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staging: lustre: llite: remove client Size on MDS support

Browse Source 
Size on MDS support have been in preview since at least 2.0.0. Remove
support for it from lustre/llite/.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6047
Reviewed-on: http://review.whamcloud.com/13126
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Lai Siyao <lai.siyao@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
John L. Hammond
2016-10-02 22:27:59 -04:00
committed by Greg Kroah-Hartman
parent fbe93b34fa
commit 0cd9993113
13 changed files with 89 additions and 774 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/staging/lustre/lustre/llite/Makefile
View File

@@ -1,5 +1,5 @@
obj-$(CONFIG_LUSTRE_FS) += lustre.o
lustre-y := dcache.o dir.o file.o llite_close.o llite_lib.o llite_nfs.o \
lustre-y := dcache.o dir.o file.o llite_lib.o llite_nfs.o \
rw.o namei.o symlink.o llite_mmap.o range_lock.o \
xattr.o xattr_cache.o rw26.o super25.o statahead.o \
glimpse.o lcommon_cl.o lcommon_misc.o \

97
drivers/staging/lustre/lustre/llite/file.c
View File

@@ -86,7 +86,6 @@ void ll_pack_inode2opdata(struct inode *inode, struct md_op_data *op_data,
op_data->op_attr.ia_size = i_size_read(inode);
op_data->op_attr_blocks = inode->i_blocks;
op_data->op_attr_flags = ll_inode_to_ext_flags(inode->i_flags);
op_data->op_ioepoch = ll_i2info(inode)->lli_ioepoch;
if (fh)
op_data->op_handle = *fh;
@@ -95,8 +94,7 @@ void ll_pack_inode2opdata(struct inode *inode, struct md_op_data *op_data,
}
/**
* Closes the IO epoch and packs all the attributes into @op_data for
* the CLOSE rpc.
* Packs all the attributes into @op_data for the CLOSE rpc.
*/
static void ll_prepare_close(struct inode *inode, struct md_op_data *op_data,
struct obd_client_handle *och)
@@ -108,11 +106,7 @@ static void ll_prepare_close(struct inode *inode, struct md_op_data *op_data,
if (!(och->och_flags & FMODE_WRITE))
goto out;
if (!exp_connect_som(ll_i2mdexp(inode)) || !S_ISREG(inode->i_mode))
op_data->op_attr.ia_valid |= ATTR_SIZE | ATTR_BLOCKS;
else
ll_ioepoch_close(inode, op_data, &och, 0);
op_data->op_attr.ia_valid |= ATTR_SIZE | ATTR_BLOCKS;
out:
ll_pack_inode2opdata(inode, op_data, &och->och_fh);
ll_prep_md_op_data(op_data, inode, NULL, NULL,
@@ -128,7 +122,6 @@ static int ll_close_inode_openhandle(struct obd_export *md_exp,
struct md_op_data *op_data;
struct ptlrpc_request *req = NULL;
struct obd_device *obd = class_exp2obd(exp);
int epoch_close = 1;
int rc;
if (!obd) {
@@ -157,22 +150,9 @@ static int ll_close_inode_openhandle(struct obd_export *md_exp,
op_data->op_lease_handle = och->och_lease_handle;
op_data->op_attr.ia_valid |= ATTR_SIZE | ATTR_BLOCKS;
}
epoch_close = op_data->op_flags & MF_EPOCH_CLOSE;
rc = md_close(md_exp, op_data, och->och_mod, &req);
if (rc == -EAGAIN) {
/* This close must have the epoch closed. */
LASSERT(epoch_close);
/* MDS has instructed us to obtain Size-on-MDS attribute from
* OSTs and send setattr to back to MDS.
*/
rc = ll_som_update(inode, op_data);
if (rc) {
CERROR("%s: inode "DFID" mdc Size-on-MDS update failed: rc = %d\n",
ll_i2mdexp(inode)->exp_obd->obd_name,
PFID(ll_inode2fid(inode)), rc);
rc = 0;
}
} else if (rc) {
if (rc) {
CERROR("%s: inode "DFID" mdc close failed: rc = %d\n",
ll_i2mdexp(inode)->exp_obd->obd_name,
PFID(ll_inode2fid(inode)), rc);
@@ -200,15 +180,10 @@ static int ll_close_inode_openhandle(struct obd_export *md_exp,
ll_finish_md_op_data(op_data);
out:
if (exp_connect_som(exp) && !epoch_close &&
S_ISREG(inode->i_mode) && (och->och_flags & FMODE_WRITE)) {
ll_queue_done_writing(inode, LLIF_DONE_WRITING);
} else {
md_clear_open_replay_data(md_exp, och);
/* Free @och if it is not waiting for DONE_WRITING. */
och->och_fh.cookie = DEAD_HANDLE_MAGIC;
kfree(och);
}
md_clear_open_replay_data(md_exp, och);
och->och_fh.cookie = DEAD_HANDLE_MAGIC;
kfree(och);
if (req) /* This is close request */
ptlrpc_req_finished(req);
return rc;
@@ -437,20 +412,6 @@ static int ll_intent_file_open(struct dentry *de, void *lmm, int lmmsize,
return rc;
}
/**
* Assign an obtained @ioepoch to client's inode. No lock is needed, MDS does
* not believe attributes if a few ioepoch holders exist. Attributes for
* previous ioepoch if new one is opened are also skipped by MDS.
*/
void ll_ioepoch_open(struct ll_inode_info *lli, __u64 ioepoch)
{
if (ioepoch && lli->lli_ioepoch != ioepoch) {
lli->lli_ioepoch = ioepoch;
CDEBUG(D_INODE, "Epoch %llu opened on "DFID"\n",
ioepoch, PFID(&lli->lli_fid));
}
}
static int ll_och_fill(struct obd_export *md_exp, struct lookup_intent *it,
struct obd_client_handle *och)
{
@@ -470,23 +431,17 @@ static int ll_local_open(struct file *file, struct lookup_intent *it,
struct ll_file_data *fd, struct obd_client_handle *och)
{
struct inode *inode = file_inode(file);
struct ll_inode_info *lli = ll_i2info(inode);
LASSERT(!LUSTRE_FPRIVATE(file));
LASSERT(fd);
if (och) {
struct mdt_body *body;
int rc;
rc = ll_och_fill(ll_i2sbi(inode)->ll_md_exp, it, och);
if (rc != 0)
return rc;
body = req_capsule_server_get(&it->it_request->rq_pill,
&RMF_MDT_BODY);
ll_ioepoch_open(lli, body->mbo_ioepoch);
}
LUSTRE_FPRIVATE(file) = fd;
@@ -912,7 +867,7 @@ static int ll_lease_close(struct obd_client_handle *och, struct inode *inode,
/* Fills the obdo with the attributes for the lsm */
static int ll_lsm_getattr(struct lov_stripe_md *lsm, struct obd_export *exp,
struct obdo *obdo, __u64 ioepoch, int dv_flags)
struct obdo *obdo, int dv_flags)
{
struct ptlrpc_request_set *set;
struct obd_info oinfo = { };
@@ -924,13 +879,11 @@ static int ll_lsm_getattr(struct lov_stripe_md *lsm, struct obd_export *exp,
oinfo.oi_oa = obdo;
oinfo.oi_oa->o_oi = lsm->lsm_oi;
oinfo.oi_oa->o_mode = S_IFREG;
oinfo.oi_oa->o_ioepoch = ioepoch;
oinfo.oi_oa->o_valid = OBD_MD_FLID | OBD_MD_FLTYPE |
OBD_MD_FLSIZE | OBD_MD_FLBLOCKS |
OBD_MD_FLBLKSZ | OBD_MD_FLATIME |
OBD_MD_FLMTIME | OBD_MD_FLCTIME |
OBD_MD_FLGROUP | OBD_MD_FLEPOCH |
OBD_MD_FLDATAVERSION;
OBD_MD_FLGROUP | OBD_MD_FLDATAVERSION;
if (dv_flags & (LL_DV_WR_FLUSH | LL_DV_RD_FLUSH)) {
oinfo.oi_oa->o_valid |= OBD_MD_FLFLAGS;
oinfo.oi_oa->o_flags |= OBD_FL_SRVLOCK;
@@ -961,32 +914,6 @@ static int ll_lsm_getattr(struct lov_stripe_md *lsm, struct obd_export *exp,
return rc;
}
/**
* Performs the getattr on the inode and updates its fields.
* If @sync != 0, perform the getattr under the server-side lock.
*/
int ll_inode_getattr(struct inode *inode, struct obdo *obdo,
__u64 ioepoch, int sync)
{
struct lov_stripe_md *lsm;
int rc;
lsm = ccc_inode_lsm_get(inode);
rc = ll_lsm_getattr(lsm, ll_i2dtexp(inode),
obdo, ioepoch, sync ? LL_DV_RD_FLUSH : 0);
if (rc == 0) {
struct ost_id *oi = lsm ? &lsm->lsm_oi : &obdo->o_oi;
obdo_refresh_inode(inode, obdo, obdo->o_valid);
CDEBUG(D_INODE, "objid " DOSTID " size %llu, blocks %llu, blksize %lu\n",
POSTID(oi), i_size_read(inode),
(unsigned long long)inode->i_blocks,
1UL << inode->i_blkbits);
}
ccc_inode_lsm_put(inode, lsm);
return rc;
}
int ll_merge_attr(const struct lu_env *env, struct inode *inode)
{
struct ll_inode_info *lli = ll_i2info(inode);
@@ -1049,7 +976,7 @@ int ll_glimpse_ioctl(struct ll_sb_info *sbi, struct lov_stripe_md *lsm,
struct obdo obdo = { 0 };
int rc;
rc = ll_lsm_getattr(lsm, sbi->ll_dt_exp, &obdo, 0, 0);
rc = ll_lsm_getattr(lsm, sbi->ll_dt_exp, &obdo, 0);
if (rc == 0) {
st->st_size = obdo.o_size;
st->st_blocks = obdo.o_blocks;
@@ -1784,7 +1711,7 @@ int ll_data_version(struct inode *inode, __u64 *data_version, int flags)
goto out;
}
rc = ll_lsm_getattr(lsm, sbi->ll_dt_exp, obdo, 0, flags);
rc = ll_lsm_getattr(lsm, sbi->ll_dt_exp, obdo, flags);
if (rc == 0) {
if (!(obdo->o_valid & OBD_MD_FLDATAVERSION))
rc = -EOPNOTSUPP;

