From: Gao Xiang <gaoxiang25@huawei.com> To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, <devel@driverdev.osuosl.org> Cc: <linux-fsdevel@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <linux-erofs@lists.ozlabs.org>, <yuchao0@huawei.com>, <miaoxie@huawei.com>, <weidu.du@huawei.com>, <hsiangkao@aol.com>, <chao@kernel.org>, Gao Xiang <gaoxiang25@huawei.com> Subject: [PATCH 19/25] staging: erofs: add a generic z_erofs VLE decompressor Date: Thu, 26 Jul 2018 20:22:02 +0800 [thread overview] Message-ID: <1532607728-103372-20-git-send-email-gaoxiang25@huawei.com> (raw) In-Reply-To: <1532607728-103372-1-git-send-email-gaoxiang25@huawei.com> Currently, this patch only simply implements LZ4 decompressor due to its development priority. In the future, erofs will support more compression algorithm and format other than LZ4, thus a generic decompressor interface will be needed. Signed-off-by: Gao Xiang <gaoxiang25@huawei.com> --- drivers/staging/erofs/Kconfig | 14 +++ drivers/staging/erofs/Makefile | 2 +- drivers/staging/erofs/internal.h | 5 + drivers/staging/erofs/unzip_vle.h | 35 ++++++ drivers/staging/erofs/unzip_vle_lz4.c | 209 ++++++++++++++++++++++++++++++++++ 5 files changed, 264 insertions(+), 1 deletion(-) create mode 100644 drivers/staging/erofs/unzip_vle.h create mode 100644 drivers/staging/erofs/unzip_vle_lz4.c diff --git a/drivers/staging/erofs/Kconfig b/drivers/staging/erofs/Kconfig index 63bec70..b55ce1c 100644 --- a/drivers/staging/erofs/Kconfig +++ b/drivers/staging/erofs/Kconfig @@ -87,3 +87,17 @@ config EROFS_FS_ZIP If you don't want to use compression feature, say N. +config EROFS_FS_CLUSTER_PAGE_LIMIT + int "EROFS Cluster Pages Hard Limit" + depends on EROFS_FS_ZIP + range 1 256 + default "1" + help + Indicates VLE compressed pages hard limit of a + compressed cluster. + + For example, if files of a image are compressed + into 8k-unit, the hard limit should not be less + than 2. Otherwise, the image cannot be mounted + correctly on this kernel. + diff --git a/drivers/staging/erofs/Makefile b/drivers/staging/erofs/Makefile index e409637..9a766eb 100644 --- a/drivers/staging/erofs/Makefile +++ b/drivers/staging/erofs/Makefile @@ -9,5 +9,5 @@ obj-$(CONFIG_EROFS_FS) += erofs.o ccflags-y += -I$(src)/include erofs-objs := super.o inode.o data.o namei.o dir.o utils.o erofs-$(CONFIG_EROFS_FS_XATTR) += xattr.o -erofs-$(CONFIG_EROFS_FS_ZIP) += unzip_vle.o unzip_lz4.o +erofs-$(CONFIG_EROFS_FS_ZIP) += unzip_vle.o unzip_lz4.o unzip_vle_lz4.o diff --git a/drivers/staging/erofs/internal.h b/drivers/staging/erofs/internal.h index 6a0f045..e61d417 100644 --- a/drivers/staging/erofs/internal.h +++ b/drivers/staging/erofs/internal.h @@ -161,6 +161,11 @@ static inline void *erofs_kmalloc(struct erofs_sb_info *sbi, #define ROOT_NID(sb) ((sb)->root_nid) +#ifdef CONFIG_EROFS_FS_ZIP +/* hard limit of pages per compressed cluster */ +#define Z_EROFS_CLUSTER_MAX_PAGES (CONFIG_EROFS_FS_CLUSTER_PAGE_LIMIT) +#endif + typedef u64 erofs_off_t; /* data type for filesystem-wide blocks number */ diff --git a/drivers/staging/erofs/unzip_vle.h b/drivers/staging/erofs/unzip_vle.h new file mode 100644 index 0000000..b34f5bc --- /dev/null +++ b/drivers/staging/erofs/unzip_vle.