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-rw-r--r--src/http/ngx_http_file_cache.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/http/ngx_http_file_cache.c b/src/http/ngx_http_file_cache.c
index 8e908a1dc..5d90adc48 100644
--- a/src/http/ngx_http_file_cache.c
+++ b/src/http/ngx_http_file_cache.c
@@ -53,6 +53,7 @@ ngx_http_file_cache_init(ngx_shm_zone_t *shm_zone, void *data)
ngx_http_file_cache_t *ocache = data;
size_t len;
+ ngx_uint_t n;
ngx_http_file_cache_t *cache;
cache = shm_zone->data;
@@ -68,6 +69,15 @@ ngx_http_file_cache_init(ngx_shm_zone_t *shm_zone, void *data)
return NGX_ERROR;
}
+ for (n = 0; n < 3; n++) {
+ if (cache->path->level[n] != ocache->path->level[n]) {
+ ngx_log_error(NGX_LOG_EMERG, shm_zone->shm.log, 0,
+ "cache \"%V\" had previously different levels",
+ &shm_zone->shm.name);
+ return NGX_ERROR;
+ }
+ }
+
cache->sh = ocache->sh;
cache->shpool = ocache->shpool;