105
drivers/staging/lustre/lustre/llite/glimpse.c
View File

@@ -82,65 +82,62 @@ int cl_glimpse_lock(const struct lu_env *env, struct cl_io *io,
{
struct ll_inode_info *lli = ll_i2info(inode);
const struct lu_fid *fid = lu_object_fid(&clob->co_lu);
int result;
int result = 0;
result = 0;
if (!(lli->lli_flags & LLIF_MDS_SIZE_LOCK)) {
CDEBUG(D_DLMTRACE, "Glimpsing inode " DFID "\n", PFID(fid));
if (lli->lli_has_smd) {
struct cl_lock *lock = vvp_env_lock(env);
struct cl_lock_descr *descr = &lock->cll_descr;
CDEBUG(D_DLMTRACE, "Glimpsing inode " DFID "\n", PFID(fid));
if (lli->lli_has_smd) {
struct cl_lock *lock = vvp_env_lock(env);
struct cl_lock_descr *descr = &lock->cll_descr;
/* NOTE: this looks like DLM lock request, but it may
* not be one. Due to CEF_ASYNC flag (translated
* to LDLM_FL_HAS_INTENT by osc), this is
* glimpse request, that won't revoke any
* conflicting DLM locks held. Instead,
* ll_glimpse_callback() will be called on each
* client holding a DLM lock against this file,
* and resulting size will be returned for each
* stripe. DLM lock on [0, EOF] is acquired only
* if there were no conflicting locks. If there
* were conflicting locks, enqueuing or waiting
* fails with -ENAVAIL, but valid inode
* attributes are returned anyway.
*/
*descr = whole_file;
descr->cld_obj = clob;
descr->cld_mode = CLM_READ;
descr->cld_enq_flags = CEF_ASYNC | CEF_MUST;
if (agl)
descr->cld_enq_flags |= CEF_AGL;
/*
* CEF_ASYNC is used because glimpse sub-locks cannot
* deadlock (because they never conflict with other
* locks) and, hence, can be enqueued out-of-order.
*
* CEF_MUST protects glimpse lock from conversion into
* a lockless mode.
*/
result = cl_lock_request(env, io, lock);
if (result < 0)
return result;
/* NOTE: this looks like DLM lock request, but it may
* not be one. Due to CEF_ASYNC flag (translated
* to LDLM_FL_HAS_INTENT by osc), this is
* glimpse request, that won't revoke any
* conflicting DLM locks held. Instead,
* ll_glimpse_callback() will be called on each
* client holding a DLM lock against this file,
* and resulting size will be returned for each
* stripe. DLM lock on [0, EOF] is acquired only
* if there were no conflicting locks. If there
* were conflicting locks, enqueuing or waiting
* fails with -ENAVAIL, but valid inode
* attributes are returned anyway.
*/
*descr = whole_file;
descr->cld_obj = clob;
descr->cld_mode = CLM_READ;
descr->cld_enq_flags = CEF_ASYNC | CEF_MUST;
if (agl)
descr->cld_enq_flags |= CEF_AGL;
/*
* CEF_ASYNC is used because glimpse sub-locks cannot
* deadlock (because they never conflict with other
* locks) and, hence, can be enqueued out-of-order.
*
* CEF_MUST protects glimpse lock from conversion into
* a lockless mode.
*/
result = cl_lock_request(env, io, lock);
if (result < 0)
return result;
if (!agl) {
ll_merge_attr(env, inode);
if (i_size_read(inode) > 0 &&
inode->i_blocks == 0) {
/*
* LU-417: Add dirty pages block count
* lest i_blocks reports 0, some "cp" or
* "tar" may think it's a completely
* sparse file and skip it.
*/
inode->i_blocks = dirty_cnt(inode);
}
}
cl_lock_release(env, lock);
} else {
CDEBUG(D_DLMTRACE, "No objects for inode\n");
if (!agl) {
ll_merge_attr(env, inode);
if (i_size_read(inode) > 0 && !inode->i_blocks) {
/*
* LU-417: Add dirty pages block count
* lest i_blocks reports 0, some "cp" or
* "tar" may think it's a completely
* sparse file and skip it.
*/
inode->i_blocks = dirty_cnt(inode);
}
}
cl_lock_release(env, lock);
} else {
CDEBUG(D_DLMTRACE, "No objects for inode\n");
ll_merge_attr(env, inode);
}
return result;

