_key_get(env->le_ses, &ccc_session_key);
ses = lu_context_key_get(env->le_ses, &vvp_session_key);
LASSERT(ses);
return ses;
}
static inline struct ccc_io *ccc_env_io(const struct lu_env *env)
static inline struct vvp_io *vvp_env_io(const struct lu_env *env)
{
return &ccc_env_session(env)->cs_ios;
return &vvp_env_session(env)->cs_ios;
}
/**
@ -282,10 +327,6 @@ void *ccc_key_init(const struct lu_context *ctx,
struct lu_context_key *key);
void ccc_key_fini(const struct lu_context *ctx,
struct lu_context_key *key, void *data);
void *ccc_session_key_init(const struct lu_context *ctx,
struct lu_context_key *key);
void ccc_session_key_fini(const struct lu_context *ctx,
struct lu_context_key *key, void *data);
int ccc_req_init(const struct lu_env *env, struct cl_device *dev,
struct cl_req *req);
@ -293,16 +334,16 @@ 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_io_one_lock_index(const struct lu_env *env, struct cl_io *io,
int vvp_io_one_lock_index(const struct lu_env *env, struct cl_io *io,
__u32 enqflags, enum cl_lock_mode mode,
pgoff_t start, pgoff_t end);
int ccc_io_one_lock(const struct lu_env *env, struct cl_io *io,
int vvp_io_one_lock(const struct lu_env *env, struct cl_io *io,
__u32 enqflags, enum cl_lock_mode mode,
loff_t start, loff_t end);
void ccc_io_end(const struct lu_env *env, const struct cl_io_slice *ios);
void ccc_io_advance(const struct lu_env *env, const struct cl_io_slice *ios,
void vvp_io_end(const struct lu_env *env, const struct cl_io_slice *ios);
void vvp_io_advance(const struct lu_env *env, const struct cl_io_slice *ios,
size_t nob);
void ccc_io_update_iov(const struct lu_env *env, struct ccc_io *cio,
void vvp_io_update_iov(const struct lu_env *env, struct vvp_io *cio,
struct cl_io *io);
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);
@ -356,7 +397,7 @@ static inline struct vvp_lock *cl2vvp_lock(const struct cl_lock_slice *slice)
return container_of(slice, struct vvp_lock, vlk_cl);
}
struct ccc_io *cl2ccc_io(const struct lu_env *env,
struct vvp_io *cl2vvp_io(const struct lu_env *env,
const struct cl_io_slice *slice);
struct ccc_req *cl2ccc_req(const struct cl_req_slice *slice);

101
drivers/staging/lustre/lustre/llite/vvp_io.c
View File

@ -47,9 +47,6 @@
#include "llite_internal.h"
#include "vvp_internal.h"
static struct vvp_io *cl2vvp_io(const struct lu_env *env,
const struct cl_io_slice *slice);
/**
* True, if \a io is a normal io, False for splice_{read,write}
*/
@ -72,7 +69,7 @@ static bool can_populate_pages(const struct lu_env *env, struct cl_io *io,
struct inode *inode)
{
struct ll_inode_info *lli = ll_i2info(inode);
struct ccc_io *cio = ccc_env_io(env);
struct vvp_io *cio = vvp_env_io(env);
bool rc = true;
switch (io->ci_type) {
@ -105,7 +102,7 @@ static bool can_populate_pages(const struct lu_env *env, struct cl_io *io,
static int vvp_io_write_iter_init(const struct lu_env *env,
const struct cl_io_slice *ios)
{
struct ccc_io *cio = cl2ccc_io(env, ios);
struct vvp_io *cio = cl2vvp_io(env, ios);
cl_page_list_init(&cio->u.write.cui_queue);
cio->u.write.cui_written = 0;
@ -118,7 +115,7 @@ static int vvp_io_write_iter_init(const struct lu_env *env,
static void vvp_io_write_iter_fini(const struct lu_env *env,
const struct cl_io_slice *ios)
{
struct ccc_io *cio = cl2ccc_io(env, ios);
struct vvp_io *cio = cl2vvp_io(env, ios);
LASSERT(cio->u.write.cui_queue.pl_nr == 0);
