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-rw-r--r--fs/afs/cell.c11
-rw-r--r--fs/afs/dynroot.c15
-rw-r--r--fs/afs/internal.h2
-rw-r--r--fs/afs/proc.c4
-rw-r--r--fs/bcachefs/btree_io.c2
-rw-r--r--fs/bcachefs/btree_update.h8
-rw-r--r--fs/bcachefs/btree_write_buffer.c21
-rw-r--r--fs/bcachefs/extents.c2
-rw-r--r--fs/bcachefs/inode.c1
-rw-r--r--fs/bcachefs/io_read.c19
-rw-r--r--fs/bcachefs/super.c11
-rw-r--r--fs/bcachefs/util.c24
-rw-r--r--fs/bcachefs/util.h2
-rw-r--r--fs/ext4/file.c3
-rw-r--r--fs/smb/client/connect.c16
-rw-r--r--fs/smb/client/fs_context.c18
-rw-r--r--fs/smb/server/connection.c20
-rw-r--r--fs/smb/server/connection.h2
-rw-r--r--fs/smb/server/ksmbd_work.c3
-rw-r--r--fs/smb/server/ksmbd_work.h1
-rw-r--r--fs/smb/server/oplock.c43
-rw-r--r--fs/smb/server/oplock.h1
-rw-r--r--fs/smb/server/server.c14
-rw-r--r--fs/vboxsf/super.c3
-rw-r--r--fs/xfs/libxfs/xfs_alloc.c8
-rw-r--r--fs/xfs/xfs_file.c13
26 files changed, 159 insertions, 108 deletions
diff --git a/fs/afs/cell.c b/fs/afs/cell.c
index cee42646736c..96a6781f3653 100644
--- a/fs/afs/cell.c
+++ b/fs/afs/cell.c
@@ -64,7 +64,8 @@ static struct afs_cell *afs_find_cell_locked(struct afs_net *net,
return ERR_PTR(-ENAMETOOLONG);
if (!name) {
- cell = net->ws_cell;
+ cell = rcu_dereference_protected(net->ws_cell,
+ lockdep_is_held(&net->cells_lock));
if (!cell)
return ERR_PTR(-EDESTADDRREQ);
goto found;
@@ -388,8 +389,8 @@ int afs_cell_init(struct afs_net *net, const char *rootcell)
/* install the new cell */
down_write(&net->cells_lock);
afs_see_cell(new_root, afs_cell_trace_see_ws);
- old_root = net->ws_cell;
- net->ws_cell = new_root;
+ old_root = rcu_replace_pointer(net->ws_cell, new_root,
+ lockdep_is_held(&net->cells_lock));
up_write(&net->cells_lock);
afs_unuse_cell(net, old_root, afs_cell_trace_unuse_ws);
@@ -945,8 +946,8 @@ void afs_cell_purge(struct afs_net *net)
_enter("");
down_write(&net->cells_lock);
- ws = net->ws_cell;
- net->ws_cell = NULL;
+ ws = rcu_replace_pointer(net->ws_cell, NULL,
+ lockdep_is_held(&net->cells_lock));
up_write(&net->cells_lock);
afs_unuse_cell(net, ws, afs_cell_trace_unuse_ws);
diff --git a/fs/afs/dynroot.c b/fs/afs/dynroot.c
index d8bf52f77d93..008698d706ca 100644
--- a/fs/afs/dynroot.c
+++ b/fs/afs/dynroot.c
@@ -314,12 +314,23 @@ static const char *afs_atcell_get_link(struct dentry *dentry, struct inode *inod
const char *name;
bool dotted = vnode->fid.vnode == 3;
- if (!net->ws_cell)
+ if (!dentry) {
+ /* We're in RCU-pathwalk. */
+ cell = rcu_dereference(net->ws_cell);
+ if (dotted)
+ name = cell->name - 1;
+ else
+ name = cell->name;
+ /* Shouldn't need to set a delayed call. */
+ return name;
+ }
+
+ if (!rcu_access_pointer(net->ws_cell))
return ERR_PTR(-ENOENT);
down_read(&net->cells_lock);
- cell = net->ws_cell;
+ cell = rcu_dereference_protected(net->ws_cell, lockdep_is_held(&net->cells_lock));
if (dotted)
name = cell->name - 1;
else
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 90f407774a9a..df30bd62da79 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -287,7 +287,7 @@ struct afs_net {
/* Cell database */
struct rb_root cells;
- struct afs_cell *ws_cell;
+ struct afs_cell __rcu *ws_cell;
struct work_struct cells_manager;
