g_atomic_int_add(&inode->fs->cache_dirty, 1);
block->type = BLUESKY_BLOCK_DIRTY;
g_atomic_int_add(&inode->fs->cache_dirty, 1);
block->type = BLUESKY_BLOCK_DIRTY;
- g_print("Truncating file to %"PRIi64" bytes\n", size);
+ if (bluesky_verbose) {
+ g_log("bluesky/file", G_LOG_LEVEL_DEBUG,
+ "Truncating file to %"PRIi64" bytes", size);
+ }
/* Delete blocks from a file. Must reclaim memory. */
for (guint i = inode->blocks->len; i < blocks; i++) {
BlueSkyBlock *b = &g_array_index(inode->blocks, BlueSkyBlock, i);
/* Delete blocks from a file. Must reclaim memory. */
for (guint i = inode->blocks->len; i < blocks; i++) {
BlueSkyBlock *b = &g_array_index(inode->blocks, BlueSkyBlock, i);
if (b->type == BLUESKY_BLOCK_CACHED
|| b->type == BLUESKY_BLOCK_DIRTY)
g_atomic_int_add(&inode->fs->cache_total, -1);
if (b->type == BLUESKY_BLOCK_DIRTY)
g_atomic_int_add(&inode->fs->cache_dirty, -1);
bluesky_string_unref(b->data);
if (b->type == BLUESKY_BLOCK_CACHED
|| b->type == BLUESKY_BLOCK_DIRTY)
g_atomic_int_add(&inode->fs->cache_total, -1);
if (b->type == BLUESKY_BLOCK_DIRTY)
g_atomic_int_add(&inode->fs->cache_dirty, -1);
bluesky_string_unref(b->data);
void bluesky_file_write(BlueSkyInode *inode, uint64_t offset,
const char *data, gint len)
{
void bluesky_file_write(BlueSkyInode *inode, uint64_t offset,
const char *data, gint len)
{
g_return_if_fail(inode->type == BLUESKY_REGULAR);
g_return_if_fail(offset < inode->size);
g_return_if_fail(len <= inode->size - offset);
g_return_if_fail(inode->type == BLUESKY_REGULAR);
g_return_if_fail(offset < inode->size);
g_return_if_fail(len <= inode->size - offset);
uint64_t start_block, end_block;
start_block = offset / BLUESKY_BLOCK_SIZE;
end_block = (offset + len - 1) / BLUESKY_BLOCK_SIZE;
uint64_t start_block, end_block;
start_block = offset / BLUESKY_BLOCK_SIZE;
end_block = (offset + len - 1) / BLUESKY_BLOCK_SIZE;
- g_print("Start prefetch on blocks %"PRIi64" .. %"PRIi64"\n",
- start_block, end_block);
+ if (bluesky_verbose) {
+ g_log("bluesky/file", G_LOG_LEVEL_DEBUG,
+ "Start prefetch on blocks %"PRIi64" .. %"PRIi64,
+ start_block, end_block);
+ }
for (uint64_t i = start_block; i <= end_block; i++) {
BlueSkyBlock *b = &g_array_index(inode->blocks, BlueSkyBlock,
i);
if (b->type == BLUESKY_BLOCK_REF)
for (uint64_t i = start_block; i <= end_block; i++) {
BlueSkyBlock *b = &g_array_index(inode->blocks, BlueSkyBlock,
i);
if (b->type == BLUESKY_BLOCK_REF)
}
bluesky_store_async_submit(barrier);
bluesky_store_async_wait(barrier);
bluesky_store_async_unref(barrier);
}
bluesky_store_async_submit(barrier);
bluesky_store_async_wait(barrier);
bluesky_store_async_unref(barrier);
/* Read the given block from cloud-backed storage if the data is not already
* cached. */
static void block_fetch_completion(BlueSkyStoreAsync *async, gpointer data)
/* Read the given block from cloud-backed storage if the data is not already
* cached. */
static void block_fetch_completion(BlueSkyStoreAsync *async, gpointer data)
bluesky_string_unref(block->data);
block->data = async->data;