395
drivers/staging/lustre/lustre/llite/llite_close.c
View File

@@ -1,395 +0,0 @@
/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 only,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License version 2 for more details (a copy is included
* in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
* http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
/*
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
* Copyright (c) 2011, 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Lustre is a trademark of Sun Microsystems, Inc.
*
* lustre/llite/llite_close.c
*
* Lustre Lite routines to issue a secondary close after writeback
*/
#include <linux/module.h>
#define DEBUG_SUBSYSTEM S_LLITE
#include "llite_internal.h"
/** records that a write is in flight */
void vvp_write_pending(struct vvp_object *club, struct vvp_page *page)
{
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->vpg_pending_linkage))
list_add(&page->vpg_pending_linkage, &club->vob_pending_list);
spin_unlock(&lli->lli_lock);
}
/** records that a write has completed */
void vvp_write_complete(struct vvp_object *club, struct vvp_page *page)
{
struct ll_inode_info *lli = ll_i2info(club->vob_inode);
int rc = 0;
spin_lock(&lli->lli_lock);
if (page && !list_empty(&page->vpg_pending_linkage)) {
list_del_init(&page->vpg_pending_linkage);
rc = 1;
}
spin_unlock(&lli->lli_lock);
if (rc)
ll_queue_done_writing(club->vob_inode, 0);
}
/** Queues DONE_WRITING if
* - done writing is allowed;
* - inode has no no dirty pages;
*/
void ll_queue_done_writing(struct inode *inode, unsigned long flags)
{
struct ll_inode_info *lli = ll_i2info(inode);
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->vob_pending_list)) {
struct ll_close_queue *lcq = ll_i2sbi(inode)->ll_lcq;
if (lli->lli_flags & LLIF_MDS_SIZE_LOCK)
CWARN("%s: file "DFID"(flags %u) Size-on-MDS valid, done writing allowed and no diry pages\n",
ll_get_fsname(inode->i_sb, NULL, 0),
PFID(ll_inode2fid(inode)), lli->lli_flags);
/* DONE_WRITING is allowed and inode has no dirty page. */
spin_lock(&lcq->lcq_lock);
LASSERT(list_empty(&lli->lli_close_list));
CDEBUG(D_INODE, "adding inode "DFID" to close list\n",
PFID(ll_inode2fid(inode)));
list_add_tail(&lli->lli_close_list, &lcq->lcq_head);
/* Avoid a concurrent insertion into the close thread queue:
* an inode is already in the close thread, open(), write(),
* close() happen, epoch is closed as the inode is marked as
* LLIF_EPOCH_PENDING. When pages are written inode should not
* be inserted into the queue again, clear this flag to avoid
* it.
*/
lli->lli_flags &= ~LLIF_DONE_WRITING;
wake_up(&lcq->lcq_waitq);
spin_unlock(&lcq->lcq_lock);
}
spin_unlock(&lli->lli_lock);
}
/** Pack SOM attributes info @opdata for CLOSE, DONE_WRITING rpc. */
void ll_done_writing_attr(struct inode *inode, struct md_op_data *op_data)
{
struct ll_inode_info *lli = ll_i2info(inode);
op_data->op_flags |= MF_SOM_CHANGE;
/* Check if Size-on-MDS attributes are valid. */
if (lli->lli_flags & LLIF_MDS_SIZE_LOCK)
CERROR("%s: inode "DFID"(flags %u) MDS holds lock on Size-on-MDS attributes\n",
ll_get_fsname(inode->i_sb, NULL, 0),
PFID(ll_inode2fid(inode)), lli->lli_flags);
if (!cl_local_size(inode)) {
/* Send Size-on-MDS Attributes if valid. */
op_data->op_attr.ia_valid |= ATTR_MTIME_SET | ATTR_CTIME_SET |
ATTR_ATIME_SET | ATTR_SIZE | ATTR_BLOCKS;
}
}
/** Closes ioepoch and packs Size-on-MDS attribute if needed into @op_data. */
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 vvp_object *club = cl2vvp(ll_i2info(inode)->lli_clob);
spin_lock(&lli->lli_lock);
if (!(list_empty(&club->vob_pending_list))) {
if (!(lli->lli_flags & LLIF_EPOCH_PENDING)) {
LASSERT(*och);
LASSERT(!lli->lli_pending_och);
/* Inode is dirty and there is no pending write done
* request yet, DONE_WRITE is to be sent later.
*/
lli->lli_flags |= LLIF_EPOCH_PENDING;
lli->lli_pending_och = *och;
spin_unlock(&lli->lli_lock);
inode = igrab(inode);
LASSERT(inode);
goto out;
}
if (flags & LLIF_DONE_WRITING) {
/* Some pages are still dirty, it is early to send
* DONE_WRITE. Wait until all pages will be flushed
* and try DONE_WRITE again later.
*/
LASSERT(!(lli->lli_flags & LLIF_DONE_WRITING));
lli->lli_flags |= LLIF_DONE_WRITING;
spin_unlock(&lli->lli_lock);
inode = igrab(inode);
LASSERT(inode);
goto out;
}
}
CDEBUG(D_INODE, "Epoch %llu closed on "DFID"\n",
ll_i2info(inode)->lli_ioepoch, PFID(&lli->lli_fid));
op_data->op_flags |= MF_EPOCH_CLOSE;
if (flags & LLIF_DONE_WRITING) {
LASSERT(lli->lli_flags & LLIF_SOM_DIRTY);
LASSERT(!(lli->lli_flags & LLIF_DONE_WRITING));
*och = lli->lli_pending_och;
lli->lli_pending_och = NULL;
lli->lli_flags &= ~LLIF_EPOCH_PENDING;
} else {
/* Pack Size-on-MDS inode attributes only if they has changed */
if (!(lli->lli_flags & LLIF_SOM_DIRTY)) {
