diff options
Diffstat (limited to 'drivers/block')
57 files changed, 111 insertions, 525 deletions
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index 20bb4bfa4be6..96ec7e0fc1ea 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -347,7 +347,7 @@ config CDROM_PKTCDVD is possible. DVD-RW disks must be in restricted overwrite mode. - See the file <file:Documentation/cdrom/packet-writing.txt> + See the file <file:Documentation/cdrom/packet-writing.rst> for further information on the use of this driver. To compile this driver as a module, choose M here: the diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c index 92b930cb3b72..226219da3da6 100644 --- a/drivers/block/amiflop.c +++ b/drivers/block/amiflop.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * linux/amiga/amiflop.c * diff --git a/drivers/block/aoe/Makefile b/drivers/block/aoe/Makefile index 06ea82cdf27d..b7545ce2f1b0 100644 --- a/drivers/block/aoe/Makefile +++ b/drivers/block/aoe/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only # # Makefile for ATA over Ethernet # diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c index e2c6aae2d636..bd19f8af950b 100644 --- a/drivers/block/aoe/aoeblk.c +++ b/drivers/block/aoe/aoeblk.c @@ -196,7 +196,6 @@ static const struct file_operations aoe_debugfs_fops = { static void aoedisk_add_debugfs(struct aoedev *d) { - struct dentry *entry; char *p; if (aoe_debugfs_dir == NULL) @@ -207,15 +206,8 @@ aoedisk_add_debugfs(struct aoedev *d) else p++; BUG_ON(*p == '\0'); - entry = debugfs_create_file(p, 0444, aoe_debugfs_dir, d, - &aoe_debugfs_fops); - if (IS_ERR_OR_NULL(entry)) { - pr_info("aoe: cannot create debugfs file for %s\n", - d->gd->disk_name); - return; - } - BUG_ON(d->debugfs); - d->debugfs = entry; + d->debugfs = debugfs_create_file(p, 0444, aoe_debugfs_dir, d, + &aoe_debugfs_fops); } void aoedisk_rm_debugfs(struct aoedev *d) @@ -472,10 +464,6 @@ aoeblk_init(void) if (buf_pool_cache == NULL) return -ENOMEM; aoe_debugfs_dir = debugfs_create_dir("aoe", NULL); - if (IS_ERR_OR_NULL(aoe_debugfs_dir)) { - pr_info("aoe: cannot create debugfs directory\n"); - aoe_debugfs_dir = NULL; - } return 0; } diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c index c7b5c4671f05..85f20e371f2f 100644 --- a/drivers/block/ataflop.c +++ b/drivers/block/ataflop.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * drivers/block/ataflop.c * diff --git a/drivers/block/brd.c b/drivers/block/brd.c index 2da615b45b31..c548a5a6c1a0 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Ram backed block device driver. * diff --git a/drivers/block/cryptoloop.c b/drivers/block/cryptoloop.c index 254ee7d54e91..3cabc335ae74 100644 --- a/drivers/block/cryptoloop.c +++ b/drivers/block/cryptoloop.c @@ -1,22 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* Linux loop encryption enabling module Copyright (C) 2002 Herbert Valerio Riedel <hvr@gnu.org> Copyright (C) 2003 Fruhwirth Clemens <clemens@endorphin.org> - This module is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This module 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 for more details. - - You should have received a copy of the GNU General Public License - along with this module; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/module.h> diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c index 5f0eaee8c8a7..b41897dceb2b 100644 --- a/drivers/block/drbd/drbd_actlog.c +++ b/drivers/block/drbd/drbd_actlog.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* drbd_actlog.c @@ -7,19 +8,6 @@ Copyright (C) 2003-2008, Philipp Reisner <philipp.reisner@linbit.com>. Copyright (C) 2003-2008, Lars Ellenberg <lars.ellenberg@linbit.com>. - drbd is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - drbd 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 for more details. - - You should have received a copy of the GNU General Public License - along with drbd; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c index 11a85b740327..15e99697234a 100644 --- a/drivers/block/drbd/drbd_bitmap.c +++ b/drivers/block/drbd/drbd_bitmap.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* drbd_bitmap.c @@ -7,19 +8,6 @@ Copyright (C) 2004-2008, Philipp Reisner <philipp.reisner@linbit.com>. Copyright (C) 2004-2008, Lars Ellenberg <lars.ellenberg@linbit.com>. - drbd is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - drbd 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 for more details. - - You should have received a copy of the GNU General Public License - along with drbd; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/drivers/block/drbd/drbd_debugfs.c b/drivers/block/drbd/drbd_debugfs.c index f13b48ff5f43..b3b9cd5628fd 100644 --- a/drivers/block/drbd/drbd_debugfs.c +++ b/drivers/block/drbd/drbd_debugfs.c @@ -465,35 +465,20 @@ static const struct file_operations in_flight_summary_fops = { void drbd_debugfs_resource_add(struct drbd_resource *resource) { struct dentry *dentry; - if (!drbd_debugfs_resources) - return; dentry = debugfs_create_dir(resource->name, drbd_debugfs_resources); - if (IS_ERR_OR_NULL(dentry)) - goto fail; resource->debugfs_res = dentry; dentry = debugfs_create_dir("volumes", resource->debugfs_res); - if (IS_ERR_OR_NULL(dentry)) - goto fail; resource->debugfs_res_volumes = dentry; dentry = debugfs_create_dir("connections", resource->debugfs_res); - if (IS_ERR_OR_NULL(dentry)) - goto fail; resource->debugfs_res_connections = dentry; dentry = debugfs_create_file("in_flight_summary", 0440, resource->debugfs_res, resource, &in_flight_summary_fops); - if (IS_ERR_OR_NULL(dentry)) - goto fail; resource->debugfs_res_in_flight_summary = dentry; - return; - -fail: - drbd_debugfs_resource_cleanup(resource); - drbd_err(resource, "failed to create debugfs dentry\n"); } static void drbd_debugfs_remove(struct dentry **dp) @@ -636,35 +621,22 @@ void drbd_debugfs_connection_add(struct drbd_connection *connection) { struct dentry *conns_dir = connection->resource->debugfs_res_connections; struct dentry *dentry; - if (!conns_dir) - return; /* Once we enable mutliple peers, * these connections will have descriptive names. * For now, it is just the one connection to the (only) "peer". */ dentry = debugfs_create_dir("peer", conns_dir); - if (IS_ERR_OR_NULL(dentry)) - goto fail; connection->debugfs_conn = dentry; dentry = debugfs_create_file("callback_history", 0440, connection->debugfs_conn, connection, &connection_callback_history_fops); - if (IS_ERR_OR_NULL(dentry)) - goto fail; connection->debugfs_conn_callback_history = dentry; dentry = debugfs_create_file("oldest_requests", 0440, connection->debugfs_conn, connection, &connection_oldest_requests_fops); - if (IS_ERR_OR_NULL(dentry)) - goto fail; connection->debugfs_conn_oldest_requests = dentry; - return; - -fail: - drbd_debugfs_connection_cleanup(connection); - drbd_err(connection, "failed to create debugfs dentry\n"); } void drbd_debugfs_connection_cleanup(struct drbd_connection *connection) @@ -809,8 +781,6 @@ void drbd_debugfs_device_add(struct drbd_device *device) snprintf(vnr_buf, sizeof(vnr_buf), "%u", device->vnr); dentry = debugfs_create_dir(vnr_buf, vols_dir); - if (IS_ERR_OR_NULL(dentry)) - goto fail; device->debugfs_vol = dentry; snprintf(minor_buf, sizeof(minor_buf), "%u", device->minor); @@ -819,18 +789,14 @@ void drbd_debugfs_device_add(struct drbd_device *device) if (!slink_name) goto fail; dentry = debugfs_create_symlink(minor_buf, drbd_debugfs_minors, slink_name); + device->debugfs_minor = dentry; kfree(slink_name); slink_name = NULL; - if (IS_ERR_OR_NULL(dentry)) - goto fail; - device->debugfs_minor = dentry; #define DCF(name) do { \ dentry = debugfs_create_file(#name, 0440, \ device->debugfs_vol, device, \ &device_ ## name ## _fops); \ - if (IS_ERR_OR_NULL(dentry)) \ - goto fail; \ device->debugfs_vol_ ## name = dentry; \ } while (0) @@ -864,19 +830,9 @@ void drbd_debugfs_peer_device_add(struct drbd_peer_device *peer_device) struct dentry *dentry; char vnr_buf[8]; - if (!conn_dir) - return; - snprintf(vnr_buf, sizeof(vnr_buf), "%u", peer_device->device->vnr); dentry = debugfs_create_dir(vnr_buf, conn_dir); - if (IS_ERR_OR_NULL(dentry)) - goto fail; peer_device->debugfs_peer_dev = dentry; - return; - -fail: - drbd_debugfs_peer_device_cleanup(peer_device); - drbd_err(peer_device, "failed to create debugfs entries\n"); } void drbd_debugfs_peer_device_cleanup(struct drbd_peer_device *peer_device) @@ -917,35 +873,19 @@ void drbd_debugfs_cleanup(void) drbd_debugfs_remove(&drbd_debugfs_root); } -int __init drbd_debugfs_init(void) +void __init drbd_debugfs_init(void) { struct dentry *dentry; dentry = debugfs_create_dir("drbd", NULL); - if (IS_ERR_OR_NULL(dentry)) - goto fail; drbd_debugfs_root = dentry; dentry = debugfs_create_file("version", 0444, drbd_debugfs_root, NULL, &drbd_version_fops); - if (IS_ERR_OR_NULL(dentry)) - goto fail; drbd_debugfs_version = dentry; dentry = debugfs_create_dir("resources", drbd_debugfs_root); - if (IS_ERR_OR_NULL(dentry)) - goto fail; drbd_debugfs_resources = dentry; dentry = debugfs_create_dir("minors", drbd_debugfs_root); - if (IS_ERR_OR_NULL(dentry)) - goto fail; drbd_debugfs_minors = dentry; - return 0; - -fail: - drbd_debugfs_cleanup(); - if (dentry) - return PTR_ERR(dentry); - else - return -EINVAL; } diff --git a/drivers/block/drbd/drbd_debugfs.h b/drivers/block/drbd/drbd_debugfs.h index 4ecfbb3358d7..58e31cef0844 100644 --- a/drivers/block/drbd/drbd_debugfs.h +++ b/drivers/block/drbd/drbd_debugfs.h @@ -6,7 +6,7 @@ #include "drbd_int.h" #ifdef CONFIG_DEBUG_FS -int __init drbd_debugfs_init(void); +void __init drbd_debugfs_init(void); void drbd_debugfs_cleanup(void); void drbd_debugfs_resource_add(struct drbd_resource *resource); @@ -22,7 +22,7 @@ void drbd_debugfs_peer_device_add(struct drbd_peer_device *peer_device); void drbd_debugfs_peer_device_cleanup(struct drbd_peer_device *peer_device); #else -static inline int __init drbd_debugfs_init(void) { return -ENODEV; } +static inline void __init drbd_debugfs_init(void) { } static inline void drbd_debugfs_cleanup(void) { } static inline void drbd_debugfs_resource_add(struct drbd_resource *resource) { } diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index 549c64df9708..ddbf56014c51 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* drbd_int.h @@ -7,19 +8,6 @@ Copyright (C) 1999-2008, Philipp Reisner <philipp.reisner@linbit.com>. Copyright (C) 2002-2008, Lars Ellenberg <lars.ellenberg@linbit.com>. - drbd is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - drbd 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 for more details. - - You should have received a copy of the GNU General Public License - along with drbd; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ @@ -1972,7 +1960,7 @@ static inline void wake_ack_receiver(struct drbd_connection *connection) { struct task_struct *task = connection->ack_receiver.task; if (task && get_t_state(&connection->ack_receiver) == RUNNING) - force_sig(SIGXCPU, task); + send_sig(SIGXCPU, task, 1); } static inline void request_ping(struct drbd_connection *connection) diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 714eb64fabfd..9bd4ddd12b25 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* drbd.c @@ -10,19 +11,6 @@ Thanks to Carter Burden, Bart Grantham and Gennadiy