On Thu, Nov 14, 2013 at 05:14:16AM +0000, Phillip Lougher wrote: > The decompressor interface and code was written from > the point of view of single-threaded operation. In doing > so it mixed a lot of single-threaded implementation specific > aspects into the decompressor code and elsewhere which makes it > difficult to seamlessly support multiple different decompressor > implementations. > > This patch does the following: > > 1. It removes compressor_options parsing from the decompressor > init() function. This allows the decompressor init() function > to be dynamically called to instantiate multiple decompressors, > without the compressor options needing to be read and parsed each > time. > > 2. It moves threading and all sleeping operations out of the > decompressors. In doing so, it makes the decompressors > non-blocking wrappers which only deal with interfacing with > the decompressor implementation. > > 3. It splits decompressor.[ch] into decompressor generic functions > in decompressor.[ch], and moves the single threaded > decompressor implementation into decompressor_single.c. > > The result of this patch is Squashfs should now be able to > support multiple decompressors by adding new decompressor_xxx.c > files with specialised implementations of the functions in > decompressor_single.c > > V3: > * decompressor_single.c: Remove kfree(comp_opts) in error path > * of squashfs_decompressor_create() > * Double free of comp_opts found by static analysis, reported by > * Dan Carpenter > > Signed-off-by: Phillip Lougher <phil...@squashfs.org.uk> Reviewed-by: Minchan Kim <minc...@kernel.org>
-- Kind regards, Minchan Kim -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
