Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936182AbcLTTEO (ORCPT ); Tue, 20 Dec 2016 14:04:14 -0500 Received: from mailhost.informatik.uni-hamburg.de ([134.100.9.70]:40298 "EHLO mailhost.informatik.uni-hamburg.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934258AbcLTTCs (ORCPT ); Tue, 20 Dec 2016 14:02:48 -0500 From: Sven Schmidt <4sschmid@informatik.uni-hamburg.de> To: akpm@linux-foundation.org Cc: bongkyu.kim@lge.com, sergey.senozhatsky@gmail.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, Sven Schmidt <4sschmid@informatik.uni-hamburg.de> Subject: [PATCH 2/3] fs/pstore: fs/squashfs: Change lz4 compressor functions to work with new version Date: Tue, 20 Dec 2016 19:53:11 +0100 Message-Id: <1482259992-16680-3-git-send-email-4sschmid@informatik.uni-hamburg.de> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1482259992-16680-1-git-send-email-4sschmid@informatik.uni-hamburg.de> References: <1482259992-16680-1-git-send-email-4sschmid@informatik.uni-hamburg.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2651 Lines: 75 This patch updates the fs/pstore and fs/squashfs to work with the new LZ4 kernel module version. Signed-off-by: Sven Schmidt <4sschmid@informatik.uni-hamburg.de> --- fs/pstore/platform.c | 11 +++++------ fs/squashfs/lz4_wrapper.c | 3 +-- 2 files changed, 6 insertions(+), 8 deletions(-) diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c index 729677e..037dc07 100644 --- a/fs/pstore/platform.c +++ b/fs/pstore/platform.c @@ -342,7 +342,7 @@ static int compress_lz4(const void *in, void *out, size_t inlen, size_t outlen) { int ret; - ret = lz4_compress(in, inlen, out, &outlen, workspace); + ret = LZ4_compress_default(in, out, inlen, outlen, workspace); if (ret) { pr_err("lz4_compress error, ret = %d!\n", ret); return -EIO; @@ -355,7 +355,7 @@ static int decompress_lz4(void *in, void *out, size_t inlen, size_t outlen) { int ret; - ret = lz4_decompress_unknownoutputsize(in, inlen, out, &outlen); + ret = LZ4_decompress_safe(in, out, inlen, outlen); if (ret) { pr_err("lz4_decompress error, ret = %d!\n", ret); return -EIO; @@ -366,7 +366,7 @@ static int decompress_lz4(void *in, void *out, size_t inlen, size_t outlen) static void allocate_lz4(void) { - big_oops_buf_sz = lz4_compressbound(psinfo->bufsize); + big_oops_buf_sz = LZ4_compressBound(psinfo->bufsize); big_oops_buf = kmalloc(big_oops_buf_sz, GFP_KERNEL); if (big_oops_buf) { workspace = kmalloc(LZ4_MEM_COMPRESS, GFP_KERNEL); @@ -493,7 +493,6 @@ static void pstore_dump(struct kmsg_dumper *dumper, if (!is_locked) { pr_err("pstore dump routine blocked in %s path, may corrupt error record\n" , in_nmi() ? "NMI" : why); - return; } } else { spin_lock_irqsave(&psinfo->buf_lock, flags); @@ -585,8 +584,8 @@ static void pstore_console_write(struct console *con, const char *s, unsigned c) } else { spin_lock_irqsave(&psinfo->buf_lock, flags); } - psinfo->write_buf(PSTORE_TYPE_CONSOLE, 0, &id, 0, - s, 0, c, psinfo); + memcpy(psinfo->buf, s, c); + psinfo->write(PSTORE_TYPE_CONSOLE, 0, &id, 0, 0, 0, c, psinfo); spin_unlock_irqrestore(&psinfo->buf_lock, flags); s += c; c = e - s; diff --git a/fs/squashfs/lz4_wrapper.c b/fs/squashfs/lz4_wrapper.c index ff4468b..c087a63 100644 --- a/fs/squashfs/lz4_wrapper.c +++ b/fs/squashfs/lz4_wrapper.c @@ -108,8 +108,7 @@ static int lz4_uncompress(struct squashfs_sb_info *msblk, void *strm, put_bh(bh[i]); } - res = lz4_decompress_unknownoutputsize(stream->input, length, - stream->output, &dest_len); + res = LZ4_decompress_safe(stream->input, stream->output, length, (int)dest_len); if (res) return -EIO; -- 2.1.4