Nerubayev from Logicworks, Inc. for making SDP replication support possible. - drbd is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - drbd 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 for more details. - - You should have received a copy of the GNU General Public License - along with drbd; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ @@ -477,7 +465,7 @@ void _drbd_thread_stop(struct drbd_thread *thi, int restart, int wait) smp_mb(); init_completion(&thi->stop); if (thi->task != current) - force_sig(DRBD_SIGKILL, thi->task); + send_sig(DRBD_SIGKILL, thi->task, 1); } spin_unlock_irqrestore(&thi->t_lock, flags); @@ -3021,8 +3009,7 @@ static int __init drbd_init(void) spin_lock_init(&retry.lock); INIT_LIST_HEAD(&retry.writes); - if (drbd_debugfs_init()) - pr_notice("failed to initialize debugfs -- will not be available\n"); + drbd_debugfs_init(); pr_info("initialized. " "Version: " REL_VERSION " (api:%d/proto:%d-%d)\n", diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 1cb5a0b85fd9..5d52a2d32155 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* drbd_nl.c @@ -7,19 +8,6 @@ Copyright (C) 1999-2008, Philipp Reisner <philipp.reisner@linbit.com>. Copyright (C) 2002-2008, Lars Ellenberg <lars.ellenberg@linbit.com>. - drbd is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - drbd 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 for more details. - - You should have received a copy of the GNU General Public License - along with drbd; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ @@ -611,7 +599,7 @@ void conn_try_outdate_peer_async(struct drbd_connection *connection) struct task_struct *opa; kref_get(&connection->kref); - /* We may just have force_sig()'ed this thread + /* We may have just sent a signal to this thread * to get it out of some blocking network function. * Clear signals; otherwise kthread_run(), which internally uses * wait_on_completion_killable(), will mistake our pending signal diff --git a/drivers/block/drbd/drbd_proc.c b/drivers/block/drbd/drbd_proc.c index 74ef29247bb5..1c41cd9982a2 100644 --- a/drivers/block/drbd/drbd_proc.c +++ b/drivers/block/drbd/drbd_proc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* drbd_proc.c @@ -7,19 +8,6 @@ Copyright (C) 1999-2008, Philipp Reisner <philipp.reisner@linbit.com>. Copyright (C) 2002-2008, Lars Ellenberg <lars.ellenberg@linbit.com>. - drbd is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - drbd 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 for more details. - - You should have received a copy of the GNU General Public License - along with drbd; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index 6a727df02889..90ebfcae0ce6 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* drbd_receiver.c @@ -7,19 +8,6 @@ Copyright (C) 1999-2008, Philipp Reisner <philipp.reisner@linbit.com>. Copyright (C) 2002-2008, Lars Ellenberg <lars.ellenberg@linbit.com>. - drbd is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - drbd 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 for more details. - - You should have received a copy of the GNU General Public License - along with drbd; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c index 3809c7e6be8c..f86cea4c0f8d 100644 --- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* drbd_req.c @@ -7,19 +8,6 @@ Copyright (C) 1999-2008, Philipp Reisner <philipp.reisner@linbit.com>. Copyright (C) 2002-2008, Lars Ellenberg <lars.ellenberg@linbit.com>. - drbd is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - drbd 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 for more details. - - You should have received a copy of the GNU General Public License - along with drbd; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ diff --git a/drivers/block/drbd/drbd_req.h b/drivers/block/drbd/drbd_req.h index c2f569d2661b..55bb0f8721fa 100644 --- a/drivers/block/drbd/drbd_req.h +++ b/drivers/block/drbd/drbd_req.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* drbd_req.h @@ -7,19 +8,6 @@ Copyright (C) 2006-2008, Lars Ellenberg <lars.ellenberg@linbit.com>. Copyright (C) 2006-2008, Philipp Reisner <philipp.reisner@linbit.com>. - DRBD is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - DRBD 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 for more details. - - You should have received a copy of the GNU General Public License - along with drbd; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _DRBD_REQ_H diff --git a/drivers/block/drbd/drbd_state.c b/drivers/block/drbd/drbd_state.c index 2b4c0db5d867..eeaa3b49b264 100644 --- a/drivers/block/drbd/drbd_state.c +++ b/drivers/block/drbd/drbd_state.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* drbd_state.c @@ -10,19 +11,6 @@ Thanks to Carter Burden, Bart Grantham and Gennadiy Nerubayev from Logicworks, Inc. for making SDP replication support possible. - drbd is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - drbd 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 for more details. - - You should have received a copy of the GNU General Public License - along with drbd; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/drbd_limits.h> diff --git a/drivers/block/drbd/drbd_strings.c b/drivers/block/drbd/drbd_strings.c index 0eeab14776e9..fc01307607ea 100644 --- a/drivers/block/drbd/drbd_strings.c +++ b/drivers/block/drbd/drbd_strings.