fs/zfs/lz4.c

37 static int real_LZ4_compress(const char *source, char *dest, int isize,
39 static int LZ4_compressBound(int isize);
41     int isize, int maxOutputSize);
43     int isize, int osize);
45     int isize, int osize);
100  * 	isize  : is the input size. Max supported value is ~1.9GB
115  * 	isize  : is the input size. Max supported value is ~1.9GB
120  * 	isize  : is the input size, therefore the compressed size
141  * 	isize *Must* be <64KB, otherwise the output will be corrupted.
457 LZ4_compressBound(int isize)
459 	return (isize + (isize / 255) + 16);
466 LZ4_compressCtx(void *ctx, const char *source, char *dest, int isize,
479 	const BYTE *const iend = ip + isize;
492 	if (isize < MINLENGTH)
651 /* Note : this function is valid only if isize < LZ4_64KLIMIT */
661 LZ4_compress64kCtx(void *ctx, const char *source, char *dest, int isize,
674 	const BYTE *const iend = ip + isize;
686 	if (isize < MINLENGTH)
842 real_LZ4_compress(const char *source, char *dest, int isize, int osize)
856 	if (isize < LZ4_64KLIMIT)
857 		result = LZ4_compress64kCtx(ctx, source, dest, isize, osize);
859 		result = LZ4_compressCtx(ctx, source, dest, isize, osize);
864 	if (isize < (int)LZ4_64KLIMIT)
865 		return (LZ4_compress64kCtx(NULL, source, dest, isize, osize));
866 	return (LZ4_compressCtx(NULL, source, dest, isize, osize));
883 LZ4_uncompress_unknownOutputSize(const char *source, char *dest, int isize,
888 	const BYTE *const iend = ip + isize;