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * linux/drivers/staging/erofs/unzip_vle.h + * + * Copyright (C) 2018 HUAWEI, Inc. + * http://www.huawei.com/ + * Created by Gao Xiang <gaoxiang25@huawei.com> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of the Linux + * distribution for more details. + */ +#ifndef __EROFS_FS_UNZIP_VLE_H +#define __EROFS_FS_UNZIP_VLE_H + +#include "internal.h" + +#define Z_EROFS_VLE_INLINE_PAGEVECS 3 + +/* unzip_vle_lz4.c */ +extern int z_erofs_vle_plain_copy(struct page **compressed_pages, + unsigned clusterpages, struct page **pages, + unsigned nr_pages, unsigned short pageofs); + +extern int z_erofs_vle_unzip_fast_percpu(struct page **compressed_pages, + unsigned clusterpages, struct page **pages, + unsigned outlen, unsigned short pageofs, + void (*endio)(struct page *)); + +extern int z_erofs_vle_unzip_vmap(struct page **compressed_pages, + unsigned clusterpages, void *vaddr, unsigned llen, + unsigned short pageofs, bool overlapped); + +#endif + diff --git a/drivers/staging/erofs/unzip_vle_lz4.c b/drivers/staging/erofs/unzip_vle_lz4.c new file mode 100644 index 0000000..f5b665f --- /dev/null +++ b/drivers/staging/erofs/unzip_vle_lz4.c @@ -0,0 +1,209 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * linux/drivers/staging/erofs/unzip_vle_lz4.c + * + * Copyright (C) 2018 HUAWEI, Inc. + * http://www.huawei.com/ + * Created by Gao Xiang <gaoxiang25@huawei.com> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of the Linux + * distribution for more details. + */ +#include "unzip_vle.h" + +#if Z_EROFS_CLUSTER_MAX_PAGES > Z_EROFS_VLE_INLINE_PAGEVECS +#define EROFS_PERCPU_NR_PAGES Z_EROFS_CLUSTER_MAX_PAGES +#else +#define EROFS_PERCPU_NR_PAGES Z_EROFS_VLE_INLINE_PAGEVECS +#endif + +static struct { + char data[PAGE_SIZE * EROFS_PERCPU_NR_PAGES]; +} erofs_pcpubuf[NR_CPUS]; + +int z_erofs_vle_plain_copy(struct page **compressed_pages, + unsigned clusterpages, + struct page **pages, + unsigned nr_pages, + unsigned short pageofs) +{ + unsigned i, j; + void *src = NULL; + const unsigned righthalf = PAGE_SIZE - pageofs; + char *percpu_data; + bool mirrored[Z_EROFS_CLUSTER_MAX_PAGES] = { 0 }; + + preempt_disable(); + percpu_data = erofs_pcpubuf[smp_processor_id()].data; + + j = 0; + for (i = 0; i < nr_pages; j = i++) { + struct page *page = pages[i]; + void *dst; + + if (page == NULL) { + if (src != NULL) { + if (!mirrored[j]) + kunmap_atomic(src); + src = NULL; + } + continue; + } + + dst = kmap_atomic(page); + + for (; j < clusterpages; ++j) { + if (compressed_pages[j] != page) + continue; + + BUG_ON(mirrored[j]); + memcpy(percpu_data + j * PAGE_SIZE, dst, PAGE_SIZE); + mirrored[j] = true; + break; + } + + if (i) { + if (src == NULL) + src = mirrored[i-1] ? + percpu_data + (i-1) * PAGE_SIZE : + kmap_atomic(compressed_pages[i-1]); + + memcpy(dst, src + righthalf, pageofs); + + if (!mirrored[i-1]) + kunmap_atomic(src); + + if (unlikely(i >= clusterpages)) { + kunmap_atomic(dst); + break; + } + } + + if (!righthalf) + src = NULL; + else { + src = mirrored[i] ? percpu_data + i * PAGE_SIZE : + kmap_atomic(compressed_pages[i]); + + memcpy(dst + pageofs, src, righthalf); + } + + kunmap_atomic(dst); + } + + if (src != NULL && !mirrored[j]) + kunmap_atomic(src); + + preempt_enable(); + return 0; +} + +extern int z_erofs_unzip_lz4(void *in, void *out, size_t inlen, size_t outlen); + +int z_erofs_vle_unzip_fast_percpu(struct page **compressed_pages, + unsigned clusterpages, + struct page **pages, + unsigned outlen, + unsigned short pageofs, + void (*endio)(struct page *)) +{ + void *vin, *vout; + unsigned nr_pages, i, j; + int ret; + + if (outlen + pageofs > EROFS_PERCPU_NR_PAGES * PAGE_SIZE) + return -ENOTSUPP; + + nr_pages = DIV_ROUND_UP(outlen + pageofs, PAGE_SIZE); + + if (clusterpages == 1) + vin = kmap_atomic(compressed_pages[0]); + else + vin = erofs_vmap(compressed_pages, clusterpages); + + preempt_disable(); + vout = erofs_pcpubuf[smp_processor_id()].data; + + ret = z_erofs_unzip_lz4(vin, vout + pageofs, + clusterpages * PAGE_SIZE, outlen); + + if (ret >= 0) { + outlen = ret; + ret = 0; + } + + for (i = 0; i < nr_pages; ++i) { + j = min((unsigned)PAGE_SIZE - pageofs, outlen); + + if (pages[i] != NULL) { + if (ret < 0) + SetPageError(pages[i]); + else if (clusterpages == 1 && pages[i] == compressed_pages[0]) + memcpy(vin + pageofs, vout + pageofs, j); + else { + void *dst = kmap_atomic(pages[i]); + + memcpy(dst + pageofs, vout + pageofs, j); + kunmap_atomic(dst); + } + endio(pages[i]); + } + vout += PAGE_SIZE; + outlen -= j; + pageofs = 0; + } + preempt_enable(); + + if (clusterpages == 1) + kunmap_atomic(vin); + else + erofs_vunmap(vin, clusterpages); + + return ret; +} + +int z_erofs_vle_unzip_vmap(struct page **compressed_pages, + unsigned clusterpages, + void *vout, + unsigned llen, + unsigned short pageofs, + bool overlapped) +{ + void *vin; + unsigned i; + int ret; + + if (overlapped) { + preempt_disable(); + vin = erofs_pcpubuf[smp_processor_id()].data; + + for (i = 0; i < clusterpages; ++i) { + void *t = kmap_atomic(compressed_pages[i]); + + memcpy(vin + PAGE_SIZE *i, t, PAGE_SIZE); + kunmap_atomic(t); + } + } else if (clusterpages == 1) + vin = kmap_atomic(compressed_pages[0]); + else { + vin = erofs_vmap(compressed_pages, clusterpages); + } + + ret = z_erofs_unzip_lz4(vin, vout + pageofs, + clusterpages * PAGE_SIZE, llen); + if (ret > 0) + ret = 0; + + if (!overlapped) { + if (clusterpages == 1) + kunmap_atomic(vin); + else { + erofs_vunmap(vin, clusterpages); + } + } else + preempt_enable(); + + return ret; +} + -- 1.9.1
WARNING: multiple messages have this Message-ID (diff)