}
@ -129,8 +126,7 @@ static int vvp_io_fault_iter_init(const struct lu_env *env,
struct vvp_io *vio = cl2vvp_io(env, ios);
struct inode *inode = vvp_object_inode(ios->cis_obj);
LASSERT(inode ==
file_inode(cl2ccc_io(env, ios)->cui_fd->fd_file));
LASSERT(inode == file_inode(vio->cui_fd->fd_file));
vio->u.fault.ft_mtime = inode->i_mtime.tv_sec;
return 0;
}
@ -139,7 +135,7 @@ static void vvp_io_fini(const struct lu_env *env, const struct cl_io_slice *ios)
{
struct cl_io *io = ios->cis_io;
struct cl_object *obj = io->ci_obj;
struct ccc_io *cio = cl2ccc_io(env, ios);
struct vvp_io *cio = cl2vvp_io(env, ios);
CLOBINVRNT(env, obj, vvp_object_invariant(obj));
@ -225,7 +221,7 @@ static enum cl_lock_mode vvp_mode_from_vma(struct vm_area_struct *vma)
}
static int vvp_mmap_locks(const struct lu_env *env,
struct ccc_io *vio, struct cl_io *io)
struct vvp_io *vio, struct cl_io *io)
{
struct ccc_thread_info *cti = ccc_env_info(env);
struct mm_struct *mm = current->mm;
@ -310,19 +306,19 @@ static int vvp_mmap_locks(const struct lu_env *env,
static int vvp_io_rw_lock(const struct lu_env *env, struct cl_io *io,
enum cl_lock_mode mode, loff_t start, loff_t end)
{
struct ccc_io *cio = ccc_env_io(env);
struct vvp_io *cio = vvp_env_io(env);
int result;
int ast_flags = 0;
LASSERT(io->ci_type == CIT_READ || io->ci_type == CIT_WRITE);
ccc_io_update_iov(env, cio, io);
vvp_io_update_iov(env, cio, io);
if (io->u.ci_rw.crw_nonblock)
ast_flags |= CEF_NONBLOCK;
result = vvp_mmap_locks(env, cio, io);
if (result == 0)
result = ccc_io_one_lock(env, io, ast_flags, mode, start, end);
result = vvp_io_one_lock(env, io, ast_flags, mode, start, end);
return result;
}
@ -347,9 +343,11 @@ static int vvp_io_fault_lock(const struct lu_env *env,
/*
* XXX LDLM_FL_CBPENDING
*/
return ccc_io_one_lock_index
(env, io, 0, vvp_mode_from_vma(vio->u.fault.ft_vma),
io->u.ci_fault.ft_index, io->u.ci_fault.ft_index);
return vvp_io_one_lock_index(env,
io, 0,
vvp_mode_from_vma(vio->u.fault.ft_vma),
io->u.ci_fault.ft_index,
io->u.ci_fault.ft_index);
}
static int vvp_io_write_lock(const struct lu_env *env,
@ -383,7 +381,7 @@ static int vvp_io_setattr_iter_init(const struct lu_env *env,
static int vvp_io_setattr_lock(const struct lu_env *env,
const struct cl_io_slice *ios)
{
struct ccc_io *cio = ccc_env_io(env);
struct vvp_io *cio = vvp_env_io(env);
struct cl_io *io = ios->cis_io;
__u64 new_size;
__u32 enqflags = 0;
@ -401,7 +399,8 @@ static int vvp_io_setattr_lock(const struct lu_env *env,
new_size = 0;
}
cio->u.setattr.cui_local_lock = SETATTR_EXTENT_LOCK;
return ccc_io_one_lock(env, io, enqflags, CLM_WRITE,
return vvp_io_one_lock(env, io, enqflags, CLM_WRITE,
new_size, OBD_OBJECT_EOF);
}
@ -496,16 +495,15 @@ static int vvp_io_read_start(const struct lu_env *env,
const struct cl_io_slice *ios)
{
struct vvp_io *vio = cl2vvp_io(env, ios);
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 = vvp_object_inode(obj);
struct file *file = cio->cui_fd->fd_file;
struct file *file = vio->cui_fd->fd_file;
int result;
loff_t pos = io->u.ci_rd.rd.crw_pos;
long cnt = io->u.ci_rd.rd.crw_count;
long tot = cio->cui_tot_count;
long tot = vio->cui_tot_count;
int exceed = 0;
CLOBINVRNT(env, obj, vvp_object_invariant(obj));
@ -526,7 +524,7 @@ static int vvp_io_read_start(const struct lu_env *env,
inode->i_ino, cnt, pos, i_size_read(inode));
/* turn off the kernel's read-ahead */