struct timer_list cells_timer;
atomic_t cells_outstanding;
diff --git a/fs/afs/proc.c b/fs/afs/proc.c
index e7614f4f30c2..12c88d8be3fe 100644
--- a/fs/afs/proc.c
+++ b/fs/afs/proc.c
@@ -206,7 +206,7 @@ static int afs_proc_rootcell_show(struct seq_file *m, void *v)
net = afs_seq2net_single(m);
down_read(&net->cells_lock);
- cell = net->ws_cell;
+ cell = rcu_dereference_protected(net->ws_cell, lockdep_is_held(&net->cells_lock));
if (cell)
seq_printf(m, "%s\n", cell->name);
up_read(&net->cells_lock);
@@ -242,7 +242,7 @@ static int afs_proc_rootcell_write(struct file *file, char *buf, size_t size)
ret = -EEXIST;
inode_lock(file_inode(file));
- if (!net->ws_cell)
+ if (!rcu_access_pointer(net->ws_cell))
ret = afs_cell_init(net, buf);
else
printk("busy\n");
diff --git a/fs/bcachefs/btree_io.c b/fs/bcachefs/btree_io.c
index dece27d9db04..756736f9243d 100644
--- a/fs/bcachefs/btree_io.c
+++ b/fs/bcachefs/btree_io.c
@@ -1186,7 +1186,7 @@ int bch2_btree_node_read_done(struct bch_fs *c, struct bch_dev *ca,
le64_to_cpu(i->journal_seq),
b->written, b->written + sectors, ptr_written);
- b->written += sectors;
+ b->written = min(b->written + sectors, btree_sectors(c));
if (blacklisted && !first)
continue;
diff --git a/fs/bcachefs/btree_update.h b/fs/bcachefs/btree_update.h
index 8f22ef9a7651..47d8690f01bf 100644
--- a/fs/bcachefs/btree_update.h
+++ b/fs/bcachefs/btree_update.h
@@ -126,10 +126,18 @@ bch2_trans_jset_entry_alloc(struct btree_trans *trans, unsigned u64s)
int bch2_btree_insert_clone_trans(struct btree_trans *, enum btree_id, struct bkey_i *);
+int bch2_btree_write_buffer_insert_err(struct btree_trans *,
+ enum btree_id, struct bkey_i *);
+
static inline int __must_check bch2_trans_update_buffered(struct btree_trans *trans,
enum btree_id btree,
struct bkey_i *k)
{
+ if (unlikely(!btree_type_uses_write_buffer(btree))) {
+ int ret = bch2_btree_write_buffer_insert_err(trans, btree, k);
+ dump_stack();
+ return ret;
+ }
/*
* Most updates skip the btree write buffer until journal replay is
* finished because synchronization with journal replay relies on having
diff --git a/fs/bcachefs/btree_write_buffer.c b/fs/bcachefs/btree_write_buffer.c
index b56c4987b8c9..2c09d19dd621 100644
--- a/fs/bcachefs/btree_write_buffer.c
+++ b/fs/bcachefs/btree_write_buffer.c
@@ -264,6 +264,22 @@ out:
BUG_ON(wb->sorted.size < wb->flushing.keys.nr);
}
+int bch2_btree_write_buffer_insert_err(struct btree_trans *trans,
+ enum btree_id btree, struct bkey_i *k)
+{
+ struct bch_fs *c = trans->c;
+ struct printbuf buf = PRINTBUF;
+
+ prt_printf(&buf, "attempting to do write buffer update on non wb btree=");
+ bch2_btree_id_to_text(&buf, btree);
+ prt_str(&buf, "\n");
+ bch2_bkey_val_to_text(&buf, c, bkey_i_to_s_c(k));
+
+ bch2_fs_inconsistent(c, "%s", buf.buf);
+ printbuf_exit(&buf);
+ return -EROFS;
+}
+
static int bch2_btree_write_buffer_flush_locked(struct btree_trans *trans)
{
struct bch_fs *c = trans->c;
@@ -312,7 +328,10 @@ static int bch2_btree_write_buffer_flush_locked(struct btree_trans *trans)
darray_for_each(wb->sorted, i) {
struct btree_write_buffered_key *k = &wb->flushing.keys.data[i->idx];
- BUG_ON(!btree_type_uses_write_buffer(k->btree));
+ if (unlikely(!btree_type_uses_write_buffer(k->btree))) {
