[PATCH RFC PKS/PMEM 13/58] fs/btrfs: Utilize new kmap_thread()
ira.weiny at intel.com
ira.weiny at intel.com
Fri Oct 9 19:49:48 UTC 2020
From: Ira Weiny <ira.weiny at intel.com>
The kmap() calls in this FS are localized to a single thread. To avoid
the over head of global PKRS updates use the new kmap_thread() call.
Cc: Chris Mason <clm at fb.com>
Cc: Josef Bacik <josef at toxicpanda.com>
Cc: David Sterba <dsterba at suse.com>
Signed-off-by: Ira Weiny <ira.weiny at intel.com>
---
fs/btrfs/check-integrity.c | 4 ++--
fs/btrfs/compression.c | 4 ++--
fs/btrfs/inode.c | 16 ++++++++--------
fs/btrfs/lzo.c | 24 ++++++++++++------------
fs/btrfs/raid56.c | 34 +++++++++++++++++-----------------
fs/btrfs/reflink.c | 8 ++++----
fs/btrfs/send.c | 4 ++--
fs/btrfs/zlib.c | 32 ++++++++++++++++----------------
fs/btrfs/zstd.c | 20 ++++++++++----------
9 files changed, 73 insertions(+), 73 deletions(-)
diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c
index 81a8c87a5afb..9e5a02512ab5 100644
--- a/fs/btrfs/check-integrity.c
+++ b/fs/btrfs/check-integrity.c
@@ -2706,7 +2706,7 @@ static void __btrfsic_submit_bio(struct bio *bio)
bio_for_each_segment(bvec, bio, iter) {
BUG_ON(bvec.bv_len != PAGE_SIZE);
- mapped_datav[i] = kmap(bvec.bv_page);
+ mapped_datav[i] = kmap_thread(bvec.bv_page);
i++;
if (dev_state->state->print_mask &
@@ -2720,7 +2720,7 @@ static void __btrfsic_submit_bio(struct bio *bio)
bio, &bio_is_patched,
bio->bi_opf);
bio_for_each_segment(bvec, bio, iter)
- kunmap(bvec.bv_page);
+ kunmap_thread(bvec.bv_page);
kfree(mapped_datav);
} else if (NULL != dev_state && (bio->bi_opf & REQ_PREFLUSH)) {
if (dev_state->state->print_mask &
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index 1ab56a734e70..5944fb36d68a 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -1626,7 +1626,7 @@ static void heuristic_collect_sample(struct inode *inode, u64 start, u64 end,
curr_sample_pos = 0;
while (index < index_end) {
page = find_get_page(inode->i_mapping, index);
- in_data = kmap(page);
+ in_data = kmap_thread(page);
/* Handle case where the start is not aligned to PAGE_SIZE */
i = start % PAGE_SIZE;
while (i < PAGE_SIZE - SAMPLING_READ_SIZE) {
@@ -1639,7 +1639,7 @@ static void heuristic_collect_sample(struct inode *inode, u64 start, u64 end,
start += SAMPLING_INTERVAL;
curr_sample_pos += SAMPLING_READ_SIZE;
}
- kunmap(page);
+ kunmap_thread(page);
put_page(page);
index++;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 9570458aa847..9710a52c6c42 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4603,7 +4603,7 @@ int btrfs_truncate_block(struct inode *inode, loff_t from, loff_t len,
if (offset != blocksize) {
if (!len)
len = blocksize - offset;
- kaddr = kmap(page);
+ kaddr = kmap_thread(page);
if (front)
memset(kaddr + (block_start - page_offset(page)),
0, offset);
@@ -4611,7 +4611,7 @@ int btrfs_truncate_block(struct inode *inode, loff_t from, loff_t len,
memset(kaddr + (block_start - page_offset(page)) + offset,
0, len);
flush_dcache_page(page);
- kunmap(page);
+ kunmap_thread(page);
}
ClearPageChecked(page);
set_page_dirty(page);
@@ -6509,9 +6509,9 @@ static noinline int uncompress_inline(struct btrfs_path *path,
*/
if (max_size + pg_offset < PAGE_SIZE) {
- char *map = kmap(page);
+ char *map = kmap_thread(page);
memset(map + pg_offset + max_size, 0, PAGE_SIZE - max_size - pg_offset);