cio->cui_fd->fd_file->f_ra.ra_pages = 0;
vio->cui_fd->fd_file->f_ra.ra_pages = 0;
/* initialize read-ahead window once per syscall */
if (!vio->cui_ra_valid) {
@ -540,8 +538,8 @@ static int vvp_io_read_start(const struct lu_env *env,
file_accessed(file);
switch (vio->cui_io_subtype) {
case IO_NORMAL:
LASSERT(cio->cui_iocb->ki_pos == pos);
result = generic_file_read_iter(cio->cui_iocb, cio->cui_iter);
LASSERT(vio->cui_iocb->ki_pos == pos);
result = generic_file_read_iter(vio->cui_iocb, vio->cui_iter);
break;
case IO_SPLICE:
result = generic_file_splice_read(file, &pos,
@ -564,7 +562,7 @@ static int vvp_io_read_start(const struct lu_env *env,
io->ci_continue = 0;
io->ci_nob += result;
ll_rw_stats_tally(ll_i2sbi(inode), current->pid,
cio->cui_fd, pos, result, READ);
vio->cui_fd, pos, result, READ);
result = 0;
}
return result;
@ -676,7 +674,7 @@ int vvp_io_write_commit(const struct lu_env *env, struct cl_io *io)
{
struct cl_object *obj = io->ci_obj;
struct inode *inode = vvp_object_inode(obj);
struct ccc_io *cio = ccc_env_io(env);
struct vvp_io *cio = vvp_env_io(env);
struct cl_page_list *queue = &cio->u.write.cui_queue;
struct cl_page *page;
int rc = 0;
@ -755,7 +753,7 @@ int vvp_io_write_commit(const struct lu_env *env, struct cl_io *io)
static int vvp_io_write_start(const struct lu_env *env,
const struct cl_io_slice *ios)
{
struct ccc_io *cio = cl2ccc_io(env, ios);
struct vvp_io *cio = cl2vvp_io(env, ios);
struct cl_io *io = ios->cis_io;
struct cl_object *obj = io->ci_obj;
struct inode *inode = vvp_object_inode(obj);
@ -813,10 +811,10 @@ static int vvp_io_write_start(const struct lu_env *env,
static int vvp_io_kernel_fault(struct vvp_fault_io *cfio)
{
struct vm_fault *vmf = cfio->fault.ft_vmf;
struct vm_fault *vmf = cfio->ft_vmf;
cfio->fault.ft_flags = filemap_fault(cfio->ft_vma, vmf);
cfio->fault.ft_flags_valid = 1;
cfio->ft_flags = filemap_fault(cfio->ft_vma, vmf);
cfio->ft_flags_valid = 1;
if (vmf->page) {
CDEBUG(D_PAGE,
@ -824,29 +822,29 @@ static int vvp_io_kernel_fault(struct vvp_fault_io *cfio)
vmf->page, vmf->page->mapping, vmf->page->index,
(long)vmf->page->flags, page_count(vmf->page),
page_private(vmf->page), vmf->virtual_address);
if (unlikely(!(cfio->fault.ft_flags & VM_FAULT_LOCKED))) {
if (unlikely(!(cfio->ft_flags & VM_FAULT_LOCKED))) {
lock_page(vmf->page);
cfio->fault.ft_flags |= VM_FAULT_LOCKED;
cfio->ft_flags |= VM_FAULT_LOCKED;
}
cfio->ft_vmpage = vmf->page;
return 0;
}
if (cfio->fault.ft_flags & (VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV)) {
if (cfio->ft_flags & (VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV)) {
CDEBUG(D_PAGE, "got addr %p - SIGBUS\n", vmf->virtual_address);
return -EFAULT;
}
if (cfio->fault.ft_flags & VM_FAULT_OOM) {
if (cfio->ft_flags & VM_FAULT_OOM) {
CDEBUG(D_PAGE, "got addr %p - OOM\n", vmf->virtual_address);
return -ENOMEM;
}
if (cfio->fault.ft_flags & VM_FAULT_RETRY)
if (cfio->ft_flags & VM_FAULT_RETRY)
return -EAGAIN;
CERROR("Unknown error in page fault %d!\n", cfio->fault.ft_flags);
CERROR("Unknown error in page fault %d!\n", cfio->ft_flags);
return -EINVAL;
}
@ -1024,7 +1022,9 @@ static int vvp_io_fault_start(const struct lu_env *env,
/* return unlocked vmpage to avoid deadlocking */
if (vmpage)
unlock_page(vmpage);
cfio->fault.ft_flags &= ~VM_FAULT_LOCKED;
cfio->ft_flags &= ~VM_FAULT_LOCKED;
return result;