+ ret = bch2_btree_write_buffer_insert_err(trans, k->btree, &k->k);
+ goto err;
+ }
for (struct wb_key_ref *n = i + 1; n < min(i + 4, &darray_top(wb->sorted)); n++)
prefetch(&wb->flushing.keys.data[n->idx]);
diff --git a/fs/bcachefs/extents.c b/fs/bcachefs/extents.c
index 05d5f71a7ca9..2d8042f853dc 100644
--- a/fs/bcachefs/extents.c
+++ b/fs/bcachefs/extents.c
@@ -99,7 +99,7 @@ static inline bool ptr_better(struct bch_fs *c,
/* Pick at random, biased in favor of the faster device: */
- return bch2_rand_range(l1 + l2) > l1;
+ return bch2_get_random_u64_below(l1 + l2) > l1;
}
if (bch2_force_reconstruct_read)
diff --git a/fs/bcachefs/inode.c b/fs/bcachefs/inode.c
index 04ec05206f8c..339b80770f1d 100644
--- a/fs/bcachefs/inode.c
+++ b/fs/bcachefs/inode.c
@@ -1198,6 +1198,7 @@ void bch2_inode_opts_get(struct bch_io_opts *opts, struct bch_fs *c,
opts->_name##_from_inode = true; \
} else { \
opts->_name = c->opts._name; \
+ opts->_name##_from_inode = false; \
}
BCH_INODE_OPTS()
#undef x
diff --git a/fs/bcachefs/io_read.c b/fs/bcachefs/io_read.c
index 8c7b2d3d779d..aa91fcf51eec 100644
--- a/fs/bcachefs/io_read.c
+++ b/fs/bcachefs/io_read.c
@@ -59,7 +59,7 @@ static bool bch2_target_congested(struct bch_fs *c, u16 target)
}
rcu_read_unlock();
- return bch2_rand_range(nr * CONGESTED_MAX) < total;
+ return get_random_u32_below(nr * CONGESTED_MAX) < total;
}
#else
@@ -951,12 +951,6 @@ retry_pick:
goto retry_pick;
}
- /*
- * Unlock the iterator while the btree node's lock is still in
- * cache, before doing the IO:
- */
- bch2_trans_unlock(trans);
-
if (flags & BCH_READ_NODECODE) {
/*
* can happen if we retry, and the extent we were going to read
@@ -1113,6 +1107,15 @@ get_bio:
trace_and_count(c, read_split, &orig->bio);
}
+ /*
+ * Unlock the iterator while the btree node's lock is still in
+ * cache, before doing the IO:
+ */
+ if (!(flags & BCH_READ_IN_RETRY))
+ bch2_trans_unlock(trans);
+ else
+ bch2_trans_unlock_long(trans);
+
if (!rbio->pick.idx) {
if (unlikely(!rbio->have_ioref)) {
struct printbuf buf = PRINTBUF;
@@ -1160,6 +1163,8 @@ out:
if (likely(!(flags & BCH_READ_IN_RETRY))) {
return 0;
} else {
+ bch2_trans_unlock(trans);
+
int ret;
rbio->context = RBIO_CONTEXT_UNBOUND;
diff --git a/fs/bcachefs/super.c b/fs/bcachefs/super.c
index 6d97d412fed9..0459c875e189 100644
--- a/fs/bcachefs/super.c
+++ b/fs/bcachefs/super.c
@@ -1811,7 +1811,11 @@ int bch2_dev_add(struct bch_fs *c, const char *path)
goto err_late;
up_write(&c->state_lock);
- return 0;
+out:
+ printbuf_exit(&label);
+ printbuf_exit(&errbuf);
+ bch_err_fn(c, ret);
+ return ret;
err_unlock:
mutex_unlock(&c->sb_lock);
@@ -1820,10 +1824,7 @@ err:
if (ca)
bch2_dev_free(ca);
bch2_free_super(&sb);
- printbuf_exit(&label);
- printbuf_exit(&errbuf);
- bch_err_fn(c, ret);
- return ret;
+ goto out;
err_late:
up_write(&c->state_lock);
ca = NULL;
diff --git a/fs/bcachefs/util.c b/fs/bcachefs/util.c
index e0a876cbaa6b..da2cd11b3025 100644
--- a/fs/bcachefs/util.c
+++ b/fs/bcachefs/util.c
@@ -653,19 +653,25 @@ int bch2_bio_alloc_pages(struct bio *bio, size_t size, gfp_t gfp_mask)
return 0;
}
-size_t bch2_rand_range(size_t max)
+u64 bch2_get_random_u64_below(u64 ceil)
{
- size_t rand;
