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Message-Id: <20240125-flsplit-v2-36-7485322b62c7@kernel.org>
Date: Thu, 25 Jan 2024 05:43:17 -0500
From: Jeff Layton <jlayton@...nel.org>
To: Christian Brauner <brauner@...nel.org>,
Alexander Viro <viro@...iv.linux.org.uk>,
Eric Van Hensbergen <ericvh@...nel.org>,
Latchesar Ionkov <lucho@...kov.net>,
Dominique Martinet <asmadeus@...ewreck.org>,
Christian Schoenebeck <linux_oss@...debyte.com>,
David Howells <dhowells@...hat.com>, Marc Dionne <marc.dionne@...istor.com>,
Xiubo Li <xiubli@...hat.com>, Ilya Dryomov <idryomov@...il.com>,
Alexander Aring <aahringo@...hat.com>, David Teigland <teigland@...hat.com>,
Miklos Szeredi <miklos@...redi.hu>,
Andreas Gruenbacher <agruenba@...hat.com>,
Trond Myklebust <trond.myklebust@...merspace.com>,
Anna Schumaker <anna@...nel.org>, Chuck Lever <chuck.lever@...cle.com>,
Neil Brown <neilb@...e.de>, Olga Kornievskaia <kolga@...app.com>,
Dai Ngo <Dai.Ngo@...cle.com>, Tom Talpey <tom@...pey.com>,
Jan Kara <jack@...e.cz>, Mark Fasheh <mark@...heh.com>,
Joel Becker <jlbec@...lplan.org>, Joseph Qi <joseph.qi@...ux.alibaba.com>,
Steve French <sfrench@...ba.org>, Paulo Alcantara <pc@...guebit.com>,
Shyam Prasad N <sprasad@...rosoft.com>, Namjae Jeon <linkinjeon@...nel.org>,
Sergey Senozhatsky <senozhatsky@...omium.org>,
Steven Rostedt <rostedt@...dmis.org>,
Masami Hiramatsu <mhiramat@...nel.org>,
Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
Ronnie Sahlberg <ronniesahlberg@...il.com>
Cc: linux-kernel@...r.kernel.org, v9fs@...ts.linux.dev,
linux-afs@...ts.infradead.org, ceph-devel@...r.kernel.org,
gfs2@...ts.linux.dev, linux-fsdevel@...r.kernel.org,
linux-nfs@...r.kernel.org, ocfs2-devel@...ts.linux.dev,
linux-cifs@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
Jeff Layton <jlayton@...nel.org>
Subject: [PATCH v2 36/41] nfsd: adapt to breakup of struct file_lock
Most of the existing APIs have remained the same, but subsystems that
access file_lock fields directly need to reach into struct
file_lock_core now.
Signed-off-by: Jeff Layton <jlayton@...nel.org>
---
fs/nfsd/filecache.c | 4 +--
fs/nfsd/netns.h | 1 -
fs/nfsd/nfs4callback.c | 2 +-
fs/nfsd/nfs4layouts.c | 15 +++++-----
fs/nfsd/nfs4state.c | 77 +++++++++++++++++++++++++-------------------------
5 files changed, 50 insertions(+), 49 deletions(-)
diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c
index 9cb7f0c33df5..cdd36758c692 100644
--- a/fs/nfsd/filecache.c
+++ b/fs/nfsd/filecache.c
@@ -662,8 +662,8 @@ nfsd_file_lease_notifier_call(struct notifier_block *nb, unsigned long arg,
struct file_lock *fl = data;
/* Only close files for F_SETLEASE leases */
- if (fl->fl_flags & FL_LEASE)
- nfsd_file_close_inode(file_inode(fl->fl_file));
+ if (fl->fl_core.flc_flags & FL_LEASE)
+ nfsd_file_close_inode(file_inode(fl->fl_core.flc_file));
return 0;
}
diff --git a/fs/nfsd/netns.h b/fs/nfsd/netns.h
index fd91125208be..74b4360779a1 100644
--- a/fs/nfsd/netns.h
+++ b/fs/nfsd/netns.h
@@ -10,7 +10,6 @@
#include <net/net_namespace.h>
#include <net/netns/generic.h>
-#define _NEED_FILE_LOCK_FIELD_MACROS
#include <linux/filelock.h>
#include <linux/percpu_counter.h>
#include <linux/siphash.h>
