From: Matthew Ahrens Date: Thu, 2 May 2019 23:46:04 +0000 (-0700) Subject: Reword comment in lz4_compress_zfs X-Git-Tag: zfs-0.8.0-rc5~21 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=8d9f616511cbb1775e0225b3315f4713135da7f6;p=zfs Reword comment in lz4_compress_zfs The comment in lz4_compress_zfs could be more clear and specific. It also contains needlessly strong language. Reviewed-by: Brian Behlendorf Reviewed-by: Serapheim Dimitropoulos Signed-off-by: Matthew Ahrens Closes: #8702 Closes: #8703 --- diff --git a/module/zfs/lz4.c b/module/zfs/lz4.c index 9b9a2e693..c04cfa7ba 100644 --- a/module/zfs/lz4.c +++ b/module/zfs/lz4.c @@ -63,10 +63,10 @@ lz4_compress_zfs(void *s_start, void *d_start, size_t s_len, return (s_len); /* - * Encode the compressed buffer size at the start. We'll need this in - * decompression to counter the effects of padding which might be - * added to the compressed buffer and which, if unhandled, would - * confuse the hell out of our decompression function. + * The exact compressed size is needed by the decompression routine, + * so it is stored at the start of the buffer. Note that this may be + * less than the compressed block size, which is rounded up to a + * multiple of 1<