From: gaoxiang25@huawei.com (Gao Xiang) Subject: [PATCH 19/25] staging: erofs: add a generic z_erofs VLE decompressor Date: Thu, 26 Jul 2018 20:22:02 +0800 [thread overview] Message-ID: <1532607728-103372-20-git-send-email-gaoxiang25@huawei.com> (raw) In-Reply-To: <1532607728-103372-1-git-send-email-gaoxiang25@huawei.com> Currently, this patch only simply implements LZ4 decompressor due to its development priority. In the future, erofs will support more compression algorithm and format other than LZ4, thus a generic decompressor interface will be needed. Signed-off-by: Gao Xiang <gaoxiang25 at huawei.com> --- drivers/staging/erofs/Kconfig | 14 +++ drivers/staging/erofs/Makefile | 2 +- drivers/staging/erofs/internal.h | 5 + drivers/staging/erofs/unzip_vle.h | 35 ++++++ drivers/staging/erofs/unzip_vle_lz4.c | 209 ++++++++++++++++++++++++++++++++++ 5 files changed, 264 insertions(+), 1 deletion(-) create mode 100644 drivers/staging/erofs/unzip_vle.h create mode 100644 drivers/staging/erofs/unzip_vle_lz4.c diff --git a/drivers/staging/erofs/Kconfig b/drivers/staging/erofs/Kconfig index 63bec70..b55ce1c 100644 --- a/drivers/staging/erofs/Kconfig +++ b/drivers/staging/erofs/Kconfig @@ -87,3 +87,17 @@ config EROFS_FS_ZIP If you don't want to use compression feature, say N. +config EROFS_FS_CLUSTER_PAGE_LIMIT + int "EROFS Cluster Pages Hard Limit" + depends on EROFS_FS_ZIP + range 1 256 + default "1" + help + Indicates VLE compressed pages hard limit of a + compressed cluster. + + For example, if files of a image are compressed + into 8k-unit, the hard limit should not be less + than 2. Otherwise, the image cannot be mounted + correctly on this kernel. + diff --git a/drivers/staging/erofs/Makefile b/drivers/staging/erofs/Makefile index e409637..9a766eb 100644 --- a/drivers/staging/erofs/Makefile +++ b/drivers/staging/erofs/Makefile @@ -9,5 +9,5 @@ obj-$(CONFIG_EROFS_FS) += erofs.o ccflags-y += -I$(src)/include erofs-objs := super.o inode.o data.o namei.o dir.o utils.o erofs-$(CONFIG_EROFS_FS_XATTR) += xattr.o -erofs-$(CONFIG_EROFS_FS_ZIP) += unzip_vle.o unzip_lz4.o +erofs-$(CONFIG_EROFS_FS_ZIP) += unzip_vle.o unzip_lz4.o unzip_vle_lz4.o diff --git a/drivers/staging/erofs/internal.h b/drivers/staging/erofs/internal.h index 6a0f045..e61d417 100644 --- a/drivers/staging/erofs/internal.h +++ b/drivers/staging/erofs/internal.h @@ -161,6 +161,11 @@ static inline void *erofs_kmalloc(struct erofs_sb_info *sbi, #define ROOT_NID(sb) ((sb)->root_nid) +#ifdef CONFIG_EROFS_FS_ZIP +/* hard limit of pages per compressed cluster */ +#define Z_EROFS_CLUSTER_MAX_PAGES (CONFIG_EROFS_FS_CLUSTER_PAGE_LIMIT) +#endif + typedef u64 erofs_off_t; /* data type for filesystem-wide blocks number */ diff --git a/drivers/staging/erofs/unzip_vle.h b/drivers/staging/erofs/unzip_vle.h new file mode 100644 index 0000000..b34f5bc --- /dev/null +++ b/drivers/staging/erofs/unzip_vle.