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 926c29879c6a..3513c94481b4 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -674,7 +674,7 @@ static void nfs4_xdr_enc_cb_notify_lock(struct rpc_rqst *req,
const struct nfsd4_callback *cb = data;
const struct nfsd4_blocked_lock *nbl =
container_of(cb, struct nfsd4_blocked_lock, nbl_cb);
- struct nfs4_lockowner *lo = (struct nfs4_lockowner *)nbl->nbl_lock.fl_owner;
+ struct nfs4_lockowner *lo = (struct nfs4_lockowner *)nbl->nbl_lock.fl_core.flc_owner;
struct nfs4_cb_compound_hdr hdr = {
.ident = 0,
.minorversion = cb->cb_clp->cl_minorversion,
diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c
index 5e8096bc5eaa..ddf221d31acf 100644
--- a/fs/nfsd/nfs4layouts.c
+++ b/fs/nfsd/nfs4layouts.c
@@ -193,14 +193,15 @@ nfsd4_layout_setlease(struct nfs4_layout_stateid *ls)
return -ENOMEM;
locks_init_lock(fl);
fl->fl_lmops = &nfsd4_layouts_lm_ops;
- fl->fl_flags = FL_LAYOUT;
- fl->fl_type = F_RDLCK;
+ fl->fl_core.flc_flags = FL_LAYOUT;
+ fl->fl_core.flc_type = F_RDLCK;
fl->fl_end = OFFSET_MAX;
- fl->fl_owner = ls;
- fl->fl_pid = current->tgid;
- fl->fl_file = ls->ls_file->nf_file;
+ fl->fl_core.flc_owner = ls;
+ fl->fl_core.flc_pid = current->tgid;
+ fl->fl_core.flc_file = ls->ls_file->nf_file;
- status = vfs_setlease(fl->fl_file, fl->fl_type, &fl, NULL);
+ status = vfs_setlease(fl->fl_core.flc_file, fl->fl_core.flc_type, &fl,
+ NULL);
if (status) {
locks_free_lock(fl);
return status;
@@ -731,7 +732,7 @@ nfsd4_layout_lm_break(struct file_lock *fl)
* in time:
*/
fl->fl_break_time = 0;
- nfsd4_recall_file_layout(fl->fl_owner);
+ nfsd4_recall_file_layout(fl->fl_core.flc_owner);
return false;
}
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index f66e67394157..5899e5778fe7 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -4924,7 +4924,7 @@ static void nfsd_break_one_deleg(struct nfs4_delegation *dp)
static bool
nfsd_break_deleg_cb(struct file_lock *fl)
{
- struct nfs4_delegation *dp = (struct nfs4_delegation *)fl->fl_owner;
+ struct nfs4_delegation *dp = (struct nfs4_delegation *) fl->fl_core.flc_owner;
struct nfs4_file *fp = dp->dl_stid.sc_file;
struct nfs4_client *clp = dp->dl_stid.sc_client;
struct nfsd_net *nn;
@@ -4962,7 +4962,7 @@ nfsd_break_deleg_cb(struct file_lock *fl)
*/
static bool nfsd_breaker_owns_lease(struct file_lock *fl)
{
- struct nfs4_delegation *dl = fl->fl_owner;
+ struct nfs4_delegation *dl = fl->fl_core.flc_owner;
struct svc_rqst *rqst;
struct nfs4_client *clp;
@@ -4980,7 +4980,7 @@ static int
nfsd_change_deleg_cb(struct file_lock *onlist, int arg,
struct list_head *dispose)
{
- struct nfs4_delegation *dp = (struct nfs4_delegation *)onlist->fl_owner;
+ struct nfs4_delegation *dp = (struct nfs4_delegation *) onlist->fl_core.flc_owner;
struct nfs4_client *clp = dp->dl_stid.sc_client;
if (arg & F_UNLCK) {
@@ -5340,12 +5340,12 @@ static struct file_lock *nfs4_alloc_init_lease(struct nfs4_delegation *dp,
if (!fl)
return NULL;
fl->fl_lmops = &nfsd_lease_mng_ops;
- fl->fl_flags = FL_DELEG;
- fl->fl_type = flag == NFS4_OPEN_DELEGATE_READ? F_RDLCK: F_WRLCK;
+ fl->fl_core.flc_flags = FL_DELEG;
+ fl->fl_core.flc_type = flag == NFS4_OPEN_DELEGATE_READ? F_RDLCK: F_WRLCK;
fl->fl_end = OFFSET_MAX;
- fl->fl_owner = (fl_owner_t)dp;
