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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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20
contrib/linux-kernel/fs/btrfs/zstd.c
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@@ -29,10 +29,11 @@
#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;
@@ -51,7 +52,7 @@ static void zstd_free_workspace(struct list_head *ws)
{
struct workspace *workspace = list_entry(ws, struct workspace, list);
vfree(workspace->mem);
kvfree(workspace->mem);
kfree(workspace->buf);
kfree(workspace);
}
@@ -62,15 +63,15 @@ static struct list_head *zstd_alloc_workspace(void)
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;
@@ -262,12 +263,13 @@ out:
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;