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* drbd.h @@ -7,19 +8,6 @@ Copyright (C) 2003-2008, Philipp Reisner <philipp.reisner@linbit.com>. Copyright (C) 2003-2008, Lars Ellenberg <lars.ellenberg@linbit.com>. - drbd is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - drbd 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 for more details. - - You should have received a copy of the GNU General Public License - along with drbd; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ diff --git a/drivers/block/drbd/drbd_vli.h b/drivers/block/drbd/drbd_vli.h index 8cb1532a3816..01e3babc5277 100644 --- a/drivers/block/drbd/drbd_vli.h +++ b/drivers/block/drbd/drbd_vli.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* -*- linux-c -*- drbd_receiver.c @@ -7,19 +8,6 @@ Copyright (C) 1999-2008, Philipp Reisner <philipp.reisner@linbit.com>. Copyright (C) 2002-2008, Lars Ellenberg <lars.ellenberg@linbit.com>. - drbd is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - drbd 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 for more details. - - You should have received a copy of the GNU General Public License - along with drbd; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _DRBD_VLI_H diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c index 6781bcf3ec26..5bdcc70ad589 100644 --- a/drivers/block/drbd/drbd_worker.c +++ b/drivers/block/drbd/drbd_worker.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* drbd_worker.c @@ -7,19 +8,6 @@ Copyright (C) 1999-2008, Philipp Reisner <philipp.reisner@linbit.com>. Copyright (C) 2002-2008, Lars Ellenberg <lars.ellenberg@linbit.com>. - drbd is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - drbd 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 for more details. - - You should have received a copy of the GNU General Public License - along with drbd; see the file COPYING. If not, write to - the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index b8998abd86a5..b933a7eea52b 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * linux/drivers/block/floppy.c * @@ -3899,7 +3900,7 @@ static void __init config_types(void) if (!UDP->cmos) UDP->cmos = FLOPPY0_TYPE; drive = 1; - if (!UDP->cmos && FLOPPY1_TYPE) + if (!UDP->cmos) UDP->cmos = FLOPPY1_TYPE; /* FIXME: additional physical CMOS drive detection should go here */ diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 102d79575895..44c9985f352a 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -264,20 +264,12 @@ lo_do_transfer(struct loop_device *lo, int cmd, return ret; } -static inline void loop_iov_iter_bvec(struct iov_iter *i, - unsigned int direction, const struct bio_vec *bvec, - unsigned long nr_segs, size_t count) -{ - iov_iter_bvec(i, direction, bvec, nr_segs, count); - i->type |= ITER_BVEC_FLAG_NO_REF; -} - static int lo_write_bvec(struct file *file, struct bio_vec *bvec, loff_t *ppos) { struct iov_iter i; ssize_t bw; - loop_iov_iter_bvec(&i, WRITE, bvec, 1, bvec->bv_len); + iov_iter_bvec(&i, WRITE, bvec, 1, bvec->bv_len); file_start_write(file); bw = vfs_iter_write(file, &i, ppos, 0); @@ -355,7 +347,7 @@ static int lo_read_simple(struct loop_device *lo, struct request *rq, ssize_t len; rq_for_each_segment(bvec, rq, iter) { - loop_iov_iter_bvec(&i, READ, &bvec, 1, bvec.bv_len); + iov_iter_bvec(&i, READ, &bvec, 1, bvec.bv_len); len = vfs_iter_read(lo->lo_backing_file, &i, &pos, 0); if (len < 0) return len; @@ -396,7 +388,7 @@ static int lo_read_transfer(struct loop_device *lo, struct request *rq, b.bv_offset = 0; b.bv_len = bvec.bv_len; - loop_iov_iter_bvec(&i, READ, &b, 1, b.bv_len); + iov_iter_bvec(&i, READ, &b, 1, b.bv_len); len = vfs_iter_read(lo->lo_backing_file, &i, &pos, 0); if (len < 0) { ret = len; @@ -563,7 +555,7 @@ static int lo_rw_aio(struct loop_device *lo, struct loop_cmd *cmd, } atomic_set(&cmd->ref, 2); - loop_iov_iter_bvec(&iter, rw, bvec, nr_bvec, blk_rq_bytes(rq)); + iov_iter_bvec(&iter, rw, bvec, nr_bvec, blk_rq_bytes(rq)); iter.iov_offset = offset; cmd->iocb.ki_pos = pos; @@ -945,9 +937,20 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode, if (!file) goto out; + /* + * If we don't hold exclusive handle for the device, upgrade to it + * here to avoid changing device under exclusive owner. + */ + if (!(mode & FMODE_EXCL)) { + bdgrab(bdev); + error = blkdev_get(bdev, mode | FMODE_EXCL, loop_set_fd); + if (error) + goto out_putf; + } + error = mutex_lock_killable(&loop_ctl_mutex); if (error) - goto out_putf; + goto out_bdev; error = -EBUSY; if (lo->lo_state != Lo_unbound) @@ -1012,10 +1015,15 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode, mutex_unlock(&loop_ctl_mutex); if (partscan) loop_reread_partitions(lo, bdev); + if (!(mode & FMODE_EXCL)) + blkdev_put(bdev, mode | FMODE_EXCL); return 0; out_unlock: mutex_unlock(&loop_ctl_mutex); +out_bdev: + if (!(mode & FMODE_EXCL)) + blkdev_put(bdev, mode | FMODE_EXCL); out_putf: fput(file); out: diff --git a/drivers/block/mtip32xx/Makefile b/drivers/block/mtip32xx/Makefile index 4fbef8c8329b..bff32b5d3c19 100644 --- a/drivers/block/mtip32xx/Makefile +++ b/drivers/block/mtip32xx/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only # # Makefile for Block device driver for Micron PCIe SSD # diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index f0105d118056..964f78cfffa0 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Driver for the Micron P320 SSD * Copyright (C) 2011 Micron Technology, Inc. @@ -5,17 +6,6 @@ * Portions of this code were derived from works subjected to the * following copyright: * Copyright (C) 2009 Integrated Device Technology, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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 for more details. - * */ #include <linux/pci.h> @@ -1587,7 +1577,6 @@ static int exec_drive_command(struct mtip_port *port, u8 *command, ATA_SECT_SIZE * xfer_sz); return -ENOMEM; } - memset(buf, 0, ATA_SECT_SIZE * xfer_sz); } /* Build