bluesky_string_ref(block->data);
bluesky_string_unref(block->data);
block->data = async->data;
bluesky_string_ref(block->data);
bluesky_store_async_unref(async);
g_atomic_int_add(&fs->cache_total, 1);
bluesky_store_async_unref(async);
g_atomic_int_add(&fs->cache_total, 1);
-void bluesky_block_flush(BlueSkyFS *fs, BlueSkyBlock *block,
- BlueSkyStoreAsync *barrier)
+void bluesky_block_flush(BlueSkyInode *inode, BlueSkyBlock *block,
+ GList **log_items)
- GChecksum *csum = g_checksum_new(G_CHECKSUM_SHA256);
- g_checksum_update(csum, (const guchar *)data->data, data->len);
- gchar *name = g_strdup(g_checksum_get_string(csum));
+ BlueSkyRCStr *data = block->data;
- /* Store the file data asynchronously, and don't bother waiting for a
- * response. */
- BlueSkyStoreAsync *async = bluesky_store_async_new(fs->store);
- async->op = STORE_OP_PUT;
- async->key = g_strdup(name);
+ BlueSkyCloudLog *cloudlog = bluesky_cloudlog_new(fs);
+ cloudlog->type = LOGTYPE_DATA;
+ cloudlog->inum = inode->inum;
+ cloudlog->data = data;
- async->data = data;
- bluesky_store_async_submit(async);
- if (barrier != NULL)
- bluesky_store_add_barrier(barrier, async);
- bluesky_store_async_unref(async);
+ bluesky_cloudlog_sync(cloudlog);
+ *log_items = g_list_prepend(*log_items, cloudlog);
+ bluesky_cloudlog_insert(cloudlog);
block->type = BLUESKY_BLOCK_CACHED;
g_atomic_int_add(&fs->cache_dirty, -1);
block->type = BLUESKY_BLOCK_CACHED;
g_atomic_int_add(&fs->cache_dirty, -1);
{
g_return_if_fail(inode->type == BLUESKY_REGULAR);
for (int i = 0; i < inode->blocks->len; i++) {
BlueSkyBlock *b = &g_array_index(inode->blocks, BlueSkyBlock, i);
{
g_return_if_fail(inode->type == BLUESKY_REGULAR);
for (int i = 0; i < inode->blocks->len; i++) {
BlueSkyBlock *b = &g_array_index(inode->blocks, BlueSkyBlock, i);
}
}
/* Drop clean data blocks for a file from cache. */
void bluesky_file_drop_cached(BlueSkyInode *inode)
{
}
}
/* Drop clean data blocks for a file from cache. */
void bluesky_file_drop_cached(BlueSkyInode *inode)
{
g_return_if_fail(inode->type == BLUESKY_REGULAR);
for (int i = 0; i < inode->blocks->len; i++) {
BlueSkyBlock *b = &g_array_index(inode->blocks, BlueSkyBlock, i);
if (b->type == BLUESKY_BLOCK_CACHED) {
g_return_if_fail(inode->type == BLUESKY_REGULAR);
for (int i = 0; i < inode->blocks->len; i++) {
BlueSkyBlock *b = &g_array_index(inode->blocks, BlueSkyBlock, i);
if (b->type == BLUESKY_BLOCK_CACHED) {
- g_log("bluesky/cache", G_LOG_LEVEL_DEBUG,
- "Dropping block %d of inode %"PRIu64" from cache",
- i, inode->inum);
+ if (bluesky_verbose) {
+ g_log("bluesky/cache", G_LOG_LEVEL_DEBUG,
+ "Dropping block %d of inode %"PRIu64" from cache",
+ i, inode->inum);
+ g_log("bluesky/cache", G_LOG_LEVEL_DEBUG,
+ " (reference count was %d)", b->data->refcount);
+ }
bluesky_string_unref(b->data);
b->data = NULL;
b->type = BLUESKY_BLOCK_REF;
g_atomic_int_add(&inode->fs->cache_total, -1);
}
}
bluesky_string_unref(b->data);
b->data = NULL;
b->type = BLUESKY_BLOCK_REF;
g_atomic_int_add(&inode->fs->cache_total, -1);
}
}