Fix more spelling errors found by translators and add pluralization

[tools/e2fsprogs.git] / lib / ext2fs / ext2_io.h

diff --git a/lib/ext2fs/ext2_io.h b/lib/ext2fs/ext2_io.h
index f26b569..bcc2f87 100644 (file)
--- a/lib/ext2fs/ext2_io.h
+++ b/lib/ext2fs/ext2_io.h
@@ -29,6 +29,10 @@ typedef struct struct_io_channel *io_channel;
 typedef struct struct_io_stats *io_stats;
 
 #define CHANNEL_FLAGS_WRITETHROUGH     0x01
+#define CHANNEL_FLAGS_DISCARD_ZEROES   0x02
+#define CHANNEL_FLAGS_BLOCK_DEVICE     0x04
+
+#define io_channel_discard_zeroes_data(i) (i->flags & CHANNEL_FLAGS_DISCARD_ZEROES)
 
 struct struct_io_channel {
        errcode_t       magic;
@@ -114,6 +118,9 @@ extern errcode_t io_channel_read_blk64(io_channel channel,
 extern errcode_t io_channel_write_blk64(io_channel channel,
                                        unsigned long long block,
                                        int count, const void *data);
+extern errcode_t io_channel_discard(io_channel channel,
+                                   unsigned long long block,
+                                   unsigned long long count);
 
 /* unix_io.c */
 extern io_manager unix_io_manager;