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[linux] Update patches for v3

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This commit is contained in:
Nick Terrell
2017-07-20 13:33:55 -07:00
parent b4d460f32c
commit 7d3ac0710d
8 changed files with 105 additions and 126 deletions
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contrib/linux-kernel/0003-btrfs-Add-zstd-support.patch
+41 -35
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@@ -1,7 +1,7 @@
From 599f8f2aaace3df939cb145368574a52268d82d0 Mon Sep 17 00:00:00 2001
From b0ef8fc63c9ca251ceca632f53aa1de8f1f17772 Mon Sep 17 00:00:00 2001
From: Nick Terrell <terrelln@fb.com>
Date: Wed, 21 Jun 2017 17:31:39 -0700
Subject: [PATCH v2 3/4] btrfs: Add zstd support
Date: Mon, 17 Jul 2017 17:08:39 -0700
Subject: [PATCH v3 3/4] btrfs: Add zstd support
Add zstd compression and decompression support to BtrFS. zstd at its
fastest level compresses almost as well as zlib, while offering much
@@ -63,6 +63,10 @@ zstd source repository: https://github.com/facebook/zstd
Signed-off-by: Nick Terrell <terrelln@fb.com>
---
v2 -> v3:
- Port upstream BtrFS commits e1ddce71d6, 389a6cfc2a, and 6acafd1eff
- Change default compression level for BtrFS to 3
fs/btrfs/Kconfig | 2 +
fs/btrfs/Makefile | 2 +-
fs/btrfs/compression.c | 1 +
@@ -73,9 +77,9 @@ Signed-off-by: Nick Terrell <terrelln@fb.com>
fs/btrfs/props.c | 6 +
fs/btrfs/super.c | 12 +-
fs/btrfs/sysfs.c | 2 +
fs/btrfs/zstd.c | 433 +++++++++++++++++++++++++++++++++++++++++++++
fs/btrfs/zstd.c | 435 +++++++++++++++++++++++++++++++++++++++++++++
include/uapi/linux/btrfs.h | 8 +-
12 files changed, 469 insertions(+), 12 deletions(-)
12 files changed, 471 insertions(+), 12 deletions(-)
create mode 100644 fs/btrfs/zstd.c
diff --git a/fs/btrfs/Kconfig b/fs/btrfs/Kconfig
@@ -105,10 +109,10 @@ index 128ce17..962a95a 100644
reada.o backref.o ulist.o qgroup.o send.o dev-replace.o raid56.o \
uuid-tree.o props.o hash.o free-space-tree.o
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index 10e6b28..3beb0d0 100644
index d2ef9ac..4ff42d1 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -761,6 +761,7 @@ static struct {
@@ -704,6 +704,7 @@ static struct {
static const struct btrfs_compress_op * const btrfs_compress_op[] = {
&btrfs_zlib_compress,
&btrfs_lzo_compress,
@@ -117,10 +121,10 @@ index 10e6b28..3beb0d0 100644
void __init btrfs_init_compress(void)
diff --git a/fs/btrfs/compression.h b/fs/btrfs/compression.h
index 39ec43a..d99fc21 100644
index 87f6d33..2269e00 100644
--- a/fs/btrfs/compression.h
+++ b/fs/btrfs/compression.h
@@ -60,8 +60,9 @@ enum btrfs_compression_type {
@@ -99,8 +99,9 @@ enum btrfs_compression_type {
BTRFS_COMPRESS_NONE = 0,
BTRFS_COMPRESS_ZLIB = 1,
BTRFS_COMPRESS_LZO = 2,
@@ -132,7 +136,7 @@ index 39ec43a..d99fc21 100644
};
struct btrfs_compress_op {
@@ -92,5 +93,6 @@ struct btrfs_compress_op {
@@ -128,5 +129,6 @@ struct btrfs_compress_op {
extern const struct btrfs_compress_op btrfs_zlib_compress;
extern const struct btrfs_compress_op btrfs_lzo_compress;
@@ -140,10 +144,10 @@ index 39ec43a..d99fc21 100644
#endif
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 4f8f75d..61dd3dd 100644
index 3f3eb7b..845d77c 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -271,6 +271,7 @@ struct btrfs_super_block {
@@ -270,6 +270,7 @@ struct btrfs_super_block {
BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS | \
BTRFS_FEATURE_INCOMPAT_BIG_METADATA | \
BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO | \
@@ -152,10 +156,10 @@ index 4f8f75d..61dd3dd 100644
BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF | \
BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA | \
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 5f678dc..49c0e91 100644
