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-rw-r--r--fs/nfsd/Kconfig1
-rw-r--r--fs/nfsd/nfs3xdr.c6
-rw-r--r--fs/nfsd/nfs4state.c70
-rw-r--r--fs/nfsd/nfsctl.c8
-rw-r--r--fs/nfsd/vfs.c16
-rw-r--r--fs/nfsd/xdr4.h21
6 files changed, 55 insertions, 67 deletions
diff --git a/fs/nfsd/Kconfig b/fs/nfsd/Kconfig
index 31a78fce473..18b3e8975fe 100644
--- a/fs/nfsd/Kconfig
+++ b/fs/nfsd/Kconfig
@@ -2,7 +2,6 @@ config NFSD
tristate "NFS server support"
depends on INET
depends on FILE_LOCKING
- depends on BKL # fix as soon as lockd is done
select LOCKD
select SUNRPC
select EXPORTFS
diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c
index 2a533a0af2a..7e84a852cda 100644
--- a/fs/nfsd/nfs3xdr.c
+++ b/fs/nfsd/nfs3xdr.c
@@ -260,9 +260,11 @@ void fill_post_wcc(struct svc_fh *fhp)
err = vfs_getattr(fhp->fh_export->ex_path.mnt, fhp->fh_dentry,
&fhp->fh_post_attr);
fhp->fh_post_change = fhp->fh_dentry->d_inode->i_version;
- if (err)
+ if (err) {
fhp->fh_post_saved = 0;
- else
+ /* Grab the ctime anyway - set_change_info might use it */
+ fhp->fh_post_attr.ctime = fhp->fh_dentry->d_inode->i_ctime;
+ } else
fhp->fh_post_saved = 1;
}
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 9019e8ec9dc..116cab970e0 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -673,16 +673,17 @@ static void nfsd4_hash_conn(struct nfsd4_conn *conn, struct nfsd4_session *ses)
spin_unlock(&clp->cl_lock);
}
-static void nfsd4_register_conn(struct nfsd4_conn *conn)
+static int nfsd4_register_conn(struct nfsd4_conn *conn)
{
conn->cn_xpt_user.callback = nfsd4_conn_lost;
- register_xpt_user(conn->cn_xprt, &conn->cn_xpt_user);
+ return register_xpt_user(conn->cn_xprt, &conn->cn_xpt_user);
}
static __be32 nfsd4_new_conn(struct svc_rqst *rqstp, struct nfsd4_session *ses)
{
struct nfsd4_conn *conn;
u32 flags = NFS4_CDFC4_FORE;
+ int ret;
if (ses->se_flags & SESSION4_BACK_CHAN)
flags |= NFS4_CDFC4_BACK;
@@ -690,7 +691,10 @@ static __be32 nfsd4_new_conn(struct svc_rqst *rqstp, struct nfsd4_session *ses)
if (!conn)
return nfserr_jukebox;
nfsd4_hash_conn(conn, ses);
- nfsd4_register_conn(conn);
+ ret = nfsd4_register_conn(conn);
+ if (ret)
+ /* oops; xprt is already down: */
+ nfsd4_conn_lost(&conn->cn_xpt_user);
return nfs_ok;
}
@@ -1644,6 +1648,7 @@ static void nfsd4_sequence_check_conn(struct nfsd4_conn *new, struct nfsd4_sessi
{
struct nfs4_client *clp = ses->se_client;
struct nfsd4_conn *c;
+ int ret;
spin_lock(&clp->cl_lock);
c = __nfsd4_find_conn(new->cn_xprt, ses);
@@ -1654,7 +1659,10 @@ static void nfsd4_sequence_check_conn(struct nfsd4_conn *new, struct nfsd4_sessi
}
__nfsd4_hash_conn(new, ses);
spin_unlock(&clp->cl_lock);
- nfsd4_register_conn(new);
+ ret = nfsd4_register_conn(new);
+ if (ret)
+ /* oops; xprt is already down: */
+ nfsd4_conn_lost(&new->cn_xpt_user);
return;
}
@@ -2254,7 +2262,7 @@ nfs4_file_downgrade(struct nfs4_file *fp, unsigned int share_access)
* Spawn a thread to perform a recall on the delegation represented
* by the lease (file_lock)
*
- * Called from break_lease() with lock_kernel() held.