+ if (ceil <= U32_MAX)
+ return __get_random_u32_below(ceil);
- if (!max)
- return 0;
+ /* this is the same (clever) algorithm as in __get_random_u32_below() */
+ u64 rand = get_random_u64();
+ u64 mult = ceil * rand;
- do {
- rand = get_random_long();
- rand &= roundup_pow_of_two(max) - 1;
- } while (rand >= max);
+ if (unlikely(mult < ceil)) {
+ u64 bound;
+ div64_u64_rem(-ceil, ceil, &bound);
+ while (unlikely(mult < bound)) {
+ rand = get_random_u64();
+ mult = ceil * rand;
+ }
+ }
- return rand;
+ return mul_u64_u64_shr(ceil, rand, 64);
}
void memcpy_to_bio(struct bio *dst, struct bvec_iter dst_iter, const void *src)
diff --git a/fs/bcachefs/util.h b/fs/bcachefs/util.h
index e7c3541b38f3..f4a4783219d9 100644
--- a/fs/bcachefs/util.h
+++ b/fs/bcachefs/util.h
@@ -401,7 +401,7 @@ do { \
_ret; \
})
-size_t bch2_rand_range(size_t);
+u64 bch2_get_random_u64_below(u64);
void memcpy_to_bio(struct bio *, struct bvec_iter, const void *);
void memcpy_from_bio(void *, struct bio *, struct bvec_iter);
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index a5205149adba..3bd96c3d4cd0 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -756,9 +756,6 @@ retry:
return VM_FAULT_SIGBUS;
}
} else {
- result = filemap_fsnotify_fault(vmf);
- if (unlikely(result))
- return result;
filemap_invalidate_lock_shared(mapping);
}
result = dax_iomap_fault(vmf, order, &pfn, &error, &ext4_iomap_ops);
diff --git a/fs/smb/client/connect.c b/fs/smb/client/connect.c
index f917de020dd5..73f93a35eedd 100644
--- a/fs/smb/client/connect.c
+++ b/fs/smb/client/connect.c
@@ -1825,9 +1825,8 @@ static int match_session(struct cifs_ses *ses,
struct smb3_fs_context *ctx,
bool match_super)
{
- if (ctx->sectype != Unspecified &&
- ctx->sectype != ses->sectype)
- return 0;
+ struct TCP_Server_Info *server = ses->server;
+ enum securityEnum ctx_sec, ses_sec;
if (!match_super && ctx->dfs_root_ses != ses->dfs_root_ses)
return 0;
@@ -1839,11 +1838,20 @@ static int match_session(struct cifs_ses *ses,
if (ses->chan_max < ctx->max_channels)
return 0;
- switch (ses->sectype) {
+ ctx_sec = server->ops->select_sectype(server, ctx->sectype);
+ ses_sec = server->ops->select_sectype(server, ses->sectype);
+
+ if (ctx_sec != ses_sec)
+ return 0;
+
+ switch (ctx_sec) {
+ case IAKerb:
case Kerberos:
if (!uid_eq(ctx->cred_uid, ses->cred_uid))
return 0;
break;
+ case NTLMv2:
+ case RawNTLMSSP:
default:
/* NULL username means anonymous session */
if (ses->user_name == NULL) {
diff --git a/fs/smb/client/fs_context.c b/fs/smb/client/fs_context.c
index e9b286d9a7ba..8c73d4d60d1a 100644
--- a/fs/smb/client/fs_context.c
+++ b/fs/smb/client/fs_context.c
@@ -171,6 +171,7 @@ const struct fs_parameter_spec smb3_fs_parameters[] = {
fsparam_string("username", Opt_user),
fsparam_string("pass", Opt_pass),
fsparam_string("password", Opt_pass),
+ fsparam_string("pass2", Opt_pass2),
fsparam_string("password2", Opt_pass2),
fsparam_string("ip", Opt_ip),
fsparam_string("addr", Opt_ip),
@@ -1131,6 +1132,9 @@ static int smb3_fs_context_parse_param(struct fs_context *fc,
} else if (!strcmp("user", param->key) || !strcmp("username", param->key)) {
skip_parsing = true;
opt = Opt_user;
+ } else if (!strcmp("pass2", param->key) || !strcmp("password2", param->key)) {
