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-rw-r--r--xlators/storage/posix/src/posix-helpers.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/xlators/storage/posix/src/posix-helpers.c b/xlators/storage/posix/src/posix-helpers.c
index 850d617..5d15ccb 100644
--- a/xlators/storage/posix/src/posix-helpers.c
+++ b/xlators/storage/posix/src/posix-helpers.c
@@ -1592,6 +1592,99 @@ unlock:
return;
}
+static struct posix_fd *
+janitor_get_next_fd(glusterfs_ctx_t *ctx)
+{
+ struct posix_fd *pfd = NULL;
+
+ while (list_empty(&ctx->janitor_fds)) {
+ if (ctx->pxl_count == 0) {
+ return NULL;
+ }
+
+ pthread_cond_wait(&ctx->fd_cond, &ctx->fd_lock);
+ }
+
+ pfd = list_first_entry(&ctx->janitor_fds, struct posix_fd, list);
+ list_del_init(&pfd->list);
+
+ return pfd;
+}
+
+static void
+posix_close_pfd(xlator_t *xl, struct posix_fd *pfd)
+{
+ THIS = xl;
+
+ if (pfd->dir == NULL) {
+ gf_msg_trace(xl->name, 0, "janitor: closing file fd=%d", pfd->fd);
+ sys_close(pfd->fd);
+ } else {
+ gf_msg_debug(xl->name, 0, "janitor: closing dir fd=%p", pfd->dir);
+ sys_closedir(pfd->dir);
+ }
+
+ GF_FREE(pfd);
+}
+
+static void *
+posix_ctx_janitor_thread_proc(void *data)
+{
+ xlator_t *xl;
+ struct posix_fd *pfd;
+ glusterfs_ctx_t *ctx = NULL;
+ struct posix_private *priv_fd;
+
+ ctx = data;
+
+ pthread_mutex_lock(&ctx->fd_lock);
+
+ while ((pfd = janitor_get_next_fd(ctx)) != NULL) {
+ pthread_mutex_unlock(&ctx->fd_lock);
+
+ xl = pfd->xl;
+ posix_close_pfd(xl, pfd);
+
+ pthread_mutex_lock(&ctx->fd_lock);
+
+ priv_fd = xl->private;
+ priv_fd->rel_fdcount--;
+ if (!priv_fd->rel_fdcount)
+ pthread_cond_signal(&priv_fd->fd_cond);
+ }
+
+ pthread_mutex_unlock(&ctx->fd_lock);
+
+ return NULL;
+}
+
+int
+posix_spawn_ctx_janitor_thread(xlator_t *this)
+{
+ int ret = 0;
+ glusterfs_ctx_t *ctx = NULL;
+
+ ctx = this->ctx;
+
+ pthread_mutex_lock(&ctx->fd_lock);
+ {
+ if (ctx->pxl_count++ == 0) {
+ ret = gf_thread_create(&ctx->janitor, NULL,
+ posix_ctx_janitor_thread_proc, ctx,
+ "posixctxjan");
+
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, errno, P_MSG_THREAD_FAILED,
+ "spawning janitor thread failed");
+ ctx->pxl_count--;
+ }
+ }
+ }
+ pthread_mutex_unlock(&ctx->fd_lock);
+
+ return ret;
+}
+
static int
is_fresh_file(int64_t sec, int64_t ns)
{