the FIS. */ @@ -2786,7 +2775,6 @@ static int mtip_dma_alloc(struct driver_data *dd) &port->block1_dma, GFP_KERNEL); if (!port->block1) return -ENOMEM; - memset(port->block1, 0, BLOCK_DMA_ALLOC_SZ); /* Allocate dma memory for command list */ port->command_list = @@ -2799,7 +2787,6 @@ static int mtip_dma_alloc(struct driver_data *dd) port->block1_dma = 0; return -ENOMEM; } - memset(port->command_list, 0, AHCI_CMD_TBL_SZ); /* Setup all pointers into first DMA region */ port->rxfis = port->block1 + AHCI_RX_FIS_OFFSET; @@ -3539,8 +3526,6 @@ static int mtip_init_cmd(struct blk_mq_tag_set *set, struct request *rq, if (!cmd->command) return -ENOMEM; - memset(cmd->command, 0, CMD_DMA_ALLOC_SZ); - sg_init_table(cmd->sg, MTIP_MAX_SG); return 0; } @@ -3686,6 +3671,7 @@ skip_create_disk: blk_queue_physical_block_size(dd->queue, 4096); blk_queue_max_hw_sectors(dd->queue, 0xffff); blk_queue_max_segment_size(dd->queue, 0x400000); + dma_set_max_seg_size(&dd->pdev->dev, 0x400000); blk_queue_io_min(dd->queue, 4096); /* Set the capacity of the device in 512 byte sectors. */ diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h index 91c1cb5b1532..e22a7f0523bf 100644 --- a/drivers/block/mtip32xx/mtip32xx.h +++ b/drivers/block/mtip32xx/mtip32xx.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * mtip32xx.h - Header file for the P320 SSD Block Driver * Copyright (C) 2011 Micron Technology, Inc. @@ -5,17 +6,6 @@ * Portions of this code were derived from works subjected to the * following copyright: * Copyright (C) 2009 Integrated Device Technology, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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 for more details. - * */ #ifndef __MTIP32XX_H__ diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 053958a8a2ba..3a9bca3aa093 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Network block device - make block devices work over TCP * @@ -7,8 +8,6 @@ * Copyright 1997-2000, 2008 Pavel Machek <pavel@ucw.cz> * Parts copyright 2001 Steven Whitehouse <steve@chygwyn.com> * - * This file is released under GPLv2 or later. - * * (part of code stolen from loop.c) */ diff --git a/drivers/block/null_blk_main.c b/drivers/block/null_blk_main.c index d7ac09c092f2..99328ded60d1 100644 --- a/drivers/block/null_blk_main.c +++ b/drivers/block/null_blk_main.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Add configfs and memory store: Kyungchan Koh <kkc6196@fb.com> and * Shaohua Li <shli@fb.com> @@ -326,11 +327,12 @@ static ssize_t nullb_device_power_store(struct config_item *item, set_bit(NULLB_DEV_FL_CONFIGURED, &dev->flags); dev->power = newp; } else if (dev->power && !newp) { - mutex_lock(&lock); - dev->power = newp; - null_del_dev(dev->nullb); - mutex_unlock(&lock); - clear_bit(NULLB_DEV_FL_UP, &dev->flags); + if (test_and_clear_bit(NULLB_DEV_FL_UP, &dev->flags)) { + mutex_lock(&lock); + dev->power = newp; + null_del_dev(dev->nullb); + mutex_unlock(&lock); + } clear_bit(NULLB_DEV_FL_CONFIGURED, &dev->flags); } @@ -1196,7 +1198,7 @@ static blk_status_t null_handle_cmd(struct nullb_cmd *cmd) if (!cmd->error && dev->zoned) { sector_t sector; unsigned int nr_sectors; - int op; + enum req_opf op; if (dev->queue_mode == NULL_Q_BIO) { op = bio_op(cmd->bio); @@ -1487,7 +1489,6 @@ static int setup_queues(struct nullb *nullb) if (!nullb->queues) return -ENOMEM; - nullb->nr_queues = 0; nullb->queue_depth = nullb->dev->hw_queue_depth; return 0; diff --git a/drivers/block/null_blk_zoned.c b/drivers/block/null_blk_zoned.c index 5d1c261a2cfd..fca0c97ff1aa 100644 --- a/drivers/block/null_blk_zoned.c +++ b/drivers/block/null_blk_zoned.c @@ -74,10 +74,6 @@ int null_zone_report(struct gendisk *disk, sector_t sector, struct nullb_device *dev = nullb->dev; unsigned int zno, nrz = 0; - if (!dev->zoned) - /* Not a zoned null device */ - return -EOPNOTSUPP; - zno = null_zone_no(dev, sector); if (zno < dev->nr_zones) { nrz = min_t(unsigned int, *nr_zones, dev->nr_zones - zno); diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c index cc61c5ce3ad5..c5c6487a19d5 100644 --- a/drivers/block/ps3disk.c +++ b/drivers/block/ps3disk.c @@ -1,21 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * PS3 Disk Storage Driver * * Copyright (C) 2007 Sony Computer Entertainment Inc. * Copyright 2007 Sony Corp. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published - * by the Free Software Foundation; version 2 of the License. - * - * 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 for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include <linux/ata.h> diff --git a/drivers/block/ps3vram.c b/drivers/block/ps3vram.c index c0c50816a10b..4628e1a27a2b 100644 --- a/drivers/block/ps3vram.c +++ b/drivers/block/ps3vram.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * ps3vram - Use extra PS3 video ram as block device. * @@ -766,7 +767,7 @@ static int ps3vram_probe(struct ps3_system_bus_device *dev) strlcpy(gendisk->disk_name, DEVICE_NAME, sizeof(gendisk->disk_name)); set_capacity(gendisk, priv->size >> 9); - dev_info(&dev->core, "%s: Using %lu MiB of GPU memory\n", + dev_info(&dev->core, "%s: Using %llu MiB of GPU memory\n", gendisk->disk_name, get_capacity(gendisk) >> 11); device_add_disk(&dev->core, gendisk, NULL); diff --git a/drivers/block/rsxx/Makefile b/drivers/block/rsxx/Makefile index b1c53c0aa450..7ef158099d33 100644 --- a/drivers/block/rsxx/Makefile +++ b/drivers/block/rsxx/Makefile @@ -1,2 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_BLK_DEV_RSXX) += rsxx.o rsxx-objs := config.o core.o cregs.o dev.o dma.o diff --git a/drivers/block/rsxx/config.c b/drivers/block/rsxx/config.c index 10cd530d3e10..11ed1d9646b9 