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * linux/drivers/staging/erofs/unzip_vle.h + * + * Copyright (C) 2018 HUAWEI, Inc. + * http://www.huawei.com/ + * Created by Gao Xiang <gaoxiang25 at huawei.com> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of the Linux + * distribution for more details. + */ +#ifndef __EROFS_FS_UNZIP_VLE_H +#define __EROFS_FS_UNZIP_VLE_H + +#include "internal.h" + +#define Z_EROFS_VLE_INLINE_PAGEVECS 3 + +/* unzip_vle_lz4.c */ +extern int z_erofs_vle_plain_copy(struct page **compressed_pages, + unsigned clusterpages, struct page **pages, + unsigned nr_pages, unsigned short pageofs); + +extern int z_erofs_vle_unzip_fast_percpu(struct page **compressed_pages, + unsigned clusterpages, struct page **pages, + unsigned outlen, unsigned short pageofs, + void (*endio)(struct page *)); + +extern int z_erofs_vle_unzip_vmap(struct page **compressed_pages, + unsigned clusterpages, void *vaddr, unsigned llen, + unsigned short pageofs, bool overlapped); + +#endif + diff --git a/drivers/staging/erofs/unzip_vle_lz4.c b/drivers/staging/erofs/unzip_vle_lz4.c new file mode 100644 index 0000000..f5b665f --- /dev/null +++ b/drivers/staging/erofs/unzip_vle_lz4.c @@ -0,0 +1,209 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * linux/drivers/staging/erofs/unzip_vle_lz4.c + * + * Copyright (C) 2018 HUAWEI, Inc. + * http://www.huawei.com/ + * Created by Gao Xiang <gaoxiang25 at huawei.com> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of the Linux + * distribution for more details. + */ +#include "unzip_vle.h" + +#if Z_EROFS_CLUSTER_MAX_PAGES > Z_EROFS_VLE_INLINE_PAGEVECS +#define EROFS_PERCPU_NR_PAGES Z_EROFS_CLUSTER_MAX_PAGES +#else +#define EROFS_PERCPU_NR_PAGES Z_EROFS_VLE_INLINE_PAGEVECS +#endif + +static struct { + char data[PAGE_SIZE * EROFS_PERCPU_NR_PAGES]; +} erofs_pcpubuf[NR_CPUS]; + +int z_erofs_vle_plain_copy(struct page **compressed_pages, + unsigned clusterpages, + struct page **pages, + unsigned nr_pages, + unsigned short pageofs) +{ + unsigned i, j; + void *src = NULL; + const unsigned righthalf = PAGE_SIZE - pageofs; + char *percpu_data; + bool mirrored[Z_EROFS_CLUSTER_MAX_PAGES] = { 0 }; + + preempt_disable(); + percpu_data = erofs_pcpubuf[smp_processor_id()].data; + + j = 0; + for (i = 0; i < nr_pages; j = i++) { + struct page *page = pages[i]; + void *dst; + + if (page == NULL) { + if (src != NULL) { + if (!mirrored[j]) + kunmap_atomic(src); + src = NULL; + } + continue; + } + + dst = kmap_atomic(page); + + for (; j < clusterpages; ++j) { + if (compressed_pages[j] != page) + continue; + + BUG_ON(mirrored[j]); + memcpy(percpu_data + j * PAGE_SIZE, dst, PAGE_SIZE); + mirrored[j] = true; + break; + } + + if (i) { + if (src == NULL) + src = mirrored[i-1] ? + percpu_data + (i-1) * PAGE_SIZE : + kmap_atomic(compressed_pages[i-1]); + + memcpy(dst, src + righthalf, pageofs); + + if (!mirrored[i-1]) + kunmap_atomic(src); + + if (unlikely(i >= clusterpages)) { + kunmap_atomic(dst); + break; + } + } + + if (!righthalf) + src = NULL; + else { + src = mirrored[i] ? percpu_data + i * PAGE_SIZE : + kmap_atomic(compressed_pages[i]); + + memcpy(dst + pageofs, src, righthalf); + } + + kunmap_atomic(dst); + } + + if (src != NULL && !mirrored[j]) + kunmap_atomic(src); + + preempt_enable(); + return 