diff options
Diffstat (limited to 'include/linux')
82 files changed, 119 insertions, 875 deletions
diff --git a/include/linux/ahci_platform.h b/include/linux/ahci_platform.h index eaedca5fe6fc..6782f0d45ebe 100644 --- a/include/linux/ahci_platform.h +++ b/include/linux/ahci_platform.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * AHCI SATA platform driver * @@ -5,11 +6,6 @@ * Jeff Garzik <jgarzik@pobox.com> * Copyright 2010 MontaVista Software, LLC. * Anton Vorontsov <avorontsov@ru.mvista.com> - * - * 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, or (at your option) - * any later version. */ #ifndef _AHCI_PLATFORM_H diff --git a/include/linux/apm_bios.h b/include/linux/apm_bios.h index 9c3a87184f48..7554192c3ae3 100644 --- a/include/linux/apm_bios.h +++ b/include/linux/apm_bios.h @@ -1,16 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Include file for the interface to an APM BIOS * Copyright 1994-2001 Stephen Rothwell (sfr@canb.auug.org.au) - * - * 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, 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 _LINUX_APM_H #define _LINUX_APM_H diff --git a/include/linux/asn1.h b/include/linux/asn1.h index eed6982860ba..a4d0bdd10711 100644 --- a/include/linux/asn1.h +++ b/include/linux/asn1.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* ASN.1 BER/DER/CER encoding definitions * * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public Licence - * as published by the Free Software Foundation; either version - * 2 of the Licence, or (at your option) any later version. */ #ifndef _LINUX_ASN1_H diff --git a/include/linux/asn1_ber_bytecode.h b/include/linux/asn1_ber_bytecode.h index ab3a6c002f7b..b38361953a48 100644 --- a/include/linux/asn1_ber_bytecode.h +++ b/include/linux/asn1_ber_bytecode.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* ASN.1 BER/DER/CER parsing state machine internal definitions * * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public Licence - * as published by the Free Software Foundation; either version - * 2 of the Licence, or (at your option) any later version. */ #ifndef _LINUX_ASN1_BER_BYTECODE_H diff --git a/include/linux/asn1_decoder.h b/include/linux/asn1_decoder.h index fa2ff5bc0483..83f9c6e1e5e9 100644 --- a/include/linux/asn1_decoder.h +++ b/include/linux/asn1_decoder.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* ASN.1 decoder * * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public Licence - * as published by the Free Software Foundation; either version - * 2 of the Licence, or (at your option) any later version. */ #ifndef _LINUX_ASN1_DECODER_H diff --git a/include/linux/assoc_array.h b/include/linux/assoc_array.h index 65e3832f96b2..8b3f230ce894 100644 --- a/include/linux/assoc_array.h +++ b/include/linux/assoc_array.h @@ -1,14 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* Generic associative array implementation. * * See Documentation/core-api/assoc_array.rst for information. * * Copyright (C) 2013 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public Licence - * as published by the Free Software Foundation; either version - * 2 of the Licence, or (at your option) any later version. */ #ifndef _LINUX_ASSOC_ARRAY_H diff --git a/include/linux/assoc_array_priv.h b/include/linux/assoc_array_priv.h index a00a06550c10..dca733ef6750 100644 --- a/include/linux/assoc_array_priv.h +++ b/include/linux/assoc_array_priv.h @@ -1,14 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* Private definitions for the generic associative array implementation. * * See Documentation/core-api/assoc_array.rst for information. * * Copyright (C) 2013 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public Licence - * as published by the Free Software Foundation; either version - * 2 of the Licence, or (at your option) any later version. */ #ifndef _LINUX_ASSOC_ARRAY_PRIV_H diff --git a/include/linux/auto_dev-ioctl.h b/include/linux/auto_dev-ioctl.h index 28c15050ebe6..6e1ca6f95f80 100644 --- a/include/linux/auto_dev-ioctl.h +++ b/include/linux/auto_dev-ioctl.h @@ -1,10 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright 2008 Red Hat, Inc. All rights reserved. * Copyright 2008 Ian Kent <raven@themaw.net> - * - * This file is part of the Linux kernel and is made available under - * the terms of the GNU General Public License, version 2, or at your - * option, any later version, incorporated herein by reference. */ #ifndef _LINUX_AUTO_DEV_IOCTL_H diff --git a/include/linux/auto_fs.h b/include/linux/auto_fs.h index b8f814c95cf5..893f952ca40c 100644 --- a/include/linux/auto_fs.h +++ b/include/linux/auto_fs.h @@ -1,9 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright 1997 Transmeta Corporation - All Rights Reserved - * - * This file is part of the Linux kernel and is made available under - * the terms of the GNU General Public License, version 2, or at your - * option, any later version, incorporated herein by reference. */ #ifndef _LINUX_AUTO_FS_H diff --git a/include/linux/bio.h b/include/linux/bio.h index ea73df36529a..0f23b5682640 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -210,7 +210,7 @@ static inline void bio_cnt_set(struct bio *bio, unsigned int count) { if (count != 1) { bio->bi_flags |= (1 << BIO_REFFED); - smp_mb__before_atomic(); + smp_mb(); } atomic_set(&bio->__bi_cnt, count); } diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index be418275763c..95202f80676c 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -159,13 +159,6 @@ struct bio { */ unsigned int bi_phys_segments; - /* - * To keep track of the