100644 --- a/drivers/block/rsxx/config.c +++ b/drivers/block/rsxx/config.c @@ -1,25 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Filename: config.c * -* * Authors: Joshua Morris <josh.h.morris@us.ibm.com> * Philip Kelleher <pjk1939@linux.vnet.ibm.com> * * (C) Copyright 2013 IBM Corporation -* -* This program is free software; you can redistribute it and/or -* modify it under the terms of the GNU General Public License as -* published by the Free Software Foundation; either version 2 of the -* License, or (at your option) any later version. -* -* 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 for more details. -* -* You should have received a copy of the GNU General Public License -* along with this program; if not, write to the Free Software Foundation, -* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/types.h> diff --git a/drivers/block/rsxx/core.c b/drivers/block/rsxx/core.c index 898d522e8338..76b73ddf8fd7 100644 --- a/drivers/block/rsxx/core.c +++ b/drivers/block/rsxx/core.c @@ -1,25 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Filename: core.c * -* * Authors: Joshua Morris <josh.h.morris@us.ibm.com> * Philip Kelleher <pjk1939@linux.vnet.ibm.com> * * (C) Copyright 2013 IBM Corporation -* -* This program is free software; you can redistribute it and/or -* modify it under the terms of the GNU General Public License as -* published by the Free Software Foundation; either version 2 of the -* License, or (at your option) any later version. -* -* 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 for more details. -* -* You should have received a copy of the GNU General Public License -* along with this program; if not, write to the Free Software Foundation, -* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/kernel.h> @@ -781,7 +767,6 @@ static int rsxx_pci_probe(struct pci_dev *dev, goto failed_enable; pci_set_master(dev); - dma_set_max_seg_size(&dev->dev, RSXX_HW_BLK_SIZE); st = dma_set_mask(&dev->dev, DMA_BIT_MASK(64)); if (st) { diff --git a/drivers/block/rsxx/cregs.c b/drivers/block/rsxx/cregs.c index d9a8758682c9..60ecd3f7cbd2 100644 --- a/drivers/block/rsxx/cregs.c +++ b/drivers/block/rsxx/cregs.c @@ -1,25 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Filename: cregs.c * -* * Authors: Joshua Morris <josh.h.morris@us.ibm.com> * Philip Kelleher <pjk1939@linux.vnet.ibm.com> * * (C) Copyright 2013 IBM Corporation -* -* This program is free software; you can redistribute it and/or -* modify it under the terms of the GNU General Public License as -* published by the Free Software Foundation; either version 2 of the -* License, or (at your option) any later version. -* -* 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 for more details. -* -* You should have received a copy of the GNU General Public License -* along with this program; if not, write to the Free Software Foundation, -* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/completion.h> diff --git a/drivers/block/rsxx/dev.c b/drivers/block/rsxx/dev.c index 3894aa0f350b..c47d28b2ce44 100644 --- a/drivers/block/rsxx/dev.c +++ b/drivers/block/rsxx/dev.c @@ -1,25 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Filename: dev.c * -* * Authors: Joshua Morris <josh.h.morris@us.ibm.com> * Philip Kelleher <pjk1939@linux.vnet.ibm.com> * * (C) Copyright 2013 IBM Corporation -* -* This program is free software; you can redistribute it and/or -* modify it under the terms of the GNU General Public License as -* published by the Free Software Foundation; either version 2 of the -* License, or (at your option) any later version. -* -* 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 for more details. -* -* You should have received a copy of the GNU General Public License -* along with this program; if not, write to the Free Software Foundation, -* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/kernel.h> diff --git a/drivers/block/rsxx/dma.c b/drivers/block/rsxx/dma.c index af9cf0215164..111eb659e66d 100644 --- a/drivers/block/rsxx/dma.c +++ b/drivers/block/rsxx/dma.c @@ -1,25 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Filename: dma.c * -* * Authors: Joshua Morris <josh.h.morris@us.ibm.com> * Philip Kelleher <pjk1939@linux.vnet.ibm.com> * * (C) Copyright 2013 IBM Corporation -* -* This program is free software; you can redistribute it and/or -* modify it under the terms of the GNU General Public License as -* published by the Free Software Foundation; either version 2 of the -* License, or (at your option) any later version. -* -* 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 for more details. -* -* You should have received a copy of the GNU General Public License -* along with this program; if not, write to the Free Software Foundation, -* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/slab.h> diff --git a/drivers/block/rsxx/rsxx.h b/drivers/block/rsxx/rsxx.h index 24ba3642bd89..4f84905a6fd2 100644 --- a/drivers/block/rsxx/rsxx.h +++ b/drivers/block/rsxx/rsxx.h @@ -1,25 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Filename: rsxx.h * -* * Authors: Joshua Morris <josh.h.morris@us.ibm.com> * Philip Kelleher <pjk1939@linux.vnet.ibm.com> * * (C) Copyright 2013 IBM Corporation -* -* This program is free software; you can redistribute it and/or -* modify it under the terms of the GNU General Public License as -* published by the Free Software Foundation; either version 2 of the -* License, or (at your option) any later version. -* -* 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 for more details. -* -* You should have received a copy of the GNU General Public License -* along with this