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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-12-13 02:00:36 +0100
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-12-13 02:05:42 +0100
commit514e9e500abdd8ea91ea3b2fca214587ee24a342 (patch)
tree6a6ae1efad3cbd073725b4dbc507259121083139 /lib/sqfs/data_writer/fileapi.c
parent74f25ae0f3ebc1cd435f29c21ab164a9028af980 (diff)
Cleanup data writer
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'lib/sqfs/data_writer/fileapi.c')
-rw-r--r--lib/sqfs/data_writer/fileapi.c45
1 files changed, 43 insertions, 2 deletions
diff --git a/lib/sqfs/data_writer/fileapi.c b/lib/sqfs/data_writer/fileapi.c
index 98bdf5c..de77690 100644
--- a/lib/sqfs/data_writer/fileapi.c
+++ b/lib/sqfs/data_writer/fileapi.c
@@ -12,6 +12,22 @@ static bool is_zero_block(unsigned char *ptr, size_t size)
return ptr[0] == 0 && memcmp(ptr, ptr + 1, size - 1) == 0;
}
+static int enqueue_block(sqfs_data_writer_t *proc, sqfs_block_t *block)
+{
+ int status;
+
+ while (proc->backlog > proc->max_backlog) {
+ status = wait_completed(proc);
+ if (status)
+ return status;
+ }
+
+ if (proc->backlog == proc->max_backlog)
+ proc->notify_threads = true;
+
+ return append_to_work_queue(proc, block, proc->notify_threads);
+}
+
static int add_sentinel_block(sqfs_data_writer_t *proc)
{
sqfs_block_t *blk = calloc(1, sizeof(*blk));
@@ -22,7 +38,7 @@ static int add_sentinel_block(sqfs_data_writer_t *proc)
blk->inode = proc->inode;
blk->flags = proc->blk_flags | SQFS_BLK_LAST_BLOCK;
- return data_writer_enqueue(proc, blk);
+ return enqueue_block(proc, blk);
}
int sqfs_data_writer_begin_file(sqfs_data_writer_t *proc,
@@ -64,7 +80,7 @@ static int flush_block(sqfs_data_writer_t *proc, sqfs_block_t *block)
proc->blk_flags &= ~SQFS_BLK_FIRST_BLOCK;
}
- return data_writer_enqueue(proc, block);
+ return enqueue_block(proc, block);
}
int sqfs_data_writer_append(sqfs_data_writer_t *proc, const void *data,
@@ -145,3 +161,28 @@ int sqfs_data_writer_end_file(sqfs_data_writer_t *proc)
proc->blk_index = 0;
return 0;
}
+
+int sqfs_data_writer_finish(sqfs_data_writer_t *proc)
+{
+ int status = 0;
+
+ append_to_work_queue(proc, NULL, true);
+
+ while (proc->backlog > 0) {
+ status = wait_completed(proc);
+ if (status)
+ return status;
+ }
+
+ if (proc->frag_block != NULL) {
+ status = append_to_work_queue(proc, proc->frag_block, true);
+ proc->frag_block = NULL;
+
+ if (status)
+ return status;
+
+ status = wait_completed(proc);
+ }
+
+ return status;
+}