max segment size, we account for the - * sizes of the first and last mergeable segments in this bio. - */ - unsigned int bi_seg_front_size; - unsigned int bi_seg_back_size; - struct bvec_iter bi_iter; atomic_t __bi_remaining; diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 1aafeb923e7b..592669bcc536 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -542,7 +542,7 @@ struct request_queue { struct list_head unused_hctx_list; spinlock_t unused_hctx_lock; - atomic_t mq_freeze_depth; + int mq_freeze_depth; #if defined(CONFIG_BLK_DEV_BSG) struct bsg_class_device bsg_dev; @@ -554,6 +554,11 @@ struct request_queue { #endif struct rcu_head rcu_head; wait_queue_head_t mq_freeze_wq; + /* + * Protect concurrent access to q_usage_counter by + * percpu_ref_kill() and percpu_ref_reinit(). + */ + struct mutex mq_freeze_lock; struct percpu_ref q_usage_counter; struct blk_mq_tag_set *tag_set; diff --git a/include/linux/bma150.h b/include/linux/bma150.h index 97ade7cdc870..31c9e323a391 100644 --- a/include/linux/bma150.h +++ b/include/linux/bma150.h @@ -1,20 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (c) 2011 Bosch Sensortec GmbH * Copyright (c) 2011 Unixphere - * - * 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _BMA150_H_ diff --git a/include/linux/count_zeros.h b/include/linux/count_zeros.h index 363da78c4f64..5b8ff5ac660d 100644 --- a/include/linux/count_zeros.h +++ b/include/linux/count_zeros.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* Count leading and trailing zeros functions * * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public Licence - * as published by the Free Software Foundation; either version - * 2 of the Licence, or (at your option) any later version. */ #ifndef _LINUX_BITOPS_COUNT_ZEROS_H_ diff --git a/include/linux/cred.h b/include/linux/cred.h index efb6edf32de7..7eb43a038330 100644 --- a/include/linux/cred.h +++ b/include/linux/cred.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* Credentials management - see Documentation/security/credentials.rst * * Copyright (C) 2008 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public Licence - * as published by the Free Software Foundation; either version - * 2 of the Licence, or (at your option) any later version. */ #ifndef _LINUX_CRED_H diff --git a/include/linux/dax.h b/include/linux/dax.h index 0dd316a74a29..becaea5f4488 100644 --- a/include/linux/dax.h +++ b/include/linux/dax.h @@ -19,6 +19,12 @@ struct dax_operations { */ long (*direct_access)(struct dax_device *, pgoff_t, long, void **, pfn_t *); + /* + * Validate whether this device is usable as an fsdax backing + * device. + */ + bool (*dax_supported)(struct dax_device *, struct block_device *, int, + sector_t, sector_t); /* copy_from_iter: required operation for fs-dax direct-i/o */ size_t (*copy_from_iter)(struct dax_device *, pgoff_t, void *, size_t, struct iov_iter *); @@ -75,6 +81,17 @@ static inline bool bdev_dax_supported(struct block_device *bdev, int blocksize) return __bdev_dax_supported(bdev, blocksize); } +bool __generic_fsdax_supported(struct dax_device *dax_dev, + struct block_device *bdev, int blocksize, sector_t start, + sector_t sectors); +static inline bool generic_fsdax_supported(struct dax_device *dax_dev, + struct block_device *bdev, int blocksize, sector_t start, + sector_t sectors) +{ + return __generic_fsdax_supported(dax_dev, bdev, blocksize, start, + sectors); +} + static inline struct dax_device *fs_dax_get_by_host(const char *host) { return dax_get_by_host(host); @@ -99,6 +116,13 @@ static inline bool bdev_dax_supported(struct block_device *bdev, return false; } +static inline bool generic_fsdax_supported(struct dax_device *dax_dev, + struct block_device *bdev, int blocksize, sector_t start, + sector_t sectors) +{ + return false; +} + static inline struct dax_device *fs_dax_get_by_host(const char *host) { return NULL; @@ -142,6 +166,8 @@ bool dax_alive(struct dax_device *dax_dev); void *dax_get_private(struct dax_device *dax_dev); long dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff, long nr_pages, void **kaddr, pfn_t *pfn); +bool dax_supported(struct dax_device *dax_dev, struct block_device *bdev, + int blocksize, sector_t start, sector_t len); size_t dax_copy_from_iter(struct dax_device *dax_dev, pgoff_t pgoff, void *addr, size_t bytes, struct iov_iter *i); size_t dax_copy_to_iter(struct dax_device *dax_dev, pgoff_t pgoff, void *addr, diff --git a/include/linux/dca.h b/include/linux/dca.h index ad956c2e07a8..d6228e334f48 100644 --- a/include/linux/dca.h +++ b/include/linux/dca.h @@ -1,22 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright(c) 2007 - 2009 Intel Corporation. All rights reserved. - * - * 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. - * - * The full GNU General Public License is included in this distribution in the - * file called COPYING. */ #ifndef DCA_H #define DCA_H diff --git a/include/linux/devpts_fs.h b/include/linux/devpts_fs.h index 100cb4343763..45f746a48dcd 100644 --- a/include/linux/devpts_fs.h +++ b/include/linux/devpts_fs.h @@ -1,13 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* -*- linux-c -*- --------------------------------------------------------- * * * linux/include/linux/devpts_fs.h * * Copyright 1998-2004 H. Peter Anvin -- All Rights Reserved * - * This file is part of the Linux kernel and is made available under - * the terms of the GNU General Public License, version 2, or at your - * option, any later version, incorporated herein by reference. - * * --------------------------------------------------------------------- |