program; if not, write to the Free Software Foundation, -* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __RSXX_H__ diff --git a/drivers/block/rsxx/rsxx_cfg.h b/drivers/block/rsxx/rsxx_cfg.h index f384c943846d..2b79015f5849 100644 --- a/drivers/block/rsxx/rsxx_cfg.h +++ b/drivers/block/rsxx/rsxx_cfg.h @@ -1,25 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Filename: rsXX_cfg.h * -* * Authors: Joshua Morris <josh.h.morris@us.ibm.com> * Philip Kelleher <pjk1939@linux.vnet.ibm.com> * * (C) Copyright 2013 IBM Corporation -* -* This program is free software; you can redistribute it and/or -* modify it under the terms of the GNU General Public License as -* published by the Free Software Foundation; either version 2 of the -* License, or (at your option) any later version. -* -* 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 for more details. -* -* You should have received a copy of the GNU General Public License -* along with this program; if not, write to the Free Software Foundation, -* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __RSXX_CFG_H__ diff --git a/drivers/block/rsxx/rsxx_priv.h b/drivers/block/rsxx/rsxx_priv.h index 277f27e673a2..4861669e5786 100644 --- a/drivers/block/rsxx/rsxx_priv.h +++ b/drivers/block/rsxx/rsxx_priv.h @@ -1,25 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Filename: rsxx_priv.h * -* * Authors: Joshua Morris <josh.h.morris@us.ibm.com> * Philip Kelleher <pjk1939@linux.vnet.ibm.com> * * (C) Copyright 2013 IBM Corporation -* -* This program is free software; you can redistribute it and/or -* modify it under the terms of the GNU General Public License as -* published by the Free Software Foundation; either version 2 of the -* License, or (at your option) any later version. -* -* 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 for more details. -* -* You should have received a copy of the GNU General Public License -* along with this program; if not, write to the Free Software Foundation, -* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __RSXX_PRIV_H__ diff --git a/drivers/block/skd_main.c b/drivers/block/skd_main.c index 7d3ad6c22ee5..51569c199a6c 100644 --- a/drivers/block/skd_main.c +++ b/drivers/block/skd_main.c @@ -1,12 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Driver for sTec s1120 PCIe SSDs. sTec was acquired in 2013 by HGST and HGST * was acquired by Western Digital in 2012. * * Copyright 2012 sTec, Inc. * Copyright (c) 2017 Western Digital Corporation or its affiliates. - * - * This file is part of the Linux kernel, and is made available under - * the terms of the GNU General Public License version 2. */ #include <linux/kernel.h> @@ -2696,7 +2694,6 @@ static int skd_cons_skmsg(struct skd_device *skdev) (FIT_QCMD_ALIGN - 1), "not aligned: msg_buf %p mb_dma_address %pad\n", skmsg->msg_buf, &skmsg->mb_dma_address); - memset(skmsg->msg_buf, 0, SKD_N_FITMSG_BYTES); } err_out: diff --git a/drivers/block/skd_s1120.h b/drivers/block/skd_s1120.h index de35f47e953c..c30bb98c7cd2 100644 --- a/drivers/block/skd_s1120.h +++ b/drivers/block/skd_s1120.h @@ -1,9 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright 2012 STEC, Inc. * Copyright (c) 2017 Western Digital Corporation or its affiliates. - * - * This file is part of the Linux kernel, and is made available under - * the terms of the GNU General Public License version 2. */ diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c index 26937ba28f78..6b2fd630de85 100644 --- a/drivers/block/sunvdc.c +++ b/drivers/block/sunvdc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* sunvdc.c: Sun LDOM Virtual Disk Client. * * Copyright (C) 2007, 2008 David S. Miller <davem@davemloft.net> diff --git a/drivers/block/swim.c b/drivers/block/swim.c index 67b5ec281c6d..4c297f69171d 100644 --- a/drivers/block/swim.c +++ b/drivers/block/swim.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Driver for SWIM (Sander Woz Integrated Machine) floppy controller * @@ -7,11 +8,6 @@ * based on SWIM3 driver (c) Paul Mackerras, 1996 * based on netBSD IWM driver (c) 1997, 1998 Hauke Fath. * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * * 2004-08-21 (lv) - Initial implementation * 2008-10-30 (lv) - Port to 2.6 */ diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c index cf42729c788e..aa77eb5fb7de 100644 --- a/drivers/block/swim3.c +++ b/drivers/block/swim3.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Driver for the SWIM3 (Super Woz Integrated Machine 3) * floppy controller found on Power Macintoshes. * * Copyright (C) 1996 Paul Mackerras. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ /* diff --git a/drivers/block/swim_asm.S b/drivers/block/swim_asm.S index c9668206857b..3d7a2d87595a 100644 --- a/drivers/block/swim_asm.S +++ b/drivers/block/swim_asm.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * low-level functions for the SWIM floppy controller * @@ -9,11 +10,6 @@ * based on Alastair Bridgewater SWIM analysis, 2001 * based on netBSD IWM driver (c) 1997, 1998 Hauke Fath. * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * * 2004-08-21 (lv) - Initial implementation * 2008-11-05 (lv) - add get_swim_mode */ diff --git a/drivers/block/umem.c b/drivers/block/umem.c index aa035cf8a51d..1f3f9e0f02a8 100644 --- a/drivers/block/umem.c +++ b/drivers/block/umem.