}
@ -1047,7 +1047,7 @@ static int vvp_io_read_page(const struct lu_env *env,
struct cl_page *page = slice->cpl_page;
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_file_data *fd = cl2vvp_io(env, ios)->cui_fd;
struct ll_readahead_state *ras = &fd->fd_ras;
struct cl_2queue *queue = &io->ci_queue;
@ -1080,7 +1080,7 @@ static const struct cl_io_operations vvp_io_ops = {
.cio_fini = vvp_io_fini,
.cio_lock = vvp_io_read_lock,
.cio_start = vvp_io_read_start,
.cio_advance = ccc_io_advance,
.cio_advance = vvp_io_advance,
},
[CIT_WRITE] = {
.cio_fini = vvp_io_fini,
@ -1088,7 +1088,7 @@ static const struct cl_io_operations vvp_io_ops = {
.cio_iter_fini = vvp_io_write_iter_fini,
.cio_lock = vvp_io_write_lock,
.cio_start = vvp_io_write_start,
.cio_advance = ccc_io_advance
.cio_advance = vvp_io_advance,
},
[CIT_SETATTR] = {
.cio_fini = vvp_io_setattr_fini,
@ -1102,7 +1102,7 @@ static const struct cl_io_operations vvp_io_ops = {
.cio_iter_init = vvp_io_fault_iter_init,
.cio_lock = vvp_io_fault_lock,
.cio_start = vvp_io_fault_start,
.cio_end = ccc_io_end
.cio_end = vvp_io_end,
},
[CIT_FSYNC] = {
.cio_start = vvp_io_fsync_start,
@ -1119,7 +1119,6 @@ int vvp_io_init(const struct lu_env *env, struct cl_object *obj,
struct cl_io *io)
{
struct vvp_io *vio = vvp_env_io(env);
struct ccc_io *cio = ccc_env_io(env);
struct inode *inode = vvp_object_inode(obj);
int result;
@ -1129,10 +1128,10 @@ int vvp_io_init(const struct lu_env *env, struct cl_object *obj,
" ignore/verify layout %d/%d, layout version %d restore needed %d\n",
PFID(lu_object_fid(&obj->co_lu)),
io->ci_ignore_layout, io->ci_verify_layout,
cio->cui_layout_gen, io->ci_restore_needed);
vio->cui_layout_gen, io->ci_restore_needed);
CL_IO_SLICE_CLEAN(cio, cui_cl);
cl_io_slice_add(io, &cio->cui_cl, obj, &vvp_io_ops);
CL_IO_SLICE_CLEAN(vio, cui_cl);
cl_io_slice_add(io, &vio->cui_cl, obj, &vvp_io_ops);
vio->cui_ra_valid = false;
result = 0;
if (io->ci_type == CIT_READ || io->ci_type == CIT_WRITE) {
@ -1146,7 +1145,7 @@ int vvp_io_init(const struct lu_env *env, struct cl_object *obj,
if (count == 0)
result = 1;
else
cio->cui_tot_count = count;
vio->cui_tot_count = count;
/* for read/write, we store the jobid in the inode, and
* it'll be fetched by osc when building RPC.
@ -1172,7 +1171,7 @@ int vvp_io_init(const struct lu_env *env, struct cl_object *obj,
* because it might not grant layout lock in IT_OPEN.
*/
if (result == 0 && !io->ci_ignore_layout) {
result = ll_layout_refresh(inode, &cio->cui_layout_gen);
result = ll_layout_refresh(inode, &vio->cui_layout_gen);
if (result == -ENOENT)
/* If the inode on MDS has been removed, but the objects
* on OSTs haven't been destroyed (async unlink), layout
@ -1188,11 +1187,3 @@ int vvp_io_init(const struct lu_env *env, struct cl_object *obj,
return result;
}
static struct vvp_io *cl2vvp_io(const struct lu_env *env,
const struct cl_io_slice *slice)
{
/* Calling just for assertion */
cl2ccc_io(env, slice);
return vvp_env_io(env);
}

2
drivers/staging/lustre/lustre/llite/vvp_page.c
View File

@ -372,7 +372,7 @@ static int vvp_page_is_under_lock(const struct lu_env *env,
{
if (io->ci_type == CIT_READ || io->ci_type == CIT_WRITE ||
io->ci_type == CIT_FAULT) {
struct ccc_io *cio = ccc_env_io(env);
struct vvp_io *cio = vvp_env_io(env);
if (unlikely(cio->cui_fd->fd_flags & LL_FILE_GROUP_LOCKED))
*max_index = CL_PAGE_EOF;