Failed to save the file to the "xx" directory.
Failed to save the file to the "ll" directory.
Failed to save the file to the "mm" directory.
Failed to save the file to the "wp" directory.
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/* * io.h --- the I/O manager abstraction * * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. * * %Begin-Header% * This file may be redistributed under the terms of the GNU Library * General Public License, version 2. * %End-Header% */ #ifndef _EXT2FS_EXT2_IO_H #define _EXT2FS_EXT2_IO_H #include <ext2fs/ext2_types.h> /* * ext2_loff_t is defined here since unix_io.c needs it. */ #if defined(__GNUC__) || defined(HAS_LONG_LONG) typedef long long ext2_loff_t; #else typedef long ext2_loff_t; #endif /* llseek.c */ ext2_loff_t ext2fs_llseek (int, ext2_loff_t, int); typedef struct struct_io_manager *io_manager; 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; io_manager manager; char *name; int block_size; errcode_t (*read_error)(io_channel channel, unsigned long block, int count, void *data, size_t size, int actual_bytes_read, errcode_t error); errcode_t (*write_error)(io_channel channel, unsigned long block, int count, const void *data, size_t size, int actual_bytes_written, errcode_t error); int refcount; int flags; long reserved[14]; void *private_data; void *app_data; int align; }; struct struct_io_stats { int num_fields; int reserved; unsigned long long bytes_read; unsigned long long bytes_written; }; struct struct_io_manager { errcode_t magic; const char *name; errcode_t (*open)(const char *name, int flags, io_channel *channel); errcode_t (*close)(io_channel channel); errcode_t (*set_blksize)(io_channel channel, int blksize); errcode_t (*read_blk)(io_channel channel, unsigned long block, int count, void *data); errcode_t (*write_blk)(io_channel channel, unsigned long block, int count, const void *data); errcode_t (*flush)(io_channel channel); errcode_t (*write_byte)(io_channel channel, unsigned long offset, int count, const void *data); errcode_t (*set_option)(io_channel channel, const char *option, const char *arg); errcode_t (*get_stats)(io_channel channel, io_stats *io_stats); errcode_t (*read_blk64)(io_channel channel, unsigned long long block, int count, void *data); errcode_t (*write_blk64)(io_channel channel, unsigned long long block, int count, const void *data); errcode_t (*discard)(io_channel channel, unsigned long long block, unsigned long long count); errcode_t (*cache_readahead)(io_channel channel, unsigned long long block, unsigned long long count); errcode_t (*zeroout)(io_channel channel, unsigned long long block, unsigned long long count); long reserved[14]; }; #define IO_FLAG_RW 0x0001 #define IO_FLAG_EXCLUSIVE 0x0002 #define IO_FLAG_DIRECT_IO 0x0004 #define IO_FLAG_FORCE_BOUNCE 0x0008 /* * Convenience functions.... */ #define io_channel_close(c) ((c)->manager->close((c))) #define io_channel_set_blksize(c,s) ((c)->manager->set_blksize((c),s)) #define io_channel_read_blk(c,b,n,d) ((c)->manager->read_blk((c),b,n,d)) #define io_channel_write_blk(c,b,n,d) ((c)->manager->write_blk((c),b,n,d)) #define io_channel_flush(c) ((c)->manager->flush((c))) #define io_channel_bumpcount(c) ((c)->refcount++) /* io_manager.c */ extern errcode_t io_channel_set_options(io_channel channel, const char *options); extern errcode_t io_channel_write_byte(io_channel channel, unsigned long offset, int count, const void *data); extern errcode_t io_channel_read_blk64(io_channel channel, unsigned long long block, int count, void *data); 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); extern errcode_t io_channel_zeroout(io_channel channel, unsigned long long block, unsigned long long count); extern errcode_t io_channel_alloc_buf(io_channel channel, int count, void *ptr); extern errcode_t io_channel_cache_readahead(io_channel io, unsigned long long block, unsigned long long count); /* unix_io.c */ extern io_manager unix_io_manager; extern io_manager unixfd_io_manager; /* sparse_io.c */ extern io_manager sparse_io_manager; extern io_manager sparsefd_io_manager; /* undo_io.c */ extern io_manager undo_io_manager; extern errcode_t set_undo_io_backing_manager(io_manager manager); extern errcode_t set_undo_io_backup_file(char *file_name); /* test_io.c */ extern io_manager test_io_manager, test_io_backing_manager; extern void (*test_io_cb_read_blk) (unsigned long block, int count, errcode_t err); extern void (*test_io_cb_write_blk) (unsigned long block, int count, errcode_t err); extern void (*test_io_cb_read_blk64) (unsigned long long block, int count, errcode_t err); extern void (*test_io_cb_write_blk64) (unsigned long long block, int count, errcode_t err); extern void (*test_io_cb_set_blksize) (int blksize, errcode_t err); #endif /* _EXT2FS_EXT2_IO_H */