+ * Called from break_lease() with lock_flocks() held.
* Note: we assume break_lease will only call this *once* for any given
* lease.
*/
@@ -2278,7 +2286,7 @@ void nfsd_break_deleg_cb(struct file_lock *fl)
list_add_tail(&dp->dl_recall_lru, &del_recall_lru);
spin_unlock(&recall_lock);
- /* only place dl_time is set. protected by lock_kernel*/
+ /* only place dl_time is set. protected by lock_flocks*/
dp->dl_time = get_seconds();
/*
@@ -2295,7 +2303,7 @@ void nfsd_break_deleg_cb(struct file_lock *fl)
/*
* The file_lock is being reapd.
*
- * Called by locks_free_lock() with lock_kernel() held.
+ * Called by locks_free_lock() with lock_flocks() held.
*/
static
void nfsd_release_deleg_cb(struct file_lock *fl)
@@ -2310,23 +2318,7 @@ void nfsd_release_deleg_cb(struct file_lock *fl)
}
/*
- * Set the delegation file_lock back pointer.
- *
- * Called from setlease() with lock_kernel() held.
- */
-static
-void nfsd_copy_lock_deleg_cb(struct file_lock *new, struct file_lock *fl)
-{
- struct nfs4_delegation *dp = (struct nfs4_delegation *)new->fl_owner;
-
- dprintk("NFSD: nfsd_copy_lock_deleg_cb: new fl %p dp %p\n", new, dp);
- if (!dp)
- return;
- dp->dl_flock = new;
-}
-
-/*
- * Called from setlease() with lock_kernel() held
+ * Called from setlease() with lock_flocks() held
*/
static
int nfsd_same_client_deleg_cb(struct file_lock *onlist, struct file_lock *try)
@@ -2355,7 +2347,6 @@ int nfsd_change_deleg_cb(struct file_lock **onlist, int arg)
static const struct lock_manager_operations nfsd_lease_mng_ops = {
.fl_break = nfsd_break_deleg_cb,
.fl_release_private = nfsd_release_deleg_cb,
- .fl_copy_lock = nfsd_copy_lock_deleg_cb,
.fl_mylease = nfsd_same_client_deleg_cb,
.fl_change = nfsd_change_deleg_cb,
};
@@ -2614,7 +2605,7 @@ nfs4_open_delegation(struct svc_fh *fh, struct nfsd4_open *open, struct nfs4_sta
struct nfs4_delegation *dp;
struct nfs4_stateowner *sop = stp->st_stateowner;
int cb_up = atomic_read(&sop->so_client->cl_cb_set);
- struct file_lock fl, *flp = &fl;
+ struct file_lock *fl;
int status, flag = 0;
flag = NFS4_OPEN_DELEGATE_NONE;
@@ -2648,21 +2639,28 @@ nfs4_open_delegation(struct svc_fh *fh, struct nfsd4_open *open, struct nfs4_sta
flag = NFS4_OPEN_DELEGATE_NONE;
goto out;
}
- locks_init_lock(&fl);
- fl.fl_lmops = &nfsd_lease_mng_ops;
- fl.fl_flags = FL_LEASE;
- fl.fl_type = flag == NFS4_OPEN_DELEGATE_READ? F_RDLCK: F_WRLCK;
- fl.fl_end = OFFSET_MAX;
- fl.fl_owner = (fl_owner_t)dp;
- fl.fl_file = find_readable_file(stp->st_file);
- BUG_ON(!fl.fl_file);
- fl.fl_pid = current->tgid;
+ status = -ENOMEM;
+ fl = locks_alloc_lock();
+ if (!fl)
+ goto out;
+ locks_init_lock(fl);
+ fl->fl_lmops = &nfsd_lease_mng_ops;
+ fl->fl_flags = FL_LEASE;
+ fl->fl_type = flag == NFS4_OPEN_DELEGATE_READ? F_RDLCK: F_WRLCK;
+ fl->fl_end = OFFSET_MAX;
+ fl->fl_owner = (fl_owner_t)dp;
+ fl->fl_file = find_readable_file(stp->st_file);
+ BUG_ON(!fl->fl_file);
+ fl->fl_pid = current->tgid;
+ dp->dl_flock = fl;
/* vfs_setlease checks to see if delegation should be handed out.
