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2011-02-04post-release administriviaJim Meyering
* NEWS: Add header line for next release. * .prev-version: Record previous version. * cfg.mk (old_NEWS_hash): Auto-update.
2011-02-04version 8.10Jim Meyering
* NEWS: Record release date.
2011-02-04cp: avoid spurious failure on any non-linux kernelJim Meyering
* src/extent-scan.c (extent_scan_read) [!linux]: Always set scan->initial_scan_failed so caller knows not to report the failure.
2011-02-04tests: skip mv/i-3 on FreeBSD to avoid spurious failureJim Meyering
* tests/mv/i-3: Skip when uname -s reports FreeBSD.
2011-02-03sort: fix --debug key highlighting when key start after key endPádraig Brady
This case was overlooked in commit bdde34f9, 2010-08-05, "sort: tune and refactor --debug code, and fix minor underlining bug" * src/sort.c (debug_key): Don't adjust the key end when it's before the key start. * tests/misc/sort-debug-keys: Add a test case.
2011-02-02tests: correct part of fiemap-perfJim Meyering
* tests/cp/fiemap-perf: Correct erroneous added test. Since nonexistent names were used, the final test ended up being "test =", which would always "succeed".
2011-02-02build: update gnulib submodule to latestJim Meyering
2011-01-31cp: fix the buffer size used when writing zerosPádraig Brady
* src/copy.c (write_zeros): This bug caused 4 or 8 bytes to be written at a time which is very inefficient. One could trigger the issue with `cp --sparse=never sparse non-sparse` on a file system that supports fiemap.
2011-01-31cp: always initialize extent_copy's output parameterJim Meyering
* src/copy.c (extent_copy): Otherwise it would be used uninitialized.
2011-01-31tests: exercise a rarely-used corner of copy.cJim Meyering
* tests/cp/sparse-to-pipe: New test. * tests/Makefile.am (TESTS): Add it.
2011-01-31cp: fix copying a sparse file to a pipeJim Meyering
The recent FIEMAP-related changes made it so the unusual case of copying a sparse file to a non-regular destination (e.g., a pipe) would erroneously write one byte too many to that destination. That happened because extent_copy assumed that it could use lseek to obtain the number of bytes written to the output file descriptor. That was valid only for regular files. * src/copy.c (sparse_copy): Add a parameter, to be used by extent_copy, but not by reg_copy. Adjust callers. (extent_copy): Maintain new local, dest_pos, using new arg, n_read. Don't call lseek on dest_fd; use new var, dest_pos, instead. (copy_reg): Add unused arg.
2011-01-31tests: gfs2 also supports FIEMAPJim Meyering
* tests/init.cfg (fiemap_capable_): Add gfs2. Clarify comment.
2011-01-31maint: remove unused inclusion of "fiemap.h"Jim Meyering
* src/copy.c: Don't include "fiemap.h".
2011-01-31tests: factor fiemap-related predicate into init.cfgJim Meyering
* tests/init.cfg (fiemap_capable_): New function. * tests/cp/fiemap-perf: Use it. * tests/cp/sparse-fiemap: Likewise. * tests/cp/fiemap-2: Likewise.
2011-01-31maint: update copyright year lists in new filesJim Meyering
* src/extent-scan.h: Update copyright year list. * src/extent-scan.c: Likewise. * tests/cp/sparse-fiemap: Likewise.
2011-01-31tests: modernize sparse-fiemap testJim Meyering
* tests/cp/sparse-fiemap: Use print_ver_, not open-coded VERBOSE test.
2011-01-31tests: remove duplicate fiemap-perf testJim Meyering
* tests/cp/fiemap-perf: Copy block-comparing code from sparse-fiemap. * tests/cp/sparse-fiemap: The same test was here, alongside a much more involved test. Remove it, now that it is in its own file.
2011-01-30doc: NEWS: mention cp's improvementJim Meyering
* NEWS (New Features): cp now copies sparse files efficiently.