- kunmap(page);
+ kunmap_thread(page);
}
kfree(tmp);
return ret;
@@ -6704,7 +6704,7 @@ struct extent_map *btrfs_get_extent(struct btrfs_inode *inode,
goto out;
}
} else {
- map = kmap(page);
+ map = kmap_thread(page);
read_extent_buffer(leaf, map + pg_offset, ptr,
copy_size);
if (pg_offset + copy_size < PAGE_SIZE) {
@@ -6712,7 +6712,7 @@ struct extent_map *btrfs_get_extent(struct btrfs_inode *inode,
PAGE_SIZE - pg_offset -
copy_size);
}
- kunmap(page);
+ kunmap_thread(page);
}
flush_dcache_page(page);
}
@@ -8326,10 +8326,10 @@ vm_fault_t btrfs_page_mkwrite(struct vm_fault *vmf)
zero_start = PAGE_SIZE;
if (zero_start != PAGE_SIZE) {
- kaddr = kmap(page);
+ kaddr = kmap_thread(page);
memset(kaddr + zero_start, 0, PAGE_SIZE - zero_start);
flush_dcache_page(page);
- kunmap(page);
+ kunmap_thread(page);
}
ClearPageChecked(page);
set_page_dirty(page);
diff --git a/fs/btrfs/lzo.c b/fs/btrfs/lzo.c
index aa9cd11f4b78..f29dcc9ec573 100644
--- a/fs/btrfs/lzo.c
+++ b/fs/btrfs/lzo.c
@@ -140,7 +140,7 @@ int lzo_compress_pages(struct list_head *ws, struct address_space *mapping,
*total_in = 0;
in_page = find_get_page(mapping, start >> PAGE_SHIFT);
- data_in = kmap(in_page);
+ data_in = kmap_thread(in_page);
/*
* store the size of all chunks of compressed data in
@@ -151,7 +151,7 @@ int lzo_compress_pages(struct list_head *ws, struct address_space *mapping,
ret = -ENOMEM;
goto out;
}
- cpage_out = kmap(out_page);
+ cpage_out = kmap_thread(out_page);
out_offset = LZO_LEN;
tot_out = LZO_LEN;
pages[0] = out_page;
@@ -209,7 +209,7 @@ int lzo_compress_pages(struct list_head *ws, struct address_space *mapping,
if (out_len == 0 && tot_in >= len)
break;
- kunmap(out_page);
+ kunmap_thread(out_page);
if (nr_pages == nr_dest_pages) {
out_page = NULL;
ret = -E2BIG;
@@ -221,7 +221,7 @@ int lzo_compress_pages(struct list_head *ws, struct address_space *mapping,
ret = -ENOMEM;
goto out;
}
- cpage_out = kmap(out_page);
+ cpage_out = kmap_thread(out_page);
pages[nr_pages++] = out_page;
pg_bytes_left = PAGE_SIZE;
@@ -243,12 +243,12 @@ int lzo_compress_pages(struct list_head *ws, struct address_space *mapping,
break;
bytes_left = len - tot_in;
- kunmap(in_page);
+ kunmap_thread(in_page);
put_page(in_page);
start += PAGE_SIZE;
in_page = find_get_page(mapping, start >> PAGE_SHIFT);
- data_in = kmap(in_page);
+ data_in = kmap_thread(in_page);
in_len = min(bytes_left, PAGE_SIZE);
}
@@ -258,10 +258,10 @@ int lzo_compress_pages(struct list_head *ws, struct address_space *mapping,
}
/* store the size of all chunks of compressed data */
- cpage_out = kmap(pages[0]);
+ cpage_out = kmap_thread(pages[0]);
write_compress_length(cpage_out, tot_out);
- kunmap(pages[0]);
+ kunmap_thread(pages[0]);
ret = 0;
*total_out = tot_out;
@@ -269,10 +269,10 @@ int lzo_compress_pages(struct list_head *ws, struct address_space *mapping,
out:
*out_pages = nr_pages;
if (out_page)
- kunmap(out_page);
+ kunmap_thread(out_page);
if (in_page) {
- kunmap(in_page);
+ kunmap_thread(in_page);
put_page(in_page);
}
@@ -305,7 +305,7 @@ int lzo_decompress_bio(struct list_head *ws, struct compressed_bio *cb)
u64 disk_start = cb->start;
struct bio *orig_bio = cb->orig_bio;
- data_in = kmap(pages_in[0]);
+ data_in = kmap_thread(pages_in[0]);
tot_len = read_compress_length(data_in);
/*
* Compressed data header check.