spin_unlock(&lli->lli_lock);
goto out;
}
/* There is a pending DONE_WRITE -- close epoch with no
* attribute change.
*/
if (lli->lli_flags & LLIF_EPOCH_PENDING) {
spin_unlock(&lli->lli_lock);
goto out;
}
}
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);
out:
return;
}
/**
* Cliens updates SOM attributes on MDS (including llog cookies):
* obd_getattr with no lock and md_setattr.
*/
int ll_som_update(struct inode *inode, struct md_op_data *op_data)
{
struct ll_inode_info *lli = ll_i2info(inode);
struct ptlrpc_request *request = NULL;
__u32 old_flags;
struct obdo *oa;
int rc;
LASSERT(op_data);
if (lli->lli_flags & LLIF_MDS_SIZE_LOCK)
CERROR("%s: inode "DFID"(flags %u) MDS holds lock on Size-on-MDS attributes\n",
ll_get_fsname(inode->i_sb, NULL, 0),
PFID(ll_inode2fid(inode)), lli->lli_flags);
oa = kmem_cache_zalloc(obdo_cachep, GFP_NOFS);
if (!oa) {
CERROR("can't allocate memory for Size-on-MDS update.\n");
return -ENOMEM;
}
old_flags = op_data->op_flags;
op_data->op_flags = MF_SOM_CHANGE;
/* If inode is already in another epoch, skip getattr from OSTs. */
if (lli->lli_ioepoch == op_data->op_ioepoch) {
rc = ll_inode_getattr(inode, oa, op_data->op_ioepoch,
old_flags & MF_GETATTR_LOCK);
if (rc) {
oa->o_valid = 0;
if (rc != -ENOENT)
CERROR("%s: inode_getattr failed - unable to send a Size-on-MDS attribute update for inode "DFID": rc = %d\n",
ll_get_fsname(inode->i_sb, NULL, 0),
PFID(ll_inode2fid(inode)), rc);
} else {
CDEBUG(D_INODE, "Size-on-MDS update on "DFID"\n",
PFID(&lli->lli_fid));
}
/* Install attributes into op_data. */
md_from_obdo(op_data, oa, oa->o_valid);
}
rc = md_setattr(ll_i2sbi(inode)->ll_md_exp, op_data,
NULL, 0, NULL, 0, &request, NULL);
ptlrpc_req_finished(request);
kmem_cache_free(obdo_cachep, oa);
return rc;
}
/**
* Closes the ioepoch and packs all the attributes into @op_data for
* DONE_WRITING rpc.
*/
static void ll_prepare_done_writing(struct inode *inode,
struct md_op_data *op_data,
struct obd_client_handle **och)
{
ll_ioepoch_close(inode, op_data, och, LLIF_DONE_WRITING);
/* If there is no @och, we do not do D_W yet. */
if (!*och)
return;
ll_pack_inode2opdata(inode, op_data, &(*och)->och_fh);
ll_prep_md_op_data(op_data, inode, NULL, NULL,
0, 0, LUSTRE_OPC_ANY, NULL);
}
/** Send a DONE_WRITING rpc. */
static void ll_done_writing(struct inode *inode)
{
struct obd_client_handle *och = NULL;
struct md_op_data *op_data;
int rc;
LASSERT(exp_connect_som(ll_i2mdexp(inode)));
op_data = kzalloc(sizeof(*op_data), GFP_NOFS);
if (!op_data)
return;
ll_prepare_done_writing(inode, op_data, &och);
/* If there is no @och, we do not do D_W yet. */
if (!och)
goto out;
rc = md_done_writing(ll_i2sbi(inode)->ll_md_exp, op_data, NULL);
if (rc == -EAGAIN)
/* MDS has instructed us to obtain Size-on-MDS attribute from
* OSTs and send setattr to back to MDS.
*/
rc = ll_som_update(inode, op_data);
else if (rc) {
CERROR("%s: inode "DFID" mdc done_writing failed: rc = %d\n",
ll_get_fsname(inode->i_sb, NULL, 0),
PFID(ll_inode2fid(inode)), rc);
}
out:
ll_finish_md_op_data(op_data);
if (och) {
md_clear_open_replay_data(ll_i2sbi(inode)->ll_md_exp, och);
kfree(och);
}
}
static struct ll_inode_info *ll_close_next_lli(struct ll_close_queue *lcq)
{
struct ll_inode_info *lli = NULL;
spin_lock(&lcq->lcq_lock);
if (!list_empty(&lcq->lcq_head)) {
lli = list_entry(lcq->lcq_head.next, struct ll_inode_info,
lli_close_list);
list_del_init(&lli->lli_close_list);
} else if (atomic_read(&lcq->lcq_stop)) {
lli = ERR_PTR(-EALREADY);
}
spin_unlock(&lcq->lcq_lock);
return lli;
}
static int ll_close_thread(void *arg)
{
struct ll_close_queue *lcq = arg;
complete(&lcq->lcq_comp);
while (1) {
struct l_wait_info lwi = { 0 };
struct ll_inode_info *lli;
struct inode *inode;
l_wait_event_exclusive(lcq->lcq_waitq,
(lli = ll_close_next_lli(lcq)) != NULL,
&lwi);
if (IS_ERR(lli))
break;
inode = ll_info2i(lli);
CDEBUG(D_INFO, "done_writing for inode "DFID"\n",
PFID(ll_inode2fid(inode)));
ll_done_writing(inode);
iput(inode);
}
CDEBUG(D_INFO, "ll_close exiting\n");
complete(&lcq->lcq_comp);
return 0;
}
int ll_close_thread_start(struct ll_close_queue **lcq_ret)
{
struct ll_close_queue *lcq;
struct task_struct *task;
if (OBD_FAIL_CHECK(OBD_FAIL_LDLM_CLOSE_THREAD))
return -EINTR;
lcq = kzalloc(sizeof(*lcq), GFP_NOFS);
if (!lcq)
return -ENOMEM;
spin_lock_init(&lcq->lcq_lock);
INIT_LIST_HEAD(&lcq->lcq_head);
init_waitqueue_head(&lcq->lcq_waitq);
init_completion(&lcq->lcq_comp);
task = kthread_run(ll_close_thread, lcq, "ll_close");
if (IS_ERR(task)) {
kfree(lcq);
return PTR_ERR(task);
}
wait_for_completion(&lcq->lcq_comp);
*lcq_ret = lcq;
return 0;
}
void ll_close_thread_shutdown(struct ll_close_queue *lcq)
{
init_completion(&lcq->lcq_comp);
atomic_inc(&lcq->lcq_stop);
wake_up(&lcq->lcq_waitq);
wait_for_completion(&lcq->lcq_comp);
kfree(lcq);
}