index 080e2eb..04632f4 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2831,6 +2831,8 @@ int open_ctree(struct super_block *sb,
@@ -2828,6 +2828,8 @@ int open_ctree(struct super_block *sb,
features |= BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF;
if (fs_info->compress_type == BTRFS_COMPRESS_LZO)
features |= BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO;
@@ -165,7 +169,7 @@ index 5f678dc..49c0e91 100644
if (features & BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA)
btrfs_info(fs_info, "has skinny extents");
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index e176375..f732cfd 100644
index fa1b78c..b9963d9 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -327,8 +327,10 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg)
@@ -180,7 +184,7 @@ index e176375..f732cfd 100644
ret = btrfs_set_prop(inode, "btrfs.compression",
comp, strlen(comp), 0);
if (ret)
@@ -1463,6 +1465,8 @@ int btrfs_defrag_file(struct inode *inode, struct file *file,
@@ -1466,6 +1468,8 @@ int btrfs_defrag_file(struct inode *inode, struct file *file,
if (range->compress_type == BTRFS_COMPRESS_LZO) {
btrfs_set_fs_incompat(fs_info, COMPRESS_LZO);
@@ -190,10 +194,10 @@ index e176375..f732cfd 100644
ret = defrag_count;
diff --git a/fs/btrfs/props.c b/fs/btrfs/props.c
index d6cb155..162105f 100644
index 4b23ae5..20631e9 100644
--- a/fs/btrfs/props.c
+++ b/fs/btrfs/props.c
@@ -383,6 +383,8 @@ static int prop_compression_validate(const char *value, size_t len)
@@ -390,6 +390,8 @@ static int prop_compression_validate(const char *value, size_t len)
return 0;
else if (!strncmp("zlib", value, len))
return 0;
@@ -202,7 +206,7 @@ index d6cb155..162105f 100644
return -EINVAL;
}
@@ -405,6 +407,8 @@ static int prop_compression_apply(struct inode *inode,
@@ -412,6 +414,8 @@ static int prop_compression_apply(struct inode *inode,
type = BTRFS_COMPRESS_LZO;
else if (!strncmp("zlib", value, len))
type = BTRFS_COMPRESS_ZLIB;
@@ -211,7 +215,7 @@ index d6cb155..162105f 100644
else
return -EINVAL;
@@ -422,6 +426,8 @@ static const char *prop_compression_extract(struct inode *inode)
@@ -429,6 +433,8 @@ static const char *prop_compression_extract(struct inode *inode)
return "zlib";
case BTRFS_COMPRESS_LZO:
return "lzo";
@@ -221,7 +225,7 @@ index d6cb155..162105f 100644
return NULL;
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 4f1cdd5..4f792d5 100644
index 12540b6..c370dea 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -513,6 +513,14 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options,
@@ -239,7 +243,7 @@ index 4f1cdd5..4f792d5 100644
} else if (strncmp(args[0].from, "no", 2) == 0) {
compress_type = "no";
btrfs_clear_opt(info->mount_opt, COMPRESS);
@@ -1240,8 +1248,10 @@ static int btrfs_show_options(struct seq_file *seq, struct dentry *dentry)
@@ -1227,8 +1235,10 @@ static int btrfs_show_options(struct seq_file *seq, struct dentry *dentry)
if (btrfs_test_opt(info, COMPRESS)) {
if (info->compress_type == BTRFS_COMPRESS_ZLIB)
compress_type = "zlib";
@@ -252,7 +256,7 @@ index 4f1cdd5..4f792d5 100644
seq_printf(seq, ",compress-force=%s", compress_type);
else
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index 1f157fb..b0dec90 100644
index c2d5f35..2b6d37c 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -200,6 +200,7 @@ BTRFS_FEAT_ATTR_INCOMPAT(mixed_backref, MIXED_BACKREF);
@@ -273,10 +277,10 @@ index 1f157fb..b0dec90 100644
BTRFS_FEAT_ATTR_PTR(raid56),
diff --git a/fs/btrfs/zstd.c b/fs/btrfs/zstd.c
new file mode 100644
index 0000000..838741b
index 0000000..1822068
--- /dev/null
+++ b/fs/btrfs/zstd.c
@@ -0,0 +1,433 @@
@@ -0,0 +1,435 @@
+/*
+ * Copyright (c) 2016-present, Facebook, Inc.