- fl->fl_pid = current->tgid;
- fl->fl_file = dp->dl_stid.sc_file->fi_deleg_file->nf_file;
+ fl->fl_core.flc_owner = (fl_owner_t)dp;
+ fl->fl_core.flc_pid = current->tgid;
+ fl->fl_core.flc_file = dp->dl_stid.sc_file->fi_deleg_file->nf_file;
return fl;
}
@@ -5533,7 +5533,8 @@ nfs4_set_delegation(struct nfsd4_open *open, struct nfs4_ol_stateid *stp,
if (!fl)
goto out_clnt_odstate;
- status = vfs_setlease(fp->fi_deleg_file->nf_file, fl->fl_type, &fl, NULL);
+ status = vfs_setlease(fp->fi_deleg_file->nf_file,
+ fl->fl_core.flc_type, &fl, NULL);
if (fl)
locks_free_lock(fl);
if (status)
@@ -7149,7 +7150,7 @@ nfsd4_lm_put_owner(fl_owner_t owner)
static bool
nfsd4_lm_lock_expirable(struct file_lock *cfl)
{
- struct nfs4_lockowner *lo = (struct nfs4_lockowner *)cfl->fl_owner;
+ struct nfs4_lockowner *lo = (struct nfs4_lockowner *) cfl->fl_core.flc_owner;
struct nfs4_client *clp = lo->lo_owner.so_client;
struct nfsd_net *nn;
@@ -7171,7 +7172,7 @@ nfsd4_lm_expire_lock(void)
static void
nfsd4_lm_notify(struct file_lock *fl)
{
- struct nfs4_lockowner *lo = (struct nfs4_lockowner *)fl->fl_owner;
+ struct nfs4_lockowner *lo = (struct nfs4_lockowner *) fl->fl_core.flc_owner;
struct net *net = lo->lo_owner.so_client->net;
struct nfsd_net *nn = net_generic(net, nfsd_net_id);
struct nfsd4_blocked_lock *nbl = container_of(fl,
@@ -7208,7 +7209,7 @@ nfs4_set_lock_denied(struct file_lock *fl, struct nfsd4_lock_denied *deny)
struct nfs4_lockowner *lo;
if (fl->fl_lmops == &nfsd_posix_mng_ops) {
- lo = (struct nfs4_lockowner *) fl->fl_owner;
+ lo = (struct nfs4_lockowner *) fl->fl_core.flc_owner;
xdr_netobj_dup(&deny->ld_owner, &lo->lo_owner.so_owner,
GFP_KERNEL);
if (!deny->ld_owner.data)
@@ -7227,7 +7228,7 @@ nfs4_set_lock_denied(struct file_lock *fl, struct nfsd4_lock_denied *deny)
if (fl->fl_end != NFS4_MAX_UINT64)
deny->ld_length = fl->fl_end - fl->fl_start + 1;
deny->ld_type = NFS4_READ_LT;
- if (fl->fl_type != F_RDLCK)
+ if (fl->fl_core.flc_type != F_RDLCK)
deny->ld_type = NFS4_WRITE_LT;
}
@@ -7615,11 +7616,11 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
}
file_lock = &nbl->nbl_lock;
- file_lock->fl_type = type;
- file_lock->fl_owner = (fl_owner_t)lockowner(nfs4_get_stateowner(&lock_sop->lo_owner));
- file_lock->fl_pid = current->tgid;
- file_lock->fl_file = nf->nf_file;
- file_lock->fl_flags = flags;
+ file_lock->fl_core.flc_type = type;
+ file_lock->fl_core.flc_owner = (fl_owner_t)lockowner(nfs4_get_stateowner(&lock_sop->lo_owner));
+ file_lock->fl_core.flc_pid = current->tgid;
+ file_lock->fl_core.flc_file = nf->nf_file;
+ file_lock->fl_core.flc_flags = flags;
file_lock->fl_lmops = &nfsd_posix_mng_ops;
file_lock->fl_start = lock->lk_offset;
file_lock->fl_end = last_byte_offset(lock->lk_offset, lock->lk_length);
@@ -7737,9 +7738,9 @@ static __be32 nfsd_test_lock(struct svc_rqst *rqstp, struct svc_fh *fhp, struct
err = nfserrno(nfsd_open_break_lease(inode, NFSD_MAY_READ));
if (err)
goto out;
- lock->fl_file = nf->nf_file;
+ lock->fl_core.flc_file = nf->nf_file;
err = nfserrno(vfs_test_lock(nf->nf_file, lock));
- lock->fl_file = NULL;
+ lock->fl_core.flc_file = NULL;
out:
inode_unlock(inode);
nfsd_file_put(nf);