+ skip_parsing = true;
+ opt = Opt_pass2;
}
}
@@ -1340,21 +1344,21 @@ static int smb3_fs_context_parse_param(struct fs_context *fc,
}
break;
case Opt_acregmax:
- ctx->acregmax = HZ * result.uint_32;
- if (ctx->acregmax > CIFS_MAX_ACTIMEO) {
+ if (result.uint_32 > CIFS_MAX_ACTIMEO / HZ) {
cifs_errorf(fc, "acregmax too large\n");
goto cifs_parse_mount_err;
}
+ ctx->acregmax = HZ * result.uint_32;
break;
case Opt_acdirmax:
- ctx->acdirmax = HZ * result.uint_32;
- if (ctx->acdirmax > CIFS_MAX_ACTIMEO) {
+ if (result.uint_32 > CIFS_MAX_ACTIMEO / HZ) {
cifs_errorf(fc, "acdirmax too large\n");
goto cifs_parse_mount_err;
}
+ ctx->acdirmax = HZ * result.uint_32;
break;
case Opt_actimeo:
- if (HZ * result.uint_32 > CIFS_MAX_ACTIMEO) {
+ if (result.uint_32 > CIFS_MAX_ACTIMEO / HZ) {
cifs_errorf(fc, "timeout too large\n");
goto cifs_parse_mount_err;
}
@@ -1366,11 +1370,11 @@ static int smb3_fs_context_parse_param(struct fs_context *fc,
ctx->acdirmax = ctx->acregmax = HZ * result.uint_32;
break;
case Opt_closetimeo:
- ctx->closetimeo = HZ * result.uint_32;
- if (ctx->closetimeo > SMB3_MAX_DCLOSETIMEO) {
+ if (result.uint_32 > SMB3_MAX_DCLOSETIMEO / HZ) {
cifs_errorf(fc, "closetimeo too large\n");
goto cifs_parse_mount_err;
}
+ ctx->closetimeo = HZ * result.uint_32;
break;
case Opt_echo_interval:
ctx->echo_interval = result.uint_32;
diff --git a/fs/smb/server/connection.c b/fs/smb/server/connection.c
index f8a40f65db6a..c1f22c129111 100644
--- a/fs/smb/server/connection.c
+++ b/fs/smb/server/connection.c
@@ -433,6 +433,26 @@ void ksmbd_conn_init_server_callbacks(struct ksmbd_conn_ops *ops)
default_conn_ops.terminate_fn = ops->terminate_fn;
}
+void ksmbd_conn_r_count_inc(struct ksmbd_conn *conn)
+{
+ atomic_inc(&conn->r_count);
+}
+
+void ksmbd_conn_r_count_dec(struct ksmbd_conn *conn)
+{
+ /*
+ * Checking waitqueue to dropping pending requests on
+ * disconnection. waitqueue_active is safe because it
+ * uses atomic operation for condition.
+ */
+ atomic_inc(&conn->refcnt);
+ if (!atomic_dec_return(&conn->r_count) && waitqueue_active(&conn->r_count_q))
+ wake_up(&conn->r_count_q);
+
+ if (atomic_dec_and_test(&conn->refcnt))
+ kfree(conn);
+}
+
int ksmbd_conn_transport_init(void)
{
int ret;
diff --git a/fs/smb/server/connection.h b/fs/smb/server/connection.h
index b379ae4fdcdf..91c2318639e7 100644
--- a/fs/smb/server/connection.h
+++ b/fs/smb/server/connection.h
@@ -168,6 +168,8 @@ int ksmbd_conn_transport_init(void);
void ksmbd_conn_transport_destroy(void);
void ksmbd_conn_lock(struct ksmbd_conn *conn);
void ksmbd_conn_unlock(struct ksmbd_conn *conn);
+void ksmbd_conn_r_count_inc(struct ksmbd_conn *conn);
+void ksmbd_conn_r_count_dec(struct ksmbd_conn *conn);
/*
* WARNING
diff --git a/fs/smb/server/ksmbd_work.c b/fs/smb/server/ksmbd_work.c
index 4af2e6007c29..72b00ca6e455 100644
--- a/fs/smb/server/ksmbd_work.c
+++ b/fs/smb/server/ksmbd_work.c
@@ -26,7 +26,6 @@ struct ksmbd_work *ksmbd_alloc_work_struct(void)
INIT_LIST_HEAD(&work->request_entry);
INIT_LIST_HEAD(&work->async_request_entry);
INIT_LIST_HEAD(&work->fp_entry);
- INIT_LIST_HEAD(&work->interim_entry);
INIT_LIST_HEAD(&work->aux_read_list);
work->iov_alloc_cnt = 4;