56
drivers/staging/lustre/lustre/llite/llite_internal.h
View File

@@ -98,28 +98,17 @@ struct ll_grouplock {
};
enum lli_flags {
/* MDS has an authority for the Size-on-MDS attributes. */
LLIF_MDS_SIZE_LOCK = (1 << 0),
/* Epoch close is postponed. */
LLIF_EPOCH_PENDING = (1 << 1),
/* DONE WRITING is allowed. */
LLIF_DONE_WRITING = (1 << 2),
/* Sizeon-on-MDS attributes are changed. An attribute update needs to
* be sent to MDS.
*/
LLIF_SOM_DIRTY = (1 << 3),
/* File data is modified. */
LLIF_DATA_MODIFIED = (1 << 4),
LLIF_DATA_MODIFIED = BIT(0),
/* File is being restored */
LLIF_FILE_RESTORING = (1 << 5),
LLIF_FILE_RESTORING = BIT(1),
/* Xattr cache is attached to the file */
LLIF_XATTR_CACHE = (1 << 6),
LLIF_XATTR_CACHE = BIT(2),
};
struct ll_inode_info {
__u32 lli_inode_magic;
__u32 lli_flags;
__u64 lli_ioepoch;
spinlock_t lli_lock;
struct posix_acl *lli_posix_acl;
@@ -129,14 +118,6 @@ struct ll_inode_info {
/* master inode fid for stripe directory */
struct lu_fid lli_pfid;
struct list_head lli_close_list;
/* handle is to be sent to MDS later on done_writing and setattr.
* Open handle data are needed for the recovery to reconstruct
* the inode state on the MDS. XXX: recovery is not ready yet.
*/
struct obd_client_handle *lli_pending_och;
/* We need all three because every inode may be opened in different
* modes
*/
@@ -400,7 +381,7 @@ enum stats_track_type {
#define LL_SBI_LOCALFLOCK 0x200 /* Local flocks support by kernel */
#define LL_SBI_LRU_RESIZE 0x400 /* lru resize support */
#define LL_SBI_LAZYSTATFS 0x800 /* lazystatfs mount option */
#define LL_SBI_SOM_PREVIEW 0x1000 /* SOM preview mount option */
/* LL_SBI_SOM_PREVIEW 0x1000 SOM preview mount option, obsolete */
#define LL_SBI_32BIT_API 0x2000 /* generate 32 bit inodes. */
#define LL_SBI_64BIT_HASH 0x4000 /* support 64-bits dir hash/offset */
#define LL_SBI_AGL_ENABLED 0x8000 /* enable agl */
@@ -466,10 +447,10 @@ struct ll_sb_info {
int ll_flags;
unsigned int ll_umounting:1,
ll_xattr_cache_enabled:1;
struct lustre_client_ocd ll_lco;
ll_xattr_cache_enabled:1,
ll_client_common_fill_super_succeeded:1;
struct ll_close_queue *ll_lcq;
struct lustre_client_ocd ll_lco;
struct lprocfs_stats *ll_stats; /* lprocfs stats counter */
@@ -764,15 +745,8 @@ int ll_file_open(struct inode *inode, struct file *file);
int ll_file_release(struct inode *inode, struct file *file);
int ll_glimpse_ioctl(struct ll_sb_info *sbi,
struct lov_stripe_md *lsm, lstat_t *st);
void ll_ioepoch_open(struct ll_inode_info *lli, __u64 ioepoch);
int ll_release_openhandle(struct inode *, struct lookup_intent *);
int ll_md_real_close(struct inode *inode, fmode_t fmode);
void ll_ioepoch_close(struct inode *inode, struct md_op_data *op_data,
struct obd_client_handle **och, unsigned long flags);
void ll_done_writing_attr(struct inode *inode, struct md_op_data *op_data);
int ll_som_update(struct inode *inode, struct md_op_data *op_data);
int ll_inode_getattr(struct inode *inode, struct obdo *obdo,
__u64 ioepoch, int sync);
void ll_pack_inode2opdata(struct inode *inode, struct md_op_data *op_data,
struct lustre_handle *fh);
int ll_getattr(struct vfsmount *mnt, struct dentry *de, struct kstat *stat);
@@ -891,18 +865,6 @@ int ll_dir_get_parent_fid(struct inode *dir, struct lu_fid *parent_fid);
/* llite/symlink.c */
extern const struct inode_operations ll_fast_symlink_inode_operations;
/* llite/llite_close.c */
struct ll_close_queue {
spinlock_t lcq_lock;
struct list_head lcq_head;
wait_queue_head_t lcq_waitq;
struct completion lcq_comp;
atomic_t lcq_stop;
};
void vvp_write_pending(struct vvp_object *club, struct vvp_page *page);
void vvp_write_complete(struct vvp_object *club, struct vvp_page *page);
/**
* IO arguments for various VFS I/O interfaces.
*/
@@ -945,10 +907,6 @@ static inline struct vvp_io_args *ll_env_args(const struct lu_env *env)
return &ll_env_info(env)->lti_args;
}
void ll_queue_done_writing(struct inode *inode, unsigned long flags);
void ll_close_thread_shutdown(struct ll_close_queue *lcq);
int ll_close_thread_start(struct ll_close_queue **lcq_ret);
/* llite/llite_mmap.c */
int ll_teardown_mmaps(struct address_space *mapping, __u64 first, __u64 last);

