diff options
Diffstat (limited to 'lib/ext2fs/io_manager.c')
| -rw-r--r-- | lib/ext2fs/io_manager.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/lib/ext2fs/io_manager.c b/lib/ext2fs/io_manager.c index e50d7e41..8d732530 100644 --- a/lib/ext2fs/io_manager.c +++ b/lib/ext2fs/io_manager.c @@ -67,3 +67,35 @@ errcode_t io_channel_write_byte(io_channel channel, unsigned long offset, return EXT2_ET_UNIMPLEMENTED; } + +errcode_t io_channel_read_blk64(io_channel channel, unsigned long long block, + int count, void *data) +{ + EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); + + if (channel->manager->read_blk64) + return (channel->manager->read_blk64)(channel, block, + count, data); + + if ((block >> 32) != 0) + return EXT2_ET_IO_CHANNEL_NO_SUPPORT_64; + + return (channel->manager->read_blk)(channel, (unsigned long) block, + count, data); +} + +errcode_t io_channel_write_blk64(io_channel channel, unsigned long long block, + int count, const void *data) +{ + EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL); + + if (channel->manager->write_blk64) + return (channel->manager->write_blk64)(channel, block, + count, data); + + if ((block >> 32) != 0) + return EXT2_ET_IO_CHANNEL_NO_SUPPORT_64; + + return (channel->manager->write_blk)(channel, (unsigned long) block, + count, data); +} |