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * mm.c - Micro Memory(tm) PCI memory board block device driver - v2.3 * @@ -8,10 +9,6 @@ * This driver for the Micro Memory PCI Memory Module with Battery Backup * is Copyright Micro Memory Inc 2001-2002. All rights reserved. * - * This driver is released to the public under the terms of the - * GNU GENERAL PUBLIC LICENSE version 2 - * See the file COPYING for details. - * * This driver provides a standard block device interface for Micro Memory(tm) * PCI based RAM boards. * 10/05/01: Phap Nguyen - Rebuilt the driver diff --git a/drivers/block/umem.h b/drivers/block/umem.h index 375c68974c9a..58384978ff05 100644 --- a/drivers/block/umem.h +++ b/drivers/block/umem.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * This file contains defines for the @@ -5,8 +6,6 @@ * family PCI Memory Module with Battery Backup. * * Copyright Micro Memory INC 2001. All rights reserved. - * Release under the terms of the GNU GENERAL PUBLIC LICENSE version 2. - * See the file COPYING. */ #ifndef _DRIVERS_BLOCK_MM_H diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index f1d90cd3dc47..7ffd719d89de 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only //#define DEBUG #include <linux/spinlock.h> #include <linux/slab.h> diff --git a/drivers/block/xen-blkback/Makefile b/drivers/block/xen-blkback/Makefile index e491c1b76878..b0ea5ab5b9a1 100644 --- a/drivers/block/xen-blkback/Makefile +++ b/drivers/block/xen-blkback/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_XEN_BLKDEV_BACKEND) := xen-blkback.o xen-blkback-y := blkback.o xenbus.o diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c index 24896ffb04ed..3ac6a5d18071 100644 --- a/drivers/block/xen-blkback/xenbus.c +++ b/drivers/block/xen-blkback/xenbus.c @@ -1,16 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* Xenbus code for blkif backend Copyright (C) 2005 Rusty Russell <rusty@rustcorp.com.au> Copyright (C) 2005 XenSource Ltd - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - 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 for more details. */ diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index d43a5677ccbc..a74d03913822 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -1310,11 +1310,11 @@ static void blkif_free_ring(struct blkfront_ring_info *rinfo) } free_shadow: - kfree(rinfo->shadow[i].grants_used); + kvfree(rinfo->shadow[i].grants_used); rinfo->shadow[i].grants_used = NULL; - kfree(rinfo->shadow[i].indirect_grants); + kvfree(rinfo->shadow[i].indirect_grants); rinfo->shadow[i].indirect_grants = NULL; - kfree(rinfo->shadow[i].sg); + kvfree(rinfo->shadow[i].sg); rinfo->shadow[i].sg = NULL; } @@ -1353,7 +1353,7 @@ static void blkif_free(struct blkfront_info *info, int suspend) for (i = 0; i < info->nr_rings; i++) blkif_free_ring(&info->rinfo[i]); - kfree(info->rinfo); + kvfree(info->rinfo); info->rinfo = NULL; info->nr_rings = 0; } @@ -1914,9 +1914,9 @@ static int negotiate_mq(struct blkfront_info *info) if (!info->nr_rings) info->nr_rings = 1; - info->rinfo = kcalloc(info->nr_rings, - sizeof(struct blkfront_ring_info), - GFP_KERNEL); + info->rinfo = kvcalloc(info->nr_rings, + sizeof(struct blkfront_ring_info), + GFP_KERNEL); if (!info->rinfo) { xenbus_dev_fatal(info->xbdev, -ENOMEM, "allocating ring_info structure"); info->nr_rings = 0; @@ -2232,17 +2232,17 @@ static int blkfront_setup_indirect(struct blkfront_ring_info *rinfo) for (i = 0; i < BLK_RING_SIZE(info); i++) { rinfo->shadow[i].grants_used = - kcalloc(grants, - sizeof(rinfo->shadow[i].grants_used[0]), - GFP_NOIO); - rinfo->shadow[i].sg = kcalloc(psegs, - sizeof(rinfo->shadow[i].sg[0]), - GFP_NOIO); + kvcalloc(grants, + sizeof(rinfo->shadow[i].grants_used[0]), + GFP_NOIO); + rinfo->shadow[i].sg = kvcalloc(psegs, + sizeof(rinfo->shadow[i].sg[0]), + GFP_NOIO); if (info->max_indirect_segments) rinfo->shadow[i].indirect_grants = - kcalloc(INDIRECT_GREFS(grants), - sizeof(rinfo->shadow[i].indirect_grants[0]), - GFP_NOIO); + kvcalloc(INDIRECT_GREFS(grants), + sizeof(rinfo->shadow[i].indirect_grants[0]), + GFP_NOIO); if ((rinfo->shadow[i].grants_used == NULL) || (rinfo->shadow[i].sg == NULL) || (info->max_indirect_segments && @@ -2256,11 +2256,11 @@ static int blkfront_setup_indirect(struct blkfront_ring_info *rinfo) out_of_memory: for (i = 0; i < BLK_RING_SIZE(info); i++) { - kfree(rinfo->shadow[i].grants_used); + kvfree(rinfo->shadow[i].grants_used); rinfo->shadow[i].grants_used = NULL; - kfree(rinfo->shadow[i].sg); + kvfree(rinfo->shadow[i].sg); rinfo->shadow[i].sg = NULL; - kfree(rinfo->shadow[i].indirect_grants); + kvfree(rinfo->shadow[i].indirect_grants); rinfo->shadow[i].indirect_grants = NULL; } if (!list_empty(&rinfo->indirect_pages)) { diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c index 464c9092bc8b..5d8e0ab3f054 100644 --- a/drivers/block/xsysace.c +++ b/drivers/block/xsysace.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Xilinx SystemACE device driver * * Copyright 2007 Secret Lab Technologies Ltd. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. */ /* diff --git a/drivers/block/zram/Makefile b/drivers/block/zram/Makefile index 9e2b79e9a990..de9e457907b1 100644 --- a/drivers/block/zram/Makefile +++ b/drivers/block/zram/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only zram-y := zcomp.o zram_drv.o obj-$(CONFIG_ZRAM) += zram.o diff --git a/drivers/block/zram/zcomp.c b/drivers/block/zram/zcomp.c index 4d9a38890965..1a8564a79d8d 100644 --- a/drivers/block/zram/zcomp.c +++ b/drivers/block/zram/zcomp.c @@ -1,10 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2014 Sergey Senozhatsky. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/block/zram/zcomp.h b/drivers/block/zram/zcomp.h index 41c1002a7d7d..1806475b919d 100644 --- a/drivers/block/zram/zcomp.h +++ b/drivers/block/zram/zcomp.h @@ -1,10 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2014 Sergey Senozhatsky. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #ifndef _ZCOMP_H_ |