Mesa (master): util/disk_cache: add helpers for creating/ destroying disk cache put jobs
Timothy Arceri
tarceri at kemper.freedesktop.org
Wed Mar 15 00:35:15 UTC 2017
Module: Mesa
Branch: master
Commit: fc5ec64ba3bb0e337127443a85e2a3f23abba34b
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=fc5ec64ba3bb0e337127443a85e2a3f23abba34b
Author: Timothy Arceri <tarceri at itsqueeze.com>
Date: Mon Mar 13 10:14:35 2017 +1100
util/disk_cache: add helpers for creating/destroying disk cache put jobs
V2: Make a copy of the data so we don't have to worry about it being
freed before we are done compressing/writing.
Reviewed-by: Grazvydas Ignotas <notasas at gmail.com>
---
src/util/disk_cache.c | 40 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/src/util/disk_cache.c b/src/util/disk_cache.c
index 19b593b..ae2861d 100644
--- a/src/util/disk_cache.c
+++ b/src/util/disk_cache.c
@@ -78,6 +78,20 @@ struct disk_cache {
uint64_t max_size;
};
+struct disk_cache_put_job {
+ struct util_queue_fence fence;
+
+ struct disk_cache *cache;
+
+ cache_key key;
+
+ /* Copy of cache data to be compressed and written. */
+ void *data;
+
+ /* Size of data to be compressed and written. */
+ size_t size;
+};
+
/* Create a directory named 'path' if it does not already exist.
*
* Returns: 0 if path already exists as a directory or if created.
@@ -735,6 +749,32 @@ deflate_and_write_to_disk(const void *in_data, size_t in_data_size, int dest,
return compressed_size;
}
+static struct disk_cache_put_job *
+create_put_job(struct disk_cache *cache, const cache_key key,
+ const void *data, size_t size)
+{
+ struct disk_cache_put_job *dc_job = (struct disk_cache_put_job *)
+ malloc(sizeof(struct disk_cache_put_job) + size);
+
+ if (dc_job) {
+ dc_job->cache = cache;
+ memcpy(dc_job->key, key, sizeof(cache_key));
+ dc_job->data = dc_job + 1;
+ memcpy(dc_job->data, data, size);
+ dc_job->size = size;
+ }
+
+ return dc_job;
+}
+
+static void
+destroy_put_job(void *job, int thread_index)
+{
+ if (job) {
+ free(job);
+ }
+}
+
struct cache_entry_file_data {
uint32_t crc32;
uint32_t uncompressed_size;
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