2011-01-30build: update gnulib submodule to latestJim Meyering
2011-01-30copy, tee: assume EINTR is always defined: remove #ifdefsJim Meyering
Don't use "#ifdef EINTR". dd.c has been doing that since 2004. * src/copy.c (sparse_copy): Remove #ifdef...#endif around EINTR use. * src/tee.c (tee_files): Remove #ifdef...#endif around EINTR use. If we need it, add something like this in system.h: /* When EINTR is not defined, define it to an improbable value so that each use does not have to be #ifdef'd. */ #ifndef EINTR # define EINTR 999988 #endif
2011-01-30tests: cp/fiemap: exercise previously-failing partsJim Meyering
* tests/cp/fiemap-2: New test. * tests/Makefile.am (TESTS): Add it.
2011-01-30copy: make extent_copy use sparse_copy, rather than its own codeJim Meyering
* src/copy.c (extent_copy): Before this change, extent_copy would fail to create holes, thus breaking --sparse=auto and --sparse=always. I.e., copying a large enough file of all zeros, cp --sparse=always should introduce a hole, but with extent_copy, it would not.
2011-01-30copy: remove obsolete commentJim Meyering
* src/copy.c (sparse_copy): Remove now-obsolete comment about how we used to work around lack of ftruncate. Combine nested if conditions into one.
2011-01-30copy: factor sparse-copying code into its own function, becauseJim Meyering
we're going to have to use it from within extent_copy, too. * src/copy.c (sparse_copy): New function, factored out of... (copy_reg): ...here. Remove now-unused locals.
2011-01-30fiemap copy: avoid leak-on-errorJim Meyering
* src/copy.c (extent_copy): Don't leak an extent_scan buffer on failed lseek, read, or write.
2011-01-30fiemap copy: avoid a performance hit due to very small bufferJim Meyering
* src/copy.c (extent_copy): Don't let what should have been a temporary reduction of buf_size (to handle a short ext_len) become permanent and thus impact the performance of all further iterations.
2011-01-30fiemap copy: simplify post-loop logic; improve commentsJim Meyering
* src/copy.c (extent_copy): Avoid duplication in post-loop extend-to-desired-length code.
2011-01-30fiemap copy: rename some localsJim Meyering
(extent_copy): Rename locals: s/*ext_logical/*ext_start/
2011-01-30tests: ensure that FIEMAP-enabled cp copies a sparse file efficientlyJim Meyering
* tests/cp/fiemap-perf: New file. * tests/Makefile.am (TESTS): Add it.
2011-01-30copy: don't allocate a separate buffer just for extent-based copyJim Meyering
* src/copy.c (copy_reg): Move use of extent_scan to just *after* we allocate the main copying buffer, so we can... (extent_scan): Take a new parameter, BUF, and use that rather than allocating a private buffer. Update caller.
2011-01-30copy: tweak variable name; improve a commentJim Meyering
* src/copy.c (copy_reg): Rename a variable to make more sense from caller's perspective: s/require_normal_copy/normal_copy_required/. This is an output-only variable, and the original name could make it look like an input (or i&o) variable.
2011-01-30copy: call extent_copy also when make_holes is false, ...Jim Meyering
so that we benefit from using extents also when reading a sparse input file with --sparse=never. * src/copy.c (copy_reg): Remove erroneous test of "make_holes" so that we call extent_copy also when make_holes is false. Otherwise, what's the point of that parameter?
2011-01-30copy: remove else-after-goto and adjust indentationJim Meyering
* src/copy.c (copy_reg): Remove useless else-after-goto.
2011-01-30extent-scan: adjust naming and formattingJim Meyering
* src/extent-scan.h [struct extent_scan]: Rename member: s/hit_last_extent/hit_final_extent/. "final" is clearer, since "last" can be interpreted as "preceding". Rename extent-scan functions to start with extent_scan_. * src/Makefile.am (copy_sources): Also distribute extent-scan.h. * src/extent-scan.c: Don't include error.h or quote.h. Neither is used. * src/copy.c: shorten a comment to fit in 80 columns * src/extent-scan.c, src/extent-scan.h: Correct formatting.
2011-01-30fiemap copy: don't let write failure go unreported; adjust style, etc.Jim Meyering
* src/copy.c (write_zeros): Add comments. (extent_copy): Move decls of "ok" and "i" down to scope where used. Adjust comments. Rename local: s/holes_len/hole_size/ Print a diagnostic upon failure to write zeros.