127
drivers/staging/lustre/lustre/llite/llite_lib.c
View File

@@ -193,9 +193,6 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt,
OBD_CONNECT_OPEN_BY_FID |
OBD_CONNECT_DIR_STRIPE;
if (sbi->ll_flags & LL_SBI_SOM_PREVIEW)
data->ocd_connect_flags |= OBD_CONNECT_SOM;
if (sbi->ll_flags & LL_SBI_LRU_RESIZE)
data->ocd_connect_flags |= OBD_CONNECT_LRU_RESIZE;
#ifdef CONFIG_FS_POSIX_ACL
@@ -357,9 +354,6 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt,
OBD_CONNECT_JOBSTATS | OBD_CONNECT_LVB_TYPE |
OBD_CONNECT_LAYOUTLOCK | OBD_CONNECT_PINGLESS;
if (sbi->ll_flags & LL_SBI_SOM_PREVIEW)
data->ocd_connect_flags |= OBD_CONNECT_SOM;
if (!OBD_FAIL_CHECK(OBD_FAIL_OSC_CONNECT_CKSUM)) {
/* OBD_CONNECT_CKSUM should always be set, even if checksums are
* disabled by default, because it can still be enabled on the
@@ -488,12 +482,6 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt,
goto out_root;
}
err = ll_close_thread_start(&sbi->ll_lcq);
if (err) {
CERROR("cannot start close thread: rc %d\n", err);
goto out_root;
}
checksum = sbi->ll_flags & LL_SBI_CHECKSUM;
err = obd_set_info_async(NULL, sbi->ll_dt_exp, sizeof(KEY_CHECKSUM),
KEY_CHECKSUM, sizeof(checksum), &checksum,
@@ -633,8 +621,6 @@ static void client_common_put_super(struct super_block *sb)
{
struct ll_sb_info *sbi = ll_s2sbi(sb);
ll_close_thread_shutdown(sbi->ll_lcq);
cl_sb_fini(sb);
obd_fid_fini(sbi->ll_dt_exp->exp_obd);
@@ -766,11 +752,6 @@ static int ll_options(char *options, int *flags)
*flags &= ~tmp;
goto next;
}
tmp = ll_set_opt("som_preview", s1, LL_SBI_SOM_PREVIEW);
if (tmp) {
*flags |= tmp;
goto next;
}
tmp = ll_set_opt("32bitapi", s1, LL_SBI_32BIT_API);
if (tmp) {
*flags |= tmp;
@@ -804,14 +785,11 @@ void ll_lli_init(struct ll_inode_info *lli)
{
lli->lli_inode_magic = LLI_INODE_MAGIC;
lli->lli_flags = 0;
lli->lli_ioepoch = 0;
lli->lli_maxbytes = MAX_LFS_FILESIZE;
spin_lock_init(&lli->lli_lock);
lli->lli_posix_acl = NULL;
/* Do not set lli_fid, it has been initialized already. */
fid_zero(&lli->lli_pfid);
INIT_LIST_HEAD(&lli->lli_close_list);
lli->lli_pending_och = NULL;
lli->lli_mds_read_och = NULL;
lli->lli_mds_write_och = NULL;
lli->lli_mds_exec_och = NULL;
@@ -941,6 +919,8 @@ int ll_fill_super(struct super_block *sb, struct vfsmount *mnt)
/* connections, registrations, sb setup */
err = client_common_fill_super(sb, md, dt, mnt);
if (!err)
sbi->ll_client_common_fill_super_succeeded = 1;
out_free:
kfree(md);
@@ -1002,7 +982,7 @@ void ll_put_super(struct super_block *sb)
}
}
if (sbi->ll_lcq) {
if (sbi->ll_client_common_fill_super_succeeded) {
/* Only if client_common_fill_super succeeded */
client_common_put_super(sb);
}
@@ -1272,9 +1252,6 @@ void ll_clear_inode(struct inode *inode)
LASSERT(lli->lli_opendir_pid == 0);
}
spin_lock(&lli->lli_lock);
ll_i2info(inode)->lli_flags &= ~LLIF_MDS_SIZE_LOCK;
spin_unlock(&lli->lli_lock);
md_null_inode(sbi->ll_md_exp, ll_inode2fid(inode));
LASSERT(!lli->lli_open_fd_write_count);
@@ -1369,48 +1346,12 @@ static int ll_md_setattr(struct dentry *dentry, struct md_op_data *op_data,
rc = simple_setattr(dentry, &op_data->op_attr);
op_data->op_attr.ia_valid = ia_valid;
/* Extract epoch data if obtained. */
op_data->op_handle = md.body->mbo_handle;
op_data->op_ioepoch = md.body->mbo_ioepoch;
rc = ll_update_inode(inode, &md);
ptlrpc_req_finished(request);
return rc;
}
/* Close IO epoch and send Size-on-MDS attribute update. */
static int ll_setattr_done_writing(struct inode *inode,
struct md_op_data *op_data,
struct md_open_data *mod)
{
struct ll_inode_info *lli = ll_i2info(inode);
int rc = 0;
if (!S_ISREG(inode->i_mode))
return 0;
CDEBUG(D_INODE, "Epoch %llu closed on "DFID" for truncate\n",
op_data->op_ioepoch, PFID(&lli->lli_fid));
op_data->op_flags = MF_EPOCH_CLOSE;
ll_done_writing_attr(inode, op_data);
ll_pack_inode2opdata(inode, op_data, NULL);
rc = md_done_writing(ll_i2sbi(inode)->ll_md_exp, op_data, mod);
if (rc == -EAGAIN)
/* MDS has instructed us to obtain Size-on-MDS attribute
* from OSTs and send setattr to back to MDS.
*/
rc = ll_som_update(inode, op_data);
else if (rc) {
CERROR("%s: inode "DFID" mdc truncate failed: rc = %d\n",
ll_i2sbi(inode)->ll_md_exp->exp_obd->obd_name,
PFID(ll_inode2fid(inode)), rc);
}
return rc;
}
/* If this inode has objects allocated to it (lsm != NULL), then the OST
* object(s) determine the file size and mtime. Otherwise, the MDS will
* keep these values until such a time that objects are allocated for it.
@@ -1433,7 +1374,7 @@ int ll_setattr_raw(struct dentry *dentry, struct iattr *attr, bool hsm_import)
struct md_op_data *op_data = NULL;
struct md_open_data *mod = NULL;
bool file_is_released = false;
int rc = 0, rc1 = 0;
int rc = 0;
CDEBUG(D_VFSTRACE, "%s: setattr inode "DFID"(%p) from %llu to %llu, valid %x, hsm_import %d\n",
ll_get_fsname(inode->i_sb, NULL, 0), PFID(&lli->lli_fid), inode,
@@ -1536,11 +1477,6 @@ int ll_setattr_raw(struct dentry *dentry, struct iattr *attr, bool hsm_import)
memcpy(&op_data->op_attr, attr, sizeof(*attr));
/* Open epoch for truncate. */
if (exp_connect_som(ll_i2mdexp(inode)) && !hsm_import &&
(attr->ia_valid & (ATTR_SIZE | ATTR_MTIME | ATTR_MTIME_SET)))
op_data->op_flags = MF_EPOCH_OPEN;
rc = ll_md_setattr(dentry, op_data, &mod);
if (rc)
goto out;
@@ -1552,7 +1488,6 @@ int ll_setattr_raw(struct dentry *dentry, struct iattr *attr, bool hsm_import)
spin_unlock(&lli->lli_lock);
}
ll_ioepoch_open(lli, op_data->op_ioepoch);
if (!S_ISREG(inode->i_mode) || file_is_released) {
rc = 0;
goto out;
@@ -1575,12 +1510,8 @@ int ll_setattr_raw(struct dentry *dentry, struct iattr *attr, bool hsm_import)
up_write(&lli->lli_trunc_sem);
}
out:
if (op_data->op_ioepoch) {
rc1 = ll_setattr_done_writing(inode, op_data, mod);
if (!rc)
rc = rc1;
}
ll_finish_md_op_data(op_data);
if (op_data)
ll_finish_md_op_data(op_data);
if (!S_ISDIR(inode->i_mode)) {
inode_lock(inode);
@@ -1828,48 +1759,11 @@ int ll_update_inode(struct inode *inode, struct lustre_md *md)
LASSERT(fid_seq(&lli->lli_fid) != 0);
if (body->mbo_valid & OBD_MD_FLSIZE) {
if (exp_connect_som(ll_i2mdexp(inode)) &&
S_ISREG(inode->i_mode)) {
struct lustre_handle lockh;
enum ldlm_mode mode;
i_size_write(inode, body->mbo_size);
/* As it is possible a blocking ast has been processed
* by this time, we need to check there is an UPDATE
* lock on the client and set LLIF_MDS_SIZE_LOCK holding
* it.
*/
mode = ll_take_md_lock(inode, MDS_INODELOCK_UPDATE,
&lockh, LDLM_FL_CBPENDING,
LCK_CR | LCK_CW |
LCK_PR | LCK_PW);
if (mode) {
if (lli->lli_flags & (LLIF_DONE_WRITING |
LLIF_EPOCH_PENDING |
LLIF_SOM_DIRTY)) {
CERROR("%s: inode "DFID" flags %u still has size authority! do not trust the size got from MDS\n",
sbi->ll_md_exp->exp_obd->obd_name,
PFID(ll_inode2fid(inode)),
lli->lli_flags);
} else {
/* Use old size assignment to avoid
* deadlock bz14138 & bz14326
*/
i_size_write(inode, body->mbo_size);
spin_lock(&lli->lli_lock);
lli->lli_flags |= LLIF_MDS_SIZE_LOCK;
spin_unlock(&lli->lli_lock);
}
ldlm_lock_decref(&lockh, mode);
}
} else {
/* Use old size assignment to avoid
* deadlock bz14138 & bz14326
*/
i_size_write(inode, body->mbo_size);
CDEBUG(D_VFSTRACE, "inode=%lu, updating i_size %llu\n",
inode->i_ino, (unsigned long long)body->mbo_size);
}
CDEBUG(D_VFSTRACE, "inode=" DFID ", updating i_size %llu\n",
PFID(ll_inode2fid(inode)),
(unsigned long long)body->mbo_size);
if (body->mbo_valid & OBD_MD_FLBLOCKS)
inode->i_blocks = body->mbo_blocks;
@@ -2164,7 +2058,6 @@ void ll_open_cleanup(struct super_block *sb, struct ptlrpc_request *open_req)
return;
op_data->op_fid1 = body->mbo_fid1;
op_data->op_ioepoch = body->mbo_ioepoch;
op_data->op_handle = body->mbo_handle;
op_data->op_mod_time = get_seconds();
md_close(exp, op_data, NULL, &close_req);