@@ -7784,11 +7785,11 @@ nfsd4_lockt(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
switch (lockt->lt_type) {
case NFS4_READ_LT:
case NFS4_READW_LT:
- file_lock->fl_type = F_RDLCK;
+ file_lock->fl_core.flc_type = F_RDLCK;
break;
case NFS4_WRITE_LT:
case NFS4_WRITEW_LT:
- file_lock->fl_type = F_WRLCK;
+ file_lock->fl_core.flc_type = F_WRLCK;
break;
default:
dprintk("NFSD: nfs4_lockt: bad lock type!\n");
@@ -7798,9 +7799,9 @@ nfsd4_lockt(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
lo = find_lockowner_str(cstate->clp, &lockt->lt_owner);
if (lo)
- file_lock->fl_owner = (fl_owner_t)lo;
- file_lock->fl_pid = current->tgid;
- file_lock->fl_flags = FL_POSIX;
+ file_lock->fl_core.flc_owner = (fl_owner_t)lo;
+ file_lock->fl_core.flc_pid = current->tgid;
+ file_lock->fl_core.flc_flags = FL_POSIX;
file_lock->fl_start = lockt->lt_offset;
file_lock->fl_end = last_byte_offset(lockt->lt_offset, lockt->lt_length);
@@ -7811,7 +7812,7 @@ nfsd4_lockt(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
if (status)
goto out;
- if (file_lock->fl_type != F_UNLCK) {
+ if (file_lock->fl_core.flc_type != F_UNLCK) {
status = nfserr_denied;
nfs4_set_lock_denied(file_lock, &lockt->lt_denied);
}
@@ -7867,11 +7868,11 @@ nfsd4_locku(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
goto put_file;
}
- file_lock->fl_type = F_UNLCK;
- file_lock->fl_owner = (fl_owner_t)lockowner(nfs4_get_stateowner(stp->st_stateowner));
- file_lock->fl_pid = current->tgid;
- file_lock->fl_file = nf->nf_file;
- file_lock->fl_flags = FL_POSIX;
+ file_lock->fl_core.flc_type = F_UNLCK;
+ file_lock->fl_core.flc_owner = (fl_owner_t)lockowner(nfs4_get_stateowner(stp->st_stateowner));
+ file_lock->fl_core.flc_pid = current->tgid;
+ file_lock->fl_core.flc_file = nf->nf_file;
+ file_lock->fl_core.flc_flags = FL_POSIX;
file_lock->fl_lmops = &nfsd_posix_mng_ops;
file_lock->fl_start = locku->lu_offset;
@@ -7926,8 +7927,8 @@ check_for_locks(struct nfs4_file *fp, struct nfs4_lockowner *lowner)
if (flctx && !list_empty_careful(&flctx->flc_posix)) {
spin_lock(&flctx->flc_lock);
- list_for_each_entry(fl, &flctx->flc_posix, fl_list) {
- if (fl->fl_owner == (fl_owner_t)lowner) {
+ list_for_each_entry(fl, &flctx->flc_posix, fl_core.flc_list) {
+ if (fl->fl_core.flc_owner == (fl_owner_t)lowner) {
status = true;
break;
}
@@ -8455,8 +8456,8 @@ nfsd4_deleg_getattr_conflict(struct svc_rqst *rqstp, struct inode *inode)
if (!ctx)
return 0;
spin_lock(&ctx->flc_lock);
- list_for_each_entry(fl, &ctx->flc_lease, fl_list) {
- if (fl->fl_flags == FL_LAYOUT)
+ list_for_each_entry(fl, &ctx->flc_lease, fl_core.flc_list) {
+ if (fl->fl_core.flc_flags == FL_LAYOUT)
continue;
if (fl->fl_lmops != &nfsd_lease_mng_ops) {
/*
@@ -8464,12 +8465,12 @@ nfsd4_deleg_getattr_conflict(struct svc_rqst *rqstp, struct inode *inode)
* we are done; there isn't any write delegation
* on this inode
*/
- if (fl->fl_type == F_RDLCK)
+ if (fl->fl_core.flc_type == F_RDLCK)
break;
goto break_lease;
}
- if (fl->fl_type == F_WRLCK) {
- dp = fl->fl_owner;
+ if (fl->fl_core.flc_type == F_WRLCK) {
+ dp = fl->fl_core.flc_owner;
if (dp->dl_recall.cb_clp == *(rqstp->rq_lease_breaker)) {
spin_unlock(&ctx->flc_lock);
return 0;
--
2.43.0
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