work->iov = kcalloc(work->iov_alloc_cnt, sizeof(struct kvec),
@@ -56,8 +55,6 @@ void ksmbd_free_work_struct(struct ksmbd_work *work)
kfree(work->tr_buf);
kvfree(work->request_buf);
kfree(work->iov);
- if (!list_empty(&work->interim_entry))
- list_del(&work->interim_entry);
if (work->async_id)
ksmbd_release_id(&work->conn->async_ida, work->async_id);
diff --git a/fs/smb/server/ksmbd_work.h b/fs/smb/server/ksmbd_work.h
index 8ca2c813246e..d36393ff8310 100644
--- a/fs/smb/server/ksmbd_work.h
+++ b/fs/smb/server/ksmbd_work.h
@@ -89,7 +89,6 @@ struct ksmbd_work {
/* List head at conn->async_requests */
struct list_head async_request_entry;
struct list_head fp_entry;
- struct list_head interim_entry;
};
/**
diff --git a/fs/smb/server/oplock.c b/fs/smb/server/oplock.c
index 3a3fe4afbdf0..28886ff1ee57 100644
--- a/fs/smb/server/oplock.c
+++ b/fs/smb/server/oplock.c
@@ -46,7 +46,6 @@ static struct oplock_info *alloc_opinfo(struct ksmbd_work *work,
opinfo->fid = id;
opinfo->Tid = Tid;
INIT_LIST_HEAD(&opinfo->op_entry);
- INIT_LIST_HEAD(&opinfo->interim_list);
init_waitqueue_head(&opinfo->oplock_q);
init_waitqueue_head(&opinfo->oplock_brk);
atomic_set(&opinfo->refcount, 1);
@@ -635,6 +634,7 @@ static void __smb2_oplock_break_noti(struct work_struct *wk)
{
struct smb2_oplock_break *rsp = NULL;
struct ksmbd_work *work = container_of(wk, struct ksmbd_work, work);
+ struct ksmbd_conn *conn = work->conn;
struct oplock_break_info *br_info = work->request_buf;
struct smb2_hdr *rsp_hdr;
struct ksmbd_file *fp;
@@ -690,6 +690,7 @@ static void __smb2_oplock_break_noti(struct work_struct *wk)
out:
ksmbd_free_work_struct(work);
+ ksmbd_conn_r_count_dec(conn);
}
/**
@@ -724,6 +725,7 @@ static int smb2_oplock_break_noti(struct oplock_info *opinfo)
work->sess = opinfo->sess;
if (opinfo->op_state == OPLOCK_ACK_WAIT) {
+ ksmbd_conn_r_count_inc(conn);
INIT_WORK(&work->work, __smb2_oplock_break_noti);
ksmbd_queue_work(work);
@@ -745,6 +747,7 @@ static void __smb2_lease_break_noti(struct work_struct *wk)
{
struct smb2_lease_break *rsp = NULL;
struct ksmbd_work *work = container_of(wk, struct ksmbd_work, work);
+ struct ksmbd_conn *conn = work->conn;
struct lease_break_info *br_info = work->request_buf;
struct smb2_hdr *rsp_hdr;
@@ -791,6 +794,7 @@ static void __smb2_lease_break_noti(struct work_struct *wk)
out:
ksmbd_free_work_struct(work);
+ ksmbd_conn_r_count_dec(conn);
}
/**
@@ -803,7 +807,6 @@ out:
static int smb2_lease_break_noti(struct oplock_info *opinfo)
{
struct ksmbd_conn *conn = opinfo->conn;
- struct list_head *tmp, *t;
struct ksmbd_work *work;
struct lease_break_info *br_info;
struct lease *lease = opinfo->o_lease;
@@ -831,16 +834,7 @@ static int smb2_lease_break_noti(struct oplock_info *opinfo)
work->sess = opinfo->sess;
if (opinfo->op_state == OPLOCK_ACK_WAIT) {
- list_for_each_safe(tmp, t, &opinfo->interim_list) {
- struct ksmbd_work *in_work;
-
- in_work = list_entry(tmp, struct ksmbd_work,
- interim_entry);
- setup_async_work(in_work, NULL, NULL);
- smb2_send_interim_resp(in_work, STATUS_PENDING);
- list_del_init(&in_work->interim_entry);
- release_async_work(in_work);
- }
+ ksmbd_conn_r_count_inc(conn);
INIT_WORK(&work->work, __smb2_lease_break_noti);
ksmbd_queue_work(work);