* the lock_manager callbacks fl_mylease and fl_change are used
*/
- if ((status = vfs_setlease(fl.fl_file, fl.fl_type, &flp))) {
+ if ((status = vfs_setlease(fl->fl_file, fl->fl_type, &fl))) {
dprintk("NFSD: setlease failed [%d], no delegation\n", status);
+ dp->dl_flock = NULL;
+ locks_free_lock(fl);
unhash_delegation(dp);
flag = NFS4_OPEN_DELEGATE_NONE;
goto out;
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index d6dc3f61f8b..4514ebbee4d 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -1405,16 +1405,16 @@ static int nfsd_fill_super(struct super_block * sb, void * data, int silent)
return simple_fill_super(sb, 0x6e667364, nfsd_files);
}
-static int nfsd_get_sb(struct file_system_type *fs_type,
- int flags, const char *dev_name, void *data, struct vfsmount *mnt)
+static struct dentry *nfsd_mount(struct file_system_type *fs_type,
+ int flags, const char *dev_name, void *data)
{
- return get_sb_single(fs_type, flags, data, nfsd_fill_super, mnt);
+ return mount_single(fs_type, flags, data, nfsd_fill_super);
}
static struct file_system_type nfsd_fs_type = {
.owner = THIS_MODULE,
.name = "nfsd",
- .get_sb = nfsd_get_sb,
+ .mount = nfsd_mount,
.kill_sb = kill_litter_super,
};
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 661a6cf8e82..184938fcff0 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -281,23 +281,13 @@ commit_metadata(struct svc_fh *fhp)
{
struct inode *inode = fhp->fh_dentry->d_inode;
const struct export_operations *export_ops = inode->i_sb->s_export_op;
- int error = 0;
if (!EX_ISSYNC(fhp->fh_export))
return 0;
- if (export_ops->commit_metadata) {
- error = export_ops->commit_metadata(inode);
- } else {
- struct writeback_control wbc = {
- .sync_mode = WB_SYNC_ALL,
- .nr_to_write = 0, /* metadata only */
- };
-
- error = sync_inode(inode, &wbc);
- }
-
- return error;
+ if (export_ops->commit_metadata)
+ return export_ops->commit_metadata(inode);
+ return sync_inode_metadata(inode, 1);
}
/*
diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h
index 4d476ff08ae..60fce3dc5cb 100644
--- a/fs/nfsd/xdr4.h
+++ b/fs/nfsd/xdr4.h
@@ -484,18 +484,17 @@ static inline bool nfsd4_not_cached(struct nfsd4_compoundres *resp)
static inline void
set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp)
{
- BUG_ON(!fhp->fh_pre_saved || !fhp->fh_post_saved);
- cinfo->atomic = 1;
+ BUG_ON(!fhp->fh_pre_saved);
+ cinfo->atomic = fhp->fh_post_saved;
cinfo->change_supported = IS_I_VERSION(fhp->fh_dentry->d_inode);
- if (cinfo->change_supported) {
- cinfo->before_change = fhp->fh_pre_change;
- cinfo->after_change = fhp->fh_post_change;
- } else {
- cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec;
- cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec;
- cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec;
- cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec;
- }
+
+ cinfo->before_change = fhp->fh_pre_change;
+ cinfo->after_change = fhp->fh_post_change;
+ cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec;
+ cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec;
+ cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec;
+ cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec;
+
}
int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *, void *);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-10-18 17:47:02 +0000