@@ -387,7 +387,7 @@ int lzo_decompress_bio(struct list_head *ws, struct compressed_bio *cb)
else
kunmap(pages_in[page_in_index]);
- data_in = kmap(pages_in[++page_in_index]);
+ data_in = kmap_thread(pages_in[++page_in_index]);
in_page_bytes_left = PAGE_SIZE;
in_offset = 0;
diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index 255490f42b5d..34e646e4548c 100644
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -262,13 +262,13 @@ static void cache_rbio_pages(struct btrfs_raid_bio *rbio)
if (!rbio->bio_pages[i])
continue;
- s = kmap(rbio->bio_pages[i]);
- d = kmap(rbio->stripe_pages[i]);
+ s = kmap_thread(rbio->bio_pages[i]);
+ d = kmap_thread(rbio->stripe_pages[i]);
copy_page(d, s);
- kunmap(rbio->bio_pages[i]);
- kunmap(rbio->stripe_pages[i]);
+ kunmap_thread(rbio->bio_pages[i]);
+ kunmap_thread(rbio->stripe_pages[i]);
SetPageUptodate(rbio->stripe_pages[i]);
}
set_bit(RBIO_CACHE_READY_BIT, &rbio->flags);
@@ -1241,13 +1241,13 @@ static noinline void finish_rmw(struct btrfs_raid_bio *rbio)
/* first collect one page from each data stripe */
for (stripe = 0; stripe < nr_data; stripe++) {
p = page_in_rbio(rbio, stripe, pagenr, 0);
- pointers[stripe] = kmap(p);
+ pointers[stripe] = kmap_thread(p);
}
/* then add the parity stripe */
p = rbio_pstripe_page(rbio, pagenr);
SetPageUptodate(p);
- pointers[stripe++] = kmap(p);
+ pointers[stripe++] = kmap_thread(p);
if (has_qstripe) {
@@ -1257,7 +1257,7 @@ static noinline void finish_rmw(struct btrfs_raid_bio *rbio)
*/
p = rbio_qstripe_page(rbio, pagenr);
SetPageUptodate(p);
- pointers[stripe++] = kmap(p);
+ pointers[stripe++] = kmap_thread(p);
raid6_call.gen_syndrome(rbio->real_stripes, PAGE_SIZE,
pointers);
@@ -1269,7 +1269,7 @@ static noinline void finish_rmw(struct btrfs_raid_bio *rbio)
for (stripe = 0; stripe < rbio->real_stripes; stripe++)
- kunmap(page_in_rbio(rbio, stripe, pagenr, 0));
+ kunmap_thread(page_in_rbio(rbio, stripe, pagenr, 0));
}
/*
@@ -1835,7 +1835,7 @@ static void __raid_recover_end_io(struct btrfs_raid_bio *rbio)
} else {
page = rbio_stripe_page(rbio, stripe, pagenr);
}
- pointers[stripe] = kmap(page);
+ pointers[stripe] = kmap_thread(page);
}
/* all raid6 handling here */
@@ -1940,7 +1940,7 @@ static void __raid_recover_end_io(struct btrfs_raid_bio *rbio)
} else {
page = rbio_stripe_page(rbio, stripe, pagenr);
}
- kunmap(page);
+ kunmap_thread(page);
}
}
@@ -2379,18 +2379,18 @@ static noinline void finish_parity_scrub(struct btrfs_raid_bio *rbio,
/* first collect one page from each data stripe */
for (stripe = 0; stripe < nr_data; stripe++) {
p = page_in_rbio(rbio, stripe, pagenr, 0);
- pointers[stripe] = kmap(p);
+ pointers[stripe] = kmap_thread(p);
}
/* then add the parity stripe */
- pointers[stripe++] = kmap(p_page);
+ pointers[stripe++] = kmap_thread(p_page);
if (has_qstripe) {
/*
* raid6, add the qstripe and call the
* library function to fill in our p/q
*/
- pointers[stripe++] = kmap(q_page);
+ pointers[stripe++] = kmap_thread(q_page);
raid6_call.gen_syndrome(rbio->real_stripes, PAGE_SIZE,
pointers);
@@ -2402,17 +2402,17 @@ static noinline void finish_parity_scrub(struct btrfs_raid_bio *rbio,
