Re: [RFC PATCH v3 03/12] fs: add RWF_ENCODED for reading/writing compressed data
flat view
From: Omar Sandoval <osandov@osandov.com>
Date: 2019-11-27 09:10:19
Also in:
linux-btrfs, linux-fsdevel
On Wed, Nov 27, 2019 at 11:00:15AM +0200, Nikolay Borisov wrote:
On 26.11.19 г. 19:36 ч., Omar Sandoval wrote:quoted
On Tue, Nov 26, 2019 at 03:53:02PM +0200, Nikolay Borisov wrote:quoted
On 20.11.19 г. 20:24 ч., Omar Sandoval wrote:quoted
From: Omar Sandoval <redacted><snip>quoted
+enum { + ENCODED_IOV_COMPRESSION_NONE, +#define ENCODED_IOV_COMPRESSION_NONE ENCODED_IOV_COMPRESSION_NONE + ENCODED_IOV_COMPRESSION_ZLIB, +#define ENCODED_IOV_COMPRESSION_ZLIB ENCODED_IOV_COMPRESSION_ZLIB + ENCODED_IOV_COMPRESSION_LZO, +#define ENCODED_IOV_COMPRESSION_LZO ENCODED_IOV_COMPRESSION_LZO + ENCODED_IOV_COMPRESSION_ZSTD, +#define ENCODED_IOV_COMPRESSION_ZSTD ENCODED_IOV_COMPRESSION_ZSTD + ENCODED_IOV_COMPRESSION_TYPES = ENCODED_IOV_COMPRESSION_ZSTD,This looks very dodgy, what am I missing?This is a somewhat common trick so that enum values can be checked for with ifdef/ifndef. See include/uapi/linux.in.h, for example.I cannot seem to have this file on my system (or any .in.h file for that matter in the kernel source dir).
Whoops, that should be include/uapi/linux/in.h