8
drivers/staging/lustre/lustre/llite/namei.c
View File

@@ -254,14 +254,6 @@ int ll_md_blocking_ast(struct ldlm_lock *lock, struct ldlm_lock_desc *desc,
PFID(ll_inode2fid(inode)), rc);
}
if (bits & MDS_INODELOCK_UPDATE) {
struct ll_inode_info *lli = ll_i2info(inode);
spin_lock(&lli->lli_lock);
lli->lli_flags &= ~LLIF_MDS_SIZE_LOCK;
spin_unlock(&lli->lli_lock);
}
if ((bits & MDS_INODELOCK_UPDATE) && S_ISDIR(inode->i_mode)) {
struct ll_inode_info *lli = ll_i2info(inode);

3
drivers/staging/lustre/lustre/llite/vvp_dev.c
View File

@@ -521,11 +521,10 @@ static void vvp_pgcache_page_show(const struct lu_env *env,
vpg = cl2vvp_page(cl_page_at(page, &vvp_device_type));
vmpage = vpg->vpg_page;
seq_printf(seq, " %5i | %p %p %s %s %s %s | %p "DFID"(%p) %lu %u [",
seq_printf(seq, " %5i | %p %p %s %s %s | %p " DFID "(%p) %lu %u [",
0 /* gen */,
vpg, page,
"none",
vpg->vpg_write_queued ? "wq" : "- ",
vpg->vpg_defer_uptodate ? "du" : "- ",
PageWriteback(vmpage) ? "wb" : "-",
vmpage, PFID(ll_inode2fid(vmpage->mapping->host)),

18
drivers/staging/lustre/lustre/llite/vvp_internal.h
View File

@@ -194,14 +194,6 @@ struct vvp_object {
struct cl_object vob_cl;
struct inode *vob_inode;
/**
* A list of dirty pages pending IO in the cache. Used by
* SOM. Protected by ll_inode_info::lli_lock.
*
* \see vvp_page::vpg_pending_linkage
*/
struct list_head vob_pending_list;
/**
* Number of transient pages. This is no longer protected by i_sem,
* and needs to be atomic. This is not actually used for anything,
@@ -235,15 +227,7 @@ struct vvp_object {
struct vvp_page {
struct cl_page_slice vpg_cl;
unsigned int vpg_defer_uptodate:1,
vpg_ra_used:1,
vpg_write_queued:1;
/**
* Non-empty iff this page is already counted in
* 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.
*/
struct list_head vpg_pending_linkage;
vpg_ra_used:1;
/** VM page */
struct page *vpg_page;
};