/* Check scrubbing parity and repair it */
p = rbio_stripe_page(rbio, rbio->scrubp, pagenr);
- parity = kmap(p);
+ parity = kmap_thread(p);
if (memcmp(parity, pointers[rbio->scrubp], PAGE_SIZE))
copy_page(parity, pointers[rbio->scrubp]);
else
/* Parity is right, needn't writeback */
bitmap_clear(rbio->dbitmap, pagenr, 1);
- kunmap(p);
+ kunmap_thread(p);
for (stripe = 0; stripe < nr_data; stripe++)
- kunmap(page_in_rbio(rbio, stripe, pagenr, 0));
- kunmap(p_page);
+ kunmap_thread(page_in_rbio(rbio, stripe, pagenr, 0));
+ kunmap_thread(p_page);
}
__free_page(p_page);
diff --git a/fs/btrfs/reflink.c b/fs/btrfs/reflink.c
index 5cd02514cf4d..10e53d7eba8c 100644
--- a/fs/btrfs/reflink.c
+++ b/fs/btrfs/reflink.c
@@ -92,10 +92,10 @@ static int copy_inline_to_page(struct inode *inode,
if (comp_type == BTRFS_COMPRESS_NONE) {
char *map;
- map = kmap(page);
+ map = kmap_thread(page);
memcpy(map, data_start, datal);
flush_dcache_page(page);
- kunmap(page);
+ kunmap_thread(page);
} else {
ret = btrfs_decompress(comp_type, data_start, page, 0,
inline_size, datal);
@@ -119,10 +119,10 @@ static int copy_inline_to_page(struct inode *inode,
if (datal < block_size) {
char *map;
- map = kmap(page);
+ map = kmap_thread(page);
memset(map + datal, 0, block_size - datal);
flush_dcache_page(page);
- kunmap(page);
+ kunmap_thread(page);
}
SetPageUptodate(page);
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index d9813a5b075a..06c383d3dc43 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -4863,9 +4863,9 @@ static ssize_t fill_read_buf(struct send_ctx *sctx, u64 offset, u32 len)
}
}
- addr = kmap(page);
+ addr = kmap_thread(page);
memcpy(sctx->read_buf + ret, addr + pg_offset, cur_len);
- kunmap(page);
+ kunmap_thread(page);
unlock_page(page);
put_page(page);
index++;
diff --git a/fs/btrfs/zlib.c b/fs/btrfs/zlib.c
index 05615a1099db..45b7a907bab3 100644
--- a/fs/btrfs/zlib.c
+++ b/fs/btrfs/zlib.c
@@ -126,7 +126,7 @@ int zlib_compress_pages(struct list_head *ws, struct address_space *mapping,
ret = -ENOMEM;
goto out;
}
- cpage_out = kmap(out_page);
+ cpage_out = kmap_thread(out_page);
pages[0] = out_page;
nr_pages = 1;
@@ -149,12 +149,12 @@ int zlib_compress_pages(struct list_head *ws, struct address_space *mapping,
for (i = 0; i < in_buf_pages; i++) {
if (in_page) {
- kunmap(in_page);
+ kunmap_thread(in_page);
put_page(in_page);
}
in_page = find_get_page(mapping,
start >> PAGE_SHIFT);
- data_in = kmap(in_page);
+ data_in = kmap_thread(in_page);
memcpy(workspace->buf + i * PAGE_SIZE,
data_in, PAGE_SIZE);
start += PAGE_SIZE;
@@ -162,12 +162,12 @@ int zlib_compress_pages(struct list_head *ws, struct address_space *mapping,
workspace->strm.next_in = workspace->buf;
} else {
if (in_page) {
- kunmap(in_page);
+ kunmap_thread(in_page);
put_page(in_page);
}
in_page = find_get_page(mapping,
start >> PAGE_SHIFT);
- data_in = kmap(in_page);
+ data_in = kmap_thread(in_page);
start += PAGE_SIZE;
workspace->strm.next_in = data_in;
}
@@ -196,7 +196,7 @@ int zlib_compress_pages(struct list_head *ws, struct address_space *mapping,
