From 8598dc1a7582f82827cc08fefa89a0e73979d53a Mon Sep 17 00:00:00 2001
From: Timothy Arceri <tarceri@itsqueeze.com>
Date: Wed, 5 Aug 2020 14:46:42 +1000
Subject: [PATCH] disk_cache: add new OS specific helper
 disk_cache_evict_item()

Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6197>
---
 src/util/disk_cache.c    | 13 +------------
 src/util/disk_cache_os.c | 16 ++++++++++++++++
 src/util/disk_cache_os.h |  3 +++
 3 files changed, 20 insertions(+), 12 deletions(-)

diff --git a/src/util/disk_cache.c b/src/util/disk_cache.c
index 8d6817f8164..c2d5db4f588 100644
--- a/src/util/disk_cache.c
+++ b/src/util/disk_cache.c
@@ -227,23 +227,12 @@ disk_cache_wait_for_idle(struct disk_cache *cache)
 void
 disk_cache_remove(struct disk_cache *cache, const cache_key key)
 {
-   struct stat sb;
-
    char *filename = disk_cache_get_cache_filename(cache, key);
    if (filename == NULL) {
       return;
    }
 
-   if (stat(filename, &sb) == -1) {
-      free(filename);
-      return;
-   }
-
-   unlink(filename);
-   free(filename);
-
-   if (sb.st_blocks)
-      p_atomic_add(cache->size, - (uint64_t)sb.st_blocks * 512);
+   disk_cache_evict_item(cache, filename);
 }
 
 static ssize_t
diff --git a/src/util/disk_cache_os.c b/src/util/disk_cache_os.c
index 28885820bf1..d23b2f7d82f 100644
--- a/src/util/disk_cache_os.c
+++ b/src/util/disk_cache_os.c
@@ -438,6 +438,22 @@ disk_cache_evict_lru_item(struct disk_cache *cache)
       p_atomic_add(cache->size, - (uint64_t)size);
 }
 
+void
+disk_cache_evict_item(struct disk_cache *cache, char *filename)
+{
+   struct stat sb;
+   if (stat(filename, &sb) == -1) {
+      free(filename);
+      return;
+   }
+
+   unlink(filename);
+   free(filename);
+
+   if (sb.st_blocks)
+      p_atomic_add(cache->size, - (uint64_t)sb.st_blocks * 512);
+}
+
 /* Return a filename within the cache's directory corresponding to 'key'. The
  * returned filename is ralloced with 'cache' as the parent context.
  *
diff --git a/src/util/disk_cache_os.h b/src/util/disk_cache_os.h
index 04102545aa7..e753d08bd99 100644
--- a/src/util/disk_cache_os.h
+++ b/src/util/disk_cache_os.h
@@ -100,6 +100,9 @@ disk_cache_generate_cache_dir(void *mem_ctx);
 void
 disk_cache_evict_lru_item(struct disk_cache *cache);
 
+void
+disk_cache_evict_item(struct disk_cache *cache, char *filename);
+
 char *
 disk_cache_get_cache_filename(struct disk_cache *cache, const cache_key key);