0; +} + +extern int z_erofs_unzip_lz4(void *in, void *out, size_t inlen, size_t outlen); + +int z_erofs_vle_unzip_fast_percpu(struct page **compressed_pages, + unsigned clusterpages, + struct page **pages, + unsigned outlen, + unsigned short pageofs, + void (*endio)(struct page *)) +{ + void *vin, *vout; + unsigned nr_pages, i, j; + int ret; + + if (outlen + pageofs > EROFS_PERCPU_NR_PAGES * PAGE_SIZE) + return -ENOTSUPP; + + nr_pages = DIV_ROUND_UP(outlen + pageofs, PAGE_SIZE); + + if (clusterpages == 1) + vin = kmap_atomic(compressed_pages[0]); + else + vin = erofs_vmap(compressed_pages, clusterpages); + + preempt_disable(); + vout = erofs_pcpubuf[smp_processor_id()].data; + + ret = z_erofs_unzip_lz4(vin, vout + pageofs, + clusterpages * PAGE_SIZE, outlen); + + if (ret >= 0) { + outlen = ret; + ret = 0; + } + + for (i = 0; i < nr_pages; ++i) { + j = min((unsigned)PAGE_SIZE - pageofs, outlen); + + if (pages[i] != NULL) { + if (ret < 0) + SetPageError(pages[i]); + else if (clusterpages == 1 && pages[i] == compressed_pages[0]) + memcpy(vin + pageofs, vout + pageofs, j); + else { + void *dst = kmap_atomic(pages[i]); + + memcpy(dst + pageofs, vout + pageofs, j); + kunmap_atomic(dst); + } + endio(pages[i]); + } + vout += PAGE_SIZE; + outlen -= j; + pageofs = 0; + } + preempt_enable(); + + if (clusterpages == 1) + kunmap_atomic(vin); + else + erofs_vunmap(vin, clusterpages); + + return ret; +} + +int z_erofs_vle_unzip_vmap(struct page **compressed_pages, + unsigned clusterpages, + void *vout, + unsigned llen, + unsigned short pageofs, + bool overlapped) +{ + void *vin; + unsigned i; + int ret; + + if (overlapped) { + preempt_disable(); + vin = erofs_pcpubuf[smp_processor_id()].data; + + for (i = 0; i < clusterpages; ++i) { + void *t = kmap_atomic(compressed_pages[i]); + + memcpy(vin + PAGE_SIZE *i, t, PAGE_SIZE); + kunmap_atomic(t); + } + } else if (clusterpages == 1) + vin = kmap_atomic(compressed_pages[0]); + else { + vin = erofs_vmap(compressed_pages, clusterpages); + } + + ret = z_erofs_unzip_lz4(vin, vout + pageofs, + clusterpages * PAGE_SIZE, llen); + if (ret > 0) + ret = 0; + + if (!overlapped) { + if (clusterpages == 1) + kunmap_atomic(vin); + else { + erofs_vunmap(vin, clusterpages); + } + } else + preempt_enable(); + + return ret; +} + -- 1.9.1
next prev parent reply other threads:[~2018-07-26 12:27 UTC|newest] Thread overview: 112+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-05-31 11:06 [NOMERGE] [RFC PATCH 00/12] erofs: introduce erofs file system Gao Xiang 2018-06-01 7:48 ` Richard Weinberger 2018-06-01 9:11 ` Gao Xiang 2018-06-01 9:28 ` Richard Weinberger 2018-06-01 11:16 ` Gao Xiang 2018-06-07 10:26 ` Pavel Machek 2018-07-27 0:55 ` Joey Pabalinas 2018-07-27 0:57 ` Joey Pabalinas 2018-07-26 12:21 ` [PATCH 00/25] staging: " Gao Xiang 2018-07-26 12:21 ` Gao Xiang 2018-07-26 12:21 ` [PATCH 01/25] staging: erofs: add on-disk layout Gao Xiang 2018-07-26 12:21 ` Gao Xiang 2018-07-26 12:21 ` [PATCH 02/25] staging: erofs: add erofs in-memory stuffs Gao Xiang 2018-07-26 12:21 ` Gao Xiang 2018-07-26 12:21 ` [PATCH 03/25] staging: erofs: add super block operations Gao Xiang 2018-07-26 12:21 ` Gao Xiang 2018-07-26 12:21 ` [PATCH 04/25] staging: erofs: add raw address_space operations Gao Xiang 2018-07-26 12:21 ` Gao Xiang 2018-07-26 12:21 ` [PATCH 05/25] staging: erofs: add inode operations Gao Xiang 2018-07-26 12:21 ` Gao Xiang 2018-07-26 12:21 ` [PATCH 06/25] staging: erofs: add directory operations Gao Xiang 2018-07-26 12:21 ` Gao Xiang 2018-07-26 12:21 ` [PATCH 07/25] staging: erofs: add namei functions Gao Xiang 2018-07-26 12:21 ` Gao Xiang 2018-07-26 12:21 ` [PATCH 08/25] staging: erofs: update Kconfig and Makefile Gao Xiang 2018-07-26 12:21 ` Gao Xiang 2018-07-26 12:21 ` [PATCH 09/25] staging: erofs: introduce xattr & acl support Gao Xiang 2018-07-26 12:21 ` Gao Xiang 2018-07-26 12:21 ` [PATCH 10/25] staging: erofs: support special inode Gao Xiang 2018-07-26 12:21 ` Gao Xiang 2018-07-26 12:21 ` [PATCH 11/25] staging: erofs: introduce error injection infrastructure Gao Xiang 2018-07-26 12:21 ` Gao Xiang 2018-07-26 12:21 ` [PATCH 12/25] staging: erofs: support tracepoint Gao Xiang 2018-07-26 12:21 ` Gao Xiang 2018-07-26 12:21 ` [PATCH 13/25] staging: erofs: <linux/tagptr.h>: introduce tagged pointer Gao Xiang 2018-07-26 12:21 ` Gao Xiang 2018-07-26 12:21 ` [PATCH 14/25] staging: erofs: introduce pagevec for unzip subsystem Gao Xiang 2018-07-26 12:21 ` Gao Xiang 2018-07-26 12:21 ` [PATCH 15/25] staging: erofs: add erofs_map_blocks_iter Gao Xiang 2018-07-26 12:21 ` Gao Xiang 2018-07-26 12:21 ` [PATCH 16/25] staging: erofs: add erofs_allocpage Gao Xiang 2018-07-26 12:21 ` Gao Xiang 2018-07-26 12:22 ` [PATCH 17/25] staging: erofs: globalize prepare_bio and __submit_bio Gao Xiang 2018-07-26 12:22 ` Gao Xiang 2018-07-26 12:22 ` [PATCH 18/25] staging: erofs: introduce a customized LZ4 decompression Gao Xiang 2018-07-26 12:22 ` Gao Xiang 2018-07-26 12:22 ` Gao Xiang [this message] 2018-07-26 12:22 ` [PATCH 19/25] staging: erofs: add a generic z_erofs VLE decompressor Gao Xiang 2018-07-26 12:22 ` [PATCH 20/25] staging: erofs: introduce superblock registration Gao Xiang 2018-07-26 12:22 ` Gao Xiang 2018-07-26 12:22 ` [PATCH 21/25] staging: erofs: introduce erofs shrinker Gao Xiang 2018-07-26 12:22 ` Gao Xiang 2018-07-26 12:22 ` [PATCH 22/25] staging: erofs: introduce workstation for decompression Gao Xiang 2018-07-26 12:22 ` Gao Xiang 2018-07-26 12:22 ` [PATCH 23/25] staging: erofs: introduce VLE decompression support Gao Xiang 2018-07-26 12:22 ` Gao Xiang 2018-07-26 12:22 ` [PATCH 24/25] staging: erofs: introduce cached decompression Gao Xiang 2018-07-26 12:22 ` Gao Xiang 2018-07-26 12:22 ` [PATCH 25/25] staging: erofs: add a TODO and update MAINTAINERS for staging Gao Xiang 2018-07-26 12:22 ` Gao Xiang 2018-07-28 7:10 ` [PATCH] staging: erofs: fix a compile warning of Z_EROFS_VLE_VMAP_ONSTACK_PAGES Gao Xiang 2018-07-28 7:10 ` Gao Xiang 2018-07-28 10:43 ` Chao Yu 2018-07-28 