+ * All rights reserved.
@@ -308,10 +312,11 @@ index 0000000..838741b
+
+#define ZSTD_BTRFS_MAX_WINDOWLOG 17
+#define ZSTD_BTRFS_MAX_INPUT (1 << ZSTD_BTRFS_MAX_WINDOWLOG)
+#define ZSTD_BTRFS_DEFAULT_LEVEL 3
+
+static ZSTD_parameters zstd_get_btrfs_parameters(size_t src_len)
+{
+ ZSTD_parameters params = ZSTD_getParams(1, src_len, 0);
+ ZSTD_parameters params = ZSTD_getParams(ZSTD_BTRFS_DEFAULT_LEVEL, src_len, 0);
+
+ if (params.cParams.windowLog > ZSTD_BTRFS_MAX_WINDOWLOG)
+ params.cParams.windowLog = ZSTD_BTRFS_MAX_WINDOWLOG;
@@ -330,7 +335,7 @@ index 0000000..838741b
+{
+ struct workspace *workspace = list_entry(ws, struct workspace, list);
+
+ vfree(workspace->mem);
+ kvfree(workspace->mem);
+ kfree(workspace->buf);
+ kfree(workspace);
+}
@@ -341,15 +346,15 @@ index 0000000..838741b
+ zstd_get_btrfs_parameters(ZSTD_BTRFS_MAX_INPUT);
+ struct workspace *workspace;
+
+ workspace = kzalloc(sizeof(*workspace), GFP_NOFS);
+ workspace = kzalloc(sizeof(*workspace), GFP_KERNEL);
+ if (!workspace)
+ return ERR_PTR(-ENOMEM);
+
+ workspace->size = max_t(size_t,
+ ZSTD_CStreamWorkspaceBound(params.cParams),
+ ZSTD_DStreamWorkspaceBound(ZSTD_BTRFS_MAX_INPUT));
+ workspace->mem = vmalloc(workspace->size);
+ workspace->buf = kmalloc(PAGE_SIZE, GFP_NOFS);
+ workspace->mem = kvmalloc(workspace->size, GFP_KERNEL);
+ workspace->buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
+ if (!workspace->mem || !workspace->buf)
+ goto fail;
+
@@ -541,12 +546,13 @@ index 0000000..838741b
+ return ret;
+}
+
+static int zstd_decompress_bio(struct list_head *ws, struct page **pages_in,
+ u64 disk_start,
+ struct bio *orig_bio,
+ size_t srclen)
+static int zstd_decompress_bio(struct list_head *ws, struct compressed_bio *cb)
+{
+ struct workspace *workspace = list_entry(ws, struct workspace, list);
+ struct page **pages_in = cb->compressed_pages;
+ u64 disk_start = cb->start;
+ struct bio *orig_bio = cb->orig_bio;
+ size_t srclen = cb->compressed_len;
+ ZSTD_DStream *stream;
+ int ret = 0;
+ unsigned long page_in_index = 0;
@@ -711,7 +717,7 @@ index 0000000..838741b
+ .decompress = zstd_decompress,
+};
diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h
index a456e53..992c150 100644
index 9aa74f3..378230c 100644
--- a/include/uapi/linux/btrfs.h
+++ b/include/uapi/linux/btrfs.h
@@ -255,13 +255,7 @@ struct btrfs_ioctl_fs_info_args {