is a tool to change a file-system from one format to another, for example from jfs, xfs, or reiser to ext2, ext3, or ext4, in-place and without the need for backup.
| io_null.cc (fstransform-0.9.3-src) | : | io_null.cc (fstransform-0.9.4) |
|---|
| | |
| skipping to change at line 34 | | skipping to change at line 34 |
|---|
| */ | | */ |
| | |
| #include "../first.hh" | | #include "../first.hh" |
| | |
| #include "../log.hh" // for ff_log() | | #include "../log.hh" // for ff_log() |
| #include "../misc.hh" // for ff_pretty_size() | | #include "../misc.hh" // for ff_pretty_size() |
| #include "io_null.hh" // for ft_io_null | | #include "io_null.hh" // for ft_io_null |
| | |
| FT_IO_NAMESPACE_BEGIN | | FT_IO_NAMESPACE_BEGIN |
| | |
|
| char const * const ft_io_null::extents_label[ft_io_null::FC_FILE_COUNT] = { "DEV | | char const * const ft_io_null::extents_label[ft_io_null::FC_EXTENTS_FILE_COUNT] |
| ICE-LENGTH", "LOOP-EXTENTS", "FREE-SPACE-EXTENTS" }; | | = { |
| | "DEVICE-LENGTH", "LOOP-EXTENTS", "FREE-SPACE-EXTENTS", "TO-ZERO-E |
| | XTENTS" |
| | }; |
| | |
| char const * const ft_io_null::sim_msg = "(simulated) "; | | char const * const ft_io_null::sim_msg = "(simulated) "; |
| | |
| /** constructor */ | | /** constructor */ |
| ft_io_null::ft_io_null(fr_persist & persist) | | ft_io_null::ft_io_null(fr_persist & persist) |
| : super_type(persist) | | : super_type(persist) |
| { | | { |
| /* tell job that we're a simulation */ | | /* tell job that we're a simulation */ |
| job().simulate_run(true); | | job().simulate_run(true); |
| } | | } |
| | |
| skipping to change at line 59 | | skipping to change at line 61 |
|---|
| | |
| /** | | /** |
| * retrieve LOOP-FILE extents and FREE-SPACE extents and append them into | | * retrieve LOOP-FILE extents and FREE-SPACE extents and append them into |
| * the vectors loop_file_extents and free_space_extents. | | * the vectors loop_file_extents and free_space_extents. |
| * the vectors will be ordered by extent ->logical. | | * the vectors will be ordered by extent ->logical. |
| * | | * |
| * return 0 for success, else error (and vectors contents will be UNDEFINED). | | * return 0 for success, else error (and vectors contents will be UNDEFINED). |
| * | | * |
| * implementation: does nothing. | | * implementation: does nothing. |
| */ | | */ |
|
| int ft_io_null::read_extents(fr_vector<ft_uoff> & loop_file_extents, | | int ft_io_null::read_extents(fr_vector<ft_uoff> & FT_ARG_UNUSED(loop_file_extent |
| fr_vector<ft_uoff> & free_space_extents, | | s), |
| ft_uoff & ret_block_size_bitmask) | | fr_vector<ft_uoff> & FT_ARG_UNUSED(free_space_exten |
| | ts), |
| | fr_vector<ft_uoff> & FT_ARG_UNUSED(to_zero_extents) |
| | , |
| | ft_uoff & FT_ARG_UNUSED(ret_block_size_bitmask)) |
| { | | { |
| return 0; | | return 0; |
| } | | } |
| | |
| /** | | /** |
| * close the file descriptors for LOOP-FILE and ZERO-FILE | | * close the file descriptors for LOOP-FILE and ZERO-FILE |
| * | | * |
| * implementation: do nothing and return success | | * implementation: do nothing and return success |
| */ | | */ |
| void ft_io_null::close_extents() | | void ft_io_null::close_extents() |
| | |
| skipping to change at line 111 | | skipping to change at line 114 |
|---|
| } | | } |
| | |
| /** | | /** |
| * actually copy a list of fragments from DEVICE or FREE-STORAGE, to STORAGE to
FREE-DEVICE. | | * actually copy a list of fragments from DEVICE or FREE-STORAGE, to STORAGE to
FREE-DEVICE. |
| * must be implemented by sub-classes. | | * must be implemented by sub-classes. |
| * note: parameters are in bytes! | | * note: parameters are in bytes! |
| * return 0 if success, else error. | | * return 0 if success, else error. |
| * | | * |
| * implementation: do nothing and return success | | * implementation: do nothing and return success |
| */ | | */ |
|
| int ft_io_null::flush_copy_bytes(fr_dir dir, fr_vector<ft_uoff> & request_vec) | | int ft_io_null::flush_copy_bytes(fr_dir FT_ARG_UNUSED(dir), |
| | fr_vector<ft_uoff> & FT_ARG_UNUSED(request_vec) |
| | ) |
| { | | { |
| return 0; | | return 0; |
| } | | } |
| | |
| /** | | /** |
| * flush any pending copy, i.e. actually perform all queued copies. | | * flush any pending copy, i.e. actually perform all queued copies. |
| * return 0 if success, else error | | * return 0 if success, else error |
| * | | * |
| * implementation: do nothing and return success | | * implementation: do nothing and return success |
| */ | | */ |
| | |
| skipping to change at line 133 | | skipping to change at line 137 |
|---|
| { | | { |
| return 0; | | return 0; |
| } | | } |
| | |
| /** | | /** |
| * write zeroes to device (or to storage). | | * write zeroes to device (or to storage). |
| * used to remove device-renumbered blocks once remapping is finished | | * used to remove device-renumbered blocks once remapping is finished |
| * | | * |
| * implementation: do nothing and return success | | * implementation: do nothing and return success |
| */ | | */ |
|
| int ft_io_null::zero_bytes(fr_to to, ft_uoff offset, ft_uoff length) | | int ft_io_null::zero_bytes(fr_to FT_ARG_UNUSED(to), ft_uoff FT_ARG_UNUSED(offset
), ft_uoff FT_ARG_UNUSED(length)) |
| { | | { |
| return 0; | | return 0; |
| } | | } |
| | |
| /** | | /** |
| * write zeroes to primary storage. | | * write zeroes to primary storage. |
| * used to remove primary-storage once remapping is finished | | * used to remove primary-storage once remapping is finished |
| * and clean the remaped file-system | | * and clean the remaped file-system |
| * | | * |
| * implementation: do nothing and return success | | * implementation: do nothing and return success |
| | | |
| End of changes. 4 change blocks. |
|---|
| 7 lines changed or deleted | | 16 lines changed or added |
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"Fossies" - the Fresh Open Source Software Archive 