10:43 ` Chao Yu 2018-07-29 5:34 ` [PATCH 1/2] staging: erofs: fix compile error without built-in decompression support Gao Xiang 2018-07-29 5:34 ` Gao Xiang 2018-07-29 5:37 ` [PATCH 2/2] staging: erofs: fix conditional uninitialized `pcn' in z_erofs_map_blocks_iter Gao Xiang 2018-07-29 5:37 ` Gao Xiang 2018-07-30 1:51 ` [PATCH] staging: erofs: use the wrapped PTR_ERR_OR_ZERO instead of open code Gao Xiang 2018-07-30 1:51 ` Gao Xiang 2018-07-30 6:58 ` Chao Yu 2018-07-30 6:58 ` Chao Yu 2018-08-01 6:38 ` [PATCH 1/2] staging: erofs: add the missing break in z_erofs_map_blocks_iter Gao Xiang 2018-08-01 6:38 ` Gao Xiang 2018-08-01 6:38 ` [PATCH 2/2] staging: erofs: remove a redundant marco in xattr Gao Xiang 2018-08-01 6:38 ` Gao Xiang 2018-08-01 9:02 ` [PATCH 1/2] staging: erofs: add the missing break in z_erofs_map_blocks_iter Dan Carpenter 2018-08-01 9:02 ` Dan Carpenter 2018-08-01 9:19 ` Gao Xiang 2018-08-01 9:19 ` Gao Xiang 2018-08-01 9:36 ` [PATCH RESEND " Gao Xiang 2018-08-01 9:36 ` Gao Xiang 2018-08-01 11:36 ` Dan Carpenter 2018-08-01 11:36 ` Dan Carpenter 2018-08-01 12:08 ` Gao Xiang 2018-08-01 12:08 ` Gao Xiang 2018-07-30 2:07 ` [PATCH 2/2] staging: erofs: fix conditional uninitialized `pcn' " Chao Yu 2018-07-30 2:07 ` Chao Yu 2018-07-30 2:07 ` [PATCH 1/2] staging: erofs: fix compile error without built-in decompression support Chao Yu 2018-07-30 2:07 ` Chao Yu 2018-07-30 2:32 ` Gao Xiang 2018-07-30 2:32 ` Gao Xiang 2018-07-30 3:07 ` Chao Yu 2018-07-30 3:07 ` Chao Yu 2018-07-30 3:55 ` Gao Xiang 2018-07-30 3:55 ` Gao Xiang 2018-07-30 3:34 ` [FOR INTERNAL REVIEW] [PATCH RESEND 1/3] staging: erofs: fix incorrect code in erofs_shrink_scan Gao Xiang 2018-07-30 3:34 ` [FOR INTERNAL REVIEW] [PATCH RESEND 2/3] staging: erofs: add 'erofs_' prefixes for try_to_free_(all_)cached_page(s) Gao Xiang 2018-07-30 6:57 ` Chao Yu 2018-07-30 3:34 ` [FOR INTERNAL REVIEW] [PATCH RESEND 3/3] staging: erofs: fix conditional uninitialized `pcn' in z_erofs_map_blocks_iter Gao Xiang 2018-07-30 6:56 ` [FOR INTERNAL REVIEW] [PATCH RESEND 1/3] staging: erofs: fix incorrect code in erofs_shrink_scan Chao Yu 2018-07-27 0:25 ` [PATCH 00/25] staging: erofs: introduce erofs file system Christian Kujau 2018-07-27 1:39 ` Gao Xiang 2018-07-27 1:39 ` Gao Xiang 2018-07-27 1:56 ` Gao Xiang 2018-07-27 1:56 ` Gao Xiang 2018-07-28 7:25 ` Greg Kroah-Hartman 2018-07-28 7:25 ` Greg Kroah-Hartman 2018-07-28 9:33 ` Gao Xiang 2018-07-28 9:33 ` Gao Xiang 2018-07-28 10:34 ` Chao Yu 2018-07-28 10:34 ` Chao Yu
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=1532607728-103372-20-git-send-email-gaoxiang25@huawei.com \ --to=gaoxiang25@huawei.com \ --cc=chao@kernel.org \ --cc=devel@driverdev.osuosl.org \ --cc=gregkh@linuxfoundation.org \ --cc=hsiangkao@aol.com \ --cc=linux-erofs@lists.ozlabs.org \ --cc=linux-fsdevel@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=miaoxie@huawei.com \ --cc=weidu.du@huawei.com \ --cc=yuchao0@huawei.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.