wait_for_break_ack(opinfo);
@@ -871,7 +865,8 @@ static void wait_lease_breaking(struct oplock_info *opinfo)
}
}
-static int oplock_break(struct oplock_info *brk_opinfo, int req_op_level)
+static int oplock_break(struct oplock_info *brk_opinfo, int req_op_level,
+ struct ksmbd_work *in_work)
{
int err = 0;
@@ -914,9 +909,15 @@ static int oplock_break(struct oplock_info *brk_opinfo, int req_op_level)
}
if (lease->state & (SMB2_LEASE_WRITE_CACHING_LE |
- SMB2_LEASE_HANDLE_CACHING_LE))
+ SMB2_LEASE_HANDLE_CACHING_LE)) {
+ if (in_work) {
+ setup_async_work(in_work, NULL, NULL);
+ smb2_send_interim_resp(in_work, STATUS_PENDING);
+ release_async_work(in_work);
+ }
+
brk_opinfo->op_state = OPLOCK_ACK_WAIT;
- else
+ } else
atomic_dec(&brk_opinfo->breaking_cnt);
} else {
err = oplock_break_pending(brk_opinfo, req_op_level);
@@ -1116,7 +1117,7 @@ void smb_send_parent_lease_break_noti(struct ksmbd_file *fp,
if (ksmbd_conn_releasing(opinfo->conn))
continue;
- oplock_break(opinfo, SMB2_OPLOCK_LEVEL_NONE);
+ oplock_break(opinfo, SMB2_OPLOCK_LEVEL_NONE, NULL);
opinfo_put(opinfo);
}
}
@@ -1152,7 +1153,7 @@ void smb_lazy_parent_lease_break_close(struct ksmbd_file *fp)
if (ksmbd_conn_releasing(opinfo->conn))
continue;
- oplock_break(opinfo, SMB2_OPLOCK_LEVEL_NONE);
+ oplock_break(opinfo, SMB2_OPLOCK_LEVEL_NONE, NULL);
opinfo_put(opinfo);
}
}
@@ -1252,8 +1253,7 @@ int smb_grant_oplock(struct ksmbd_work *work, int req_op_level, u64 pid,
goto op_break_not_needed;
}
- list_add(&work->interim_entry, &prev_opinfo->interim_list);
- err = oplock_break(prev_opinfo, SMB2_OPLOCK_LEVEL_II);
+ err = oplock_break(prev_opinfo, SMB2_OPLOCK_LEVEL_II, work);
opinfo_put(prev_opinfo);
if (err == -ENOENT)
goto set_lev;
@@ -1322,8 +1322,7 @@ static void smb_break_all_write_oplock(struct ksmbd_work *work,
}
brk_opinfo->open_trunc = is_trunc;
- list_add(&work->interim_entry, &brk_opinfo->interim_list);
- oplock_break(brk_opinfo, SMB2_OPLOCK_LEVEL_II);
+ oplock_break(brk_opinfo, SMB2_OPLOCK_LEVEL_II, work);
opinfo_put(brk_opinfo);
}
@@ -1386,7 +1385,7 @@ void smb_break_all_levII_oplock(struct ksmbd_work *work, struct ksmbd_file *fp,
SMB2_LEASE_KEY_SIZE))
goto next;
brk_op->open_trunc = is_trunc;
- oplock_break(brk_op, SMB2_OPLOCK_LEVEL_NONE);
+ oplock_break(brk_op, SMB2_OPLOCK_LEVEL_NONE, NULL);
next:
opinfo_put(brk_op);
rcu_read_lock();
diff --git a/fs/smb/server/oplock.h b/fs/smb/server/oplock.h
index 72bc88a63a40..3f64f0787263 100644
--- a/fs/smb/server/oplock.h
+++ b/fs/smb/server/oplock.h
@@ -67,7 +67,6 @@ struct oplock_info {
bool is_lease;
bool open_trunc; /* truncate on open */
struct lease *o_lease;
- struct list_head interim_list;
struct list_head op_entry;
struct list_head lease_entry;
wait_queue_head_t oplock_q; /* Other server threads */
diff --git a/fs/smb/server/server.c b/fs/smb/server/server.c
index 601e7fcbcf1e..ab533c602987 100644
--- a/fs/smb/server/server.c
+++ b/fs/smb/server/server.c
@@ -270,17 +270,7 @@ static void handle_ksmbd_work(struct work_struct *wk)
ksmbd_conn_try_dequeue_request(work);
ksmbd_free_work_struct(work);
- /*
- * Checking waitqueue to dropping pending requests on
- * disconnection. waitqueue_active is safe because it
- * uses atomic operation for condition.