* the stream end if required
*/
if (workspace->strm.avail_out == 0) {
- kunmap(out_page);
+ kunmap_thread(out_page);
if (nr_pages == nr_dest_pages) {
out_page = NULL;
ret = -E2BIG;
@@ -207,7 +207,7 @@ int zlib_compress_pages(struct list_head *ws, struct address_space *mapping,
ret = -ENOMEM;
goto out;
}
- cpage_out = kmap(out_page);
+ cpage_out = kmap_thread(out_page);
pages[nr_pages] = out_page;
nr_pages++;
workspace->strm.avail_out = PAGE_SIZE;
@@ -234,7 +234,7 @@ int zlib_compress_pages(struct list_head *ws, struct address_space *mapping,
goto out;
} else if (workspace->strm.avail_out == 0) {
/* get another page for the stream end */
- kunmap(out_page);
+ kunmap_thread(out_page);
if (nr_pages == nr_dest_pages) {
out_page = NULL;
ret = -E2BIG;
@@ -245,7 +245,7 @@ int zlib_compress_pages(struct list_head *ws, struct address_space *mapping,
ret = -ENOMEM;
goto out;
}
- cpage_out = kmap(out_page);
+ cpage_out = kmap_thread(out_page);
pages[nr_pages] = out_page;
nr_pages++;
workspace->strm.avail_out = PAGE_SIZE;
@@ -265,10 +265,10 @@ int zlib_compress_pages(struct list_head *ws, struct address_space *mapping,
out:
*out_pages = nr_pages;
if (out_page)
- kunmap(out_page);
+ kunmap_thread(out_page);
if (in_page) {
- kunmap(in_page);
+ kunmap_thread(in_page);
put_page(in_page);
}
return ret;
@@ -289,7 +289,7 @@ int zlib_decompress_bio(struct list_head *ws, struct compressed_bio *cb)
u64 disk_start = cb->start;
struct bio *orig_bio = cb->orig_bio;
- data_in = kmap(pages_in[page_in_index]);
+ data_in = kmap_thread(pages_in[page_in_index]);
workspace->strm.next_in = data_in;
workspace->strm.avail_in = min_t(size_t, srclen, PAGE_SIZE);
workspace->strm.total_in = 0;
@@ -311,7 +311,7 @@ int zlib_decompress_bio(struct list_head *ws, struct compressed_bio *cb)
if (Z_OK != zlib_inflateInit2(&workspace->strm, wbits)) {
pr_warn("BTRFS: inflateInit failed\n");
- kunmap(pages_in[page_in_index]);
+ kunmap_thread(pages_in[page_in_index]);
return -EIO;
}
while (workspace->strm.total_in < srclen) {
@@ -339,13 +339,13 @@ int zlib_decompress_bio(struct list_head *ws, struct compressed_bio *cb)
if (workspace->strm.avail_in == 0) {
unsigned long tmp;
- kunmap(pages_in[page_in_index]);
+ kunmap_thread(pages_in[page_in_index]);
page_in_index++;
if (page_in_index >= total_pages_in) {
data_in = NULL;
break;
}
- data_in = kmap(pages_in[page_in_index]);
+ data_in = kmap_thread(pages_in[page_in_index]);
workspace->strm.next_in = data_in;
tmp = srclen - workspace->strm.total_in;
workspace->strm.avail_in = min(tmp,
@@ -359,7 +359,7 @@ int zlib_decompress_bio(struct list_head *ws, struct compressed_bio *cb)
done:
zlib_inflateEnd(&workspace->strm);
if (data_in)
- kunmap(pages_in[page_in_index]);
+ kunmap_thread(pages_in[page_in_index]);
if (!ret)
zero_fill_bio(orig_bio);
return ret;
diff --git a/fs/btrfs/zstd.c b/fs/btrfs/zstd.c
index 9a4871636c6c..48e03f6dcef7 100644
--- a/fs/btrfs/zstd.c
+++ b/fs/btrfs/zstd.c
@@ -399,7 +399,7 @@ int zstd_compress_pages(struct list_head *ws, struct address_space *mapping,
/* map in the first page of input data */
