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| author | Gao Xiang <hsiangkao@linux.alibaba.com> | 2023-06-28 00:12:39 +0800 |
|---|---|---|
| committer | Gao Xiang <hsiangkao@linux.alibaba.com> | 2023-07-12 00:49:39 +0800 |
| commit | 123ec246ebe323d468c5ca996700ea4739d20ddf (patch) | |
| tree | 92bbbc4c4260111bb9462970f259f92c5269481c /fs/erofs | |
| parent | 06c2afb862f9da8dc5efa4b6076a0e48c3fbaaa5 (diff) | |
| download | linux-stable-123ec246ebe323d468c5ca996700ea4739d20ddf.tar.gz linux-stable-123ec246ebe323d468c5ca996700ea4739d20ddf.tar.bz2 linux-stable-123ec246ebe323d468c5ca996700ea4739d20ddf.zip | |
erofs: get rid of the remaining kmap_atomic()
It's unnecessary to use kmap_atomic() compared with kmap_local_page().
In addition, kmap_atomic() is deprecated now.
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20230627161240.331-1-hsiangkao@linux.alibaba.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Diffstat (limited to 'fs/erofs')
| -rw-r--r-- | fs/erofs/decompressor.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/fs/erofs/decompressor.c b/fs/erofs/decompressor.c index 2a29943fa5cc..ad53cf52d899 100644 --- a/fs/erofs/decompressor.c +++ b/fs/erofs/decompressor.c @@ -148,7 +148,7 @@ static void *z_erofs_lz4_handle_overlap(struct z_erofs_lz4_decompress_ctx *ctx, *maptype = 0; return inpage; } - kunmap_atomic(inpage); + kunmap_local(inpage); might_sleep(); src = erofs_vm_map_ram(rq->in, ctx->inpages); if (!src) @@ -162,7 +162,7 @@ docopy: src = erofs_get_pcpubuf(ctx->inpages); if (!src) { DBG_BUGON(1); - kunmap_atomic(inpage); + kunmap_local(inpage); return ERR_PTR(-EFAULT); } @@ -173,9 +173,9 @@ docopy: min_t(unsigned int, total, PAGE_SIZE - *inputmargin); if (!inpage) - inpage = kmap_atomic(*in); + inpage = kmap_local_page(*in); memcpy(tmp, inpage + *inputmargin, page_copycnt); - kunmap_atomic(inpage); + kunmap_local(inpage); inpage = NULL; tmp += page_copycnt; total -= page_copycnt; @@ -214,7 +214,7 @@ static int z_erofs_lz4_decompress_mem(struct z_erofs_lz4_decompress_ctx *ctx, int ret, maptype; DBG_BUGON(*rq->in == NULL); - headpage = kmap_atomic(*rq->in); + headpage = kmap_local_page(*rq->in); /* LZ4 decompression inplace is only safe if zero_padding is enabled */ if (erofs_sb_has_zero_padding(EROFS_SB(rq->sb))) { @@ -223,7 +223,7 @@ static int z_erofs_lz4_decompress_mem(struct z_erofs_lz4_decompress_ctx *ctx, min_t(unsigned int, rq->inputsize, rq->sb->s_blocksize - rq->pageofs_in)); if (ret) { - kunmap_atomic(headpage); + kunmap_local(headpage); return ret; } may_inplace = !((rq->pageofs_in + rq->inputsize) & @@ -261,7 +261,7 @@ static int z_erofs_lz4_decompress_mem(struct z_erofs_lz4_decompress_ctx *ctx, } if (maptype == 0) { - kunmap_atomic(headpage); + kunmap_local(headpage); } else if (maptype == 1) { vm_unmap_ram(src, ctx->inpages); } else if (maptype == 2) { @@ -289,7 +289,7 @@ static int z_erofs_lz4_decompress(struct z_erofs_decompress_req *rq, /* one optimized fast path only for non bigpcluster cases yet */ if (ctx.inpages == 1 && ctx.outpages == 1 && !rq->inplace_io) { DBG_BUGON(!*rq->out); - dst = kmap_atomic(*rq->out); + dst = kmap_local_page(*rq->out); dst_maptype = 0; goto dstmap_out; } @@ -311,7 +311,7 @@ static int z_erofs_lz4_decompress(struct z_erofs_decompress_req *rq, dstmap_out: ret = z_erofs_lz4_decompress_mem(&ctx, dst + rq->pageofs_out); if (!dst_maptype) - kunmap_atomic(dst); + kunmap_local(dst); else if (dst_maptype == 2) vm_unmap_ram(dst, ctx.outpages); return ret; |