- */
- atomic_inc(&conn->refcnt);
- if (!atomic_dec_return(&conn->r_count) && waitqueue_active(&conn->r_count_q))
- wake_up(&conn->r_count_q);
-
- if (atomic_dec_and_test(&conn->refcnt))
- kfree(conn);
+ ksmbd_conn_r_count_dec(conn);
}
/**
@@ -310,7 +300,7 @@ static int queue_ksmbd_work(struct ksmbd_conn *conn)
conn->request_buf = NULL;
ksmbd_conn_enqueue_request(work);
- atomic_inc(&conn->r_count);
+ ksmbd_conn_r_count_inc(conn);
/* update activity on connection */
conn->last_active = jiffies;
INIT_WORK(&work->work, handle_ksmbd_work);
diff --git a/fs/vboxsf/super.c b/fs/vboxsf/super.c
index 1d94bb784108..0bc96ab6580b 100644
--- a/fs/vboxsf/super.c
+++ b/fs/vboxsf/super.c
@@ -21,8 +21,7 @@
#define VBOXSF_SUPER_MAGIC 0x786f4256 /* 'VBox' little endian */
-static const unsigned char VBSF_MOUNT_SIGNATURE[4] = { '\000', '\377', '\376',
- '\375' };
+static const unsigned char VBSF_MOUNT_SIGNATURE[4] __nonstring = "\000\377\376\375";
static int follow_symlinks;
module_param(follow_symlinks, int, 0444);
diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
index 3d33e17f2e5c..7839efe050bf 100644
--- a/fs/xfs/libxfs/xfs_alloc.c
+++ b/fs/xfs/libxfs/xfs_alloc.c
@@ -33,8 +33,6 @@ struct kmem_cache *xfs_extfree_item_cache;
struct workqueue_struct *xfs_alloc_wq;
-#define XFS_ABSDIFF(a,b) (((a) <= (b)) ? ((b) - (a)) : ((a) - (b)))
-
#define XFSA_FIXUP_BNO_OK 1
#define XFSA_FIXUP_CNT_OK 2
@@ -410,8 +408,8 @@ xfs_alloc_compute_diff(
if (newbno1 != NULLAGBLOCK && newbno2 != NULLAGBLOCK) {
if (newlen1 < newlen2 ||
(newlen1 == newlen2 &&
- XFS_ABSDIFF(newbno1, wantbno) >
- XFS_ABSDIFF(newbno2, wantbno)))
+ abs_diff(newbno1, wantbno) >
+ abs_diff(newbno2, wantbno)))
newbno1 = newbno2;
} else if (newbno2 != NULLAGBLOCK)
newbno1 = newbno2;
@@ -427,7 +425,7 @@ xfs_alloc_compute_diff(
} else
newbno1 = freeend - wantlen;
*newbnop = newbno1;
- return newbno1 == NULLAGBLOCK ? 0 : XFS_ABSDIFF(newbno1, wantbno);
+ return newbno1 == NULLAGBLOCK ? 0 : abs_diff(newbno1, wantbno);
}
/*
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index f7a7d89c345e..9a435b1ff264 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -1451,9 +1451,6 @@ xfs_dax_read_fault(
trace_xfs_read_fault(ip, order);
- ret = filemap_fsnotify_fault(vmf);
- if (unlikely(ret))
- return ret;
xfs_ilock(ip, XFS_MMAPLOCK_SHARED);
ret = xfs_dax_fault_locked(vmf, order, false);
xfs_iunlock(ip, XFS_MMAPLOCK_SHARED);
@@ -1482,16 +1479,6 @@ xfs_write_fault(
vm_fault_t ret;
trace_xfs_write_fault(ip, order);
- /*
- * Usually we get here from ->page_mkwrite callback but in case of DAX
- * we will get here also for ordinary write fault. Handle HSM
- * notifications for that case.
- */
- if (IS_DAX(inode)) {
- ret = filemap_fsnotify_fault(vmf);
- if (unlikely(ret))
- return ret;
- }
sb_start_pagefault(inode->i_sb);
file_update_time(vmf->vma->vm_file);
generated by cgit v1.2.3 (git 2.39.0) at 2025-08-12 06:00:37 +0300