in_page = find_get_page(mapping, start >> PAGE_SHIFT);
- workspace->in_buf.src = kmap(in_page);
+ workspace->in_buf.src = kmap_thread(in_page);
workspace->in_buf.pos = 0;
workspace->in_buf.size = min_t(size_t, len, PAGE_SIZE);
@@ -411,7 +411,7 @@ int zstd_compress_pages(struct list_head *ws, struct address_space *mapping,
goto out;
}
pages[nr_pages++] = out_page;
- workspace->out_buf.dst = kmap(out_page);
+ workspace->out_buf.dst = kmap_thread(out_page);
workspace->out_buf.pos = 0;
workspace->out_buf.size = min_t(size_t, max_out, PAGE_SIZE);
@@ -446,7 +446,7 @@ int zstd_compress_pages(struct list_head *ws, struct address_space *mapping,
if (workspace->out_buf.pos == workspace->out_buf.size) {
tot_out += PAGE_SIZE;
max_out -= PAGE_SIZE;
- kunmap(out_page);
+ kunmap_thread(out_page);
if (nr_pages == nr_dest_pages) {
out_page = NULL;
ret = -E2BIG;
@@ -458,7 +458,7 @@ int zstd_compress_pages(struct list_head *ws, struct address_space *mapping,
goto out;
}
pages[nr_pages++] = out_page;
- workspace->out_buf.dst = kmap(out_page);
+ workspace->out_buf.dst = kmap_thread(out_page);
workspace->out_buf.pos = 0;
workspace->out_buf.size = min_t(size_t, max_out,
PAGE_SIZE);
@@ -479,7 +479,7 @@ int zstd_compress_pages(struct list_head *ws, struct address_space *mapping,
start += PAGE_SIZE;
len -= PAGE_SIZE;
in_page = find_get_page(mapping, start >> PAGE_SHIFT);
- workspace->in_buf.src = kmap(in_page);
+ workspace->in_buf.src = kmap_thread(in_page);
workspace->in_buf.pos = 0;
workspace->in_buf.size = min_t(size_t, len, PAGE_SIZE);
}
@@ -518,7 +518,7 @@ int zstd_compress_pages(struct list_head *ws, struct address_space *mapping,
goto out;
}
pages[nr_pages++] = out_page;
- workspace->out_buf.dst = kmap(out_page);
+ workspace->out_buf.dst = kmap_thread(out_page);
workspace->out_buf.pos = 0;
workspace->out_buf.size = min_t(size_t, max_out, PAGE_SIZE);
}
@@ -565,7 +565,7 @@ int zstd_decompress_bio(struct list_head *ws, struct compressed_bio *cb)
goto done;
}
- workspace->in_buf.src = kmap(pages_in[page_in_index]);
+ workspace->in_buf.src = kmap_thread(pages_in[page_in_index]);
workspace->in_buf.pos = 0;
workspace->in_buf.size = min_t(size_t, srclen, PAGE_SIZE);
@@ -601,14 +601,14 @@ int zstd_decompress_bio(struct list_head *ws, struct compressed_bio *cb)
break;
if (workspace->in_buf.pos == workspace->in_buf.size) {
- kunmap(pages_in[page_in_index++]);
+ kunmap_thread(pages_in[page_in_index++]);
if (page_in_index >= total_pages_in) {
workspace->in_buf.src = NULL;
ret = -EIO;
goto done;
}
srclen -= PAGE_SIZE;
- workspace->in_buf.src = kmap(pages_in[page_in_index]);
+ workspace->in_buf.src = kmap_thread(pages_in[page_in_index]);
workspace->in_buf.pos = 0;
workspace->in_buf.size = min_t(size_t, srclen, PAGE_SIZE);
}
@@ -617,7 +617,7 @@ int zstd_decompress_bio(struct list_head *ws, struct compressed_bio *cb)
zero_fill_bio(orig_bio);
done:
if (workspace->in_buf.src)
- kunmap(pages_in[page_in_index]);
+ kunmap_thread(pages_in[page_in_index]);
return ret;
}
--
2.28.0.rc0.12.gb6a658bd00c9
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