11
drivers/staging/lustre/lustre/llite/vvp_io.c
View File

@@ -770,16 +770,11 @@ static int vvp_io_commit_sync(const struct lu_env *env, struct cl_io *io,
static void write_commit_callback(const struct lu_env *env, struct cl_io *io,
struct cl_page *page)
{
struct vvp_page *vpg;
struct page *vmpage = page->cp_vmpage;
struct cl_object *clob = cl_io_top(io)->ci_obj;
SetPageUptodate(vmpage);
set_page_dirty(vmpage);
vpg = cl2vvp_page(cl_object_page_slice(clob, page));
vvp_write_pending(cl2vvp(clob), vpg);
cl_page_disown(env, io, page);
/* held in ll_cl_init() */
@@ -1014,13 +1009,7 @@ static int vvp_io_kernel_fault(struct vvp_fault_io *cfio)
static void mkwrite_commit_callback(const struct lu_env *env, struct cl_io *io,
struct cl_page *page)
{
struct vvp_page *vpg;
struct cl_object *clob = cl_io_top(io)->ci_obj;
set_page_dirty(page->cp_vmpage);
vpg = cl2vvp_page(cl_object_page_slice(clob, page));
vvp_write_pending(cl2vvp(clob), vpg);
}
static int vvp_io_fault_start(const struct lu_env *env,

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

@@ -65,8 +65,7 @@ static int vvp_object_print(const struct lu_env *env, void *cookie,
struct inode *inode = obj->vob_inode;
struct ll_inode_info *lli;
(*p)(env, cookie, "(%s %d %d) inode: %p ",
list_empty(&obj->vob_pending_list) ? "-" : "+",
(*p)(env, cookie, "(%d %d) inode: %p ",
atomic_read(&obj->vob_transient_pages),
atomic_read(&obj->vob_mmap_cnt), inode);
if (inode) {
@@ -240,7 +239,6 @@ static int vvp_object_init(const struct lu_env *env, struct lu_object *obj,
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 {

24
drivers/staging/lustre/lustre/llite/vvp_page.c
View File

@@ -162,8 +162,6 @@ static void vvp_page_delete(const struct lu_env *env,
LASSERT((struct cl_page *)vmpage->private == page);
LASSERT(inode == vvp_object_inode(obj));
vvp_write_complete(cl2vvp(obj), cl2vvp_page(slice));
/* Drop the reference count held in vvp_page_init */
refc = atomic_dec_return(&page->cp_ref);
LASSERTF(refc >= 1, "page = %p, refc = %d\n", page, refc);
@@ -221,8 +219,6 @@ static int vvp_page_prep_write(const struct lu_env *env,
if (!pg->cp_sync_io)
set_page_writeback(vmpage);
vvp_write_pending(cl2vvp(slice->cpl_obj), cl2vvp_page(slice));
return 0;
}
@@ -287,19 +283,6 @@ static void vvp_page_completion_write(const struct lu_env *env,
CL_PAGE_HEADER(D_PAGE, env, pg, "completing WRITE with %d\n", ioret);
/*
* TODO: Actually it makes sense to add the page into oap pending
* list again and so that we don't need to take the page out from
* SoM write pending list, if we just meet a recoverable error,
* -ENOMEM, etc.
* To implement this, we just need to return a non zero value in
* ->cpo_completion method. The underlying transfer should be notified
* and then re-add the page into pending transfer queue. -jay
*/
vpg->vpg_write_queued = 0;
vvp_write_complete(cl2vvp(slice->cpl_obj), vpg);
if (pg->cp_sync_io) {
LASSERT(PageLocked(vmpage));
LASSERT(!PageWriteback(vmpage));
@@ -341,7 +324,6 @@ 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(cl2vvp(slice->cpl_obj), cl2vvp_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
@@ -378,9 +360,8 @@ static int vvp_page_print(const struct lu_env *env,
struct vvp_page *vpg = cl2vvp_page(slice);
struct page *vmpage = vpg->vpg_page;
(*printer)(env, cookie, LUSTRE_VVP_NAME "-page@%p(%d:%d:%d) vm@%p ",
vpg, vpg->vpg_defer_uptodate, vpg->vpg_ra_used,
vpg->vpg_write_queued, vmpage);
(*printer)(env, cookie, LUSTRE_VVP_NAME "-page@%p(%d:%d) vm@%p ",
vpg, vpg->vpg_defer_uptodate, vpg->vpg_ra_used, vmpage);
if (vmpage) {
(*printer)(env, cookie, "%lx %d:%d %lx %lu %slru",
(long)vmpage->flags, page_count(vmpage),
@@ -539,7 +520,6 @@ int vvp_page_init(const struct lu_env *env, struct cl_object *obj,
vpg->vpg_page = vmpage;
get_page(vmpage);
INIT_LIST_HEAD(&vpg->vpg_pending_linkage);
if (page->cp_type == CPT_CACHEABLE) {
/* in cache, decref in vvp_page_delete */
atomic_inc(&page->cp_ref);

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

@@ -56,8 +56,6 @@ static inline struct vvp_req *cl2vvp_req(const struct cl_req_slice *slice)
*
* - o_parent_ver
*
* - o_ioepoch,
*
*/
static void vvp_req_attr_set(const struct lu_env *env,
const struct cl_req_slice *slice,
@@ -72,14 +70,9 @@ static void vvp_req_attr_set(const struct lu_env *env,
inode = vvp_object_inode(obj);
valid_flags = OBD_MD_FLTYPE;
if (slice->crs_req->crq_type == CRT_WRITE) {
if (flags & OBD_MD_FLEPOCH) {
oa->o_valid |= OBD_MD_FLEPOCH;
oa->o_ioepoch = ll_i2info(inode)->lli_ioepoch;
valid_flags |= OBD_MD_FLMTIME | OBD_MD_FLCTIME |
OBD_MD_FLUID | OBD_MD_FLGID;
}
}
if (slice->crs_req->crq_type == CRT_WRITE)
valid_flags |= OBD_MD_FLMTIME | OBD_MD_FLCTIME |
OBD_MD_FLUID | OBD_MD_FLGID;
obdo_from_inode(oa, inode, valid_flags & flags);
obdo_set_parent_fid(oa, &ll_i2info(inode)->lli_fid);
if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_INVALID_PFID))