2011-01-30fiemap copy: add extent-scan.[ch], avoid a double-free and reorganizejeff.liu
Changes: ======== 1. fix write_zeros() per Jim's comments. 2. remove char const *fname from struct extent_scan. 3. change the signature of open_extent_scan() from "void open_extent_scan(struct extent_scan **scan)" to "void open_extent_scan(struct extent_scan *scan)" to avoid having to malloc the extent_scan variable; instead save it on the stack. 4. move close_extent_scan() from a function defined in extent-scan.c to extent-scan.h as a macro definition, but it does nothing for now, since initial extent scan defined at stack. 5. add a macro "free_extents_info()" defined at extent-scan.h to release the memory allocated to extent info which should be called combine with get_extents_info(), it just one line, so IMHO, define it as macro should be ok. * src/extent-scan.c: New file; functions to read "extents". * src/extent-scan.h: Header file of extent-scan.c. * src/Makefile.am: Reference it and link it to copy_source. * src/copy.c: Use the new functions and avoid double-free.
2011-01-30build: distribute new test script, filefrag-extent-compareJim Meyering
* tests/Makefile.am (EXTRA_DIST): Add filefrag-extent-compare.
2011-01-30build: distribute new file, fiemap.hJim Meyering
* src/Makefile.am (noinst_HEADERS): Add fiemap.h.
2011-01-30copy.c: add FIEMAP_FLAG_SYNC to fiemap ioctlJie Liu
* src/copy.c (fiemap_copy): Force kernel to sync the source file before mapping.
2011-01-30fiemap.h: include <stdint.h>, not <linux/types.h>Jim Meyering
* src/fiemap.h: Include stdint.h, not linux/types.h, now that this file uses only portable type names.
2011-01-30copy.c: ensure proper alignment of fiemap bufferPaul Eggert
* src/copy.c (fiemap_copy): Ensure that our fiemap buffer is large enough and well-aligned. Replace "0LL" with equivalent "0" as 3rd argument to lseek.
2011-01-30copy.c: adjust comments, tweak semanticsJim Meyering
* src/copy.c (fiemap_copy): Rename from fiemap_copy_ok. Add/improve comments. Remove local, "fail". (fiemap_copy): Do not require caller to set "normal_copy_required" before calling fiemap_copy. Report ioctl failure if it's the 2nd or subsequent call.
2011-01-30tests: relax the root-tests cross-checkJim Meyering
* cfg.mk (sc_root_tests): Allow spaces before "require_root_", now that tests/cp/sparse-fiemap has a conditional use.
2011-01-30tests: accommodate varying filefrag -v "flags" outputJim Meyering
* tests/cp/sparse-fiemap: Accommodate values other than "eof" in the "flags" column of filefrag -v output
2011-01-30tests: exercise more of the new FIEMAP copying codeJim Meyering
* tests/cp/sparse-fiemap: Ensure that a file with many extents (more than fit in copy.c's internal buffer) is copied properly. Don't require root access if current partition is btrfs or xfs. Use init.sh, not test-lib.sh. * tests/filefrag-extent-compare: New file.
2011-01-30tests: add a new test for FIEMAP-copyJie Liu
* tests/cp/sparse-fiemap: Add a new test for FIEMAP-copy against a loopbacked ext4 partition. * tests/Makefile.am (sparse-fiemap): Reference the new test.
2011-01-30cp: copy sparse files efficiently using the FIEMAP ioctlJie Liu
* src/fiemap.h: Add fiemap.h for fiemap ioctl(2) support. Copied from linux's include/linux/fiemap.h, with minor formatting changes. * src/copy.c (copy_reg): Now, when `cp' is invoked with --sparse=[WHEN], we will try to do FIEMAP-copy if the underlying file system supports it, and fall back to a normal copy if it fails.
2011-01-29doc: add alternatives for field processing not supported by cutPádraig Brady
* doc/coreutils.texi (cut invocation): Remove the tr -s '[:blank:]' example, as it doesn't handle leading and trailing blanks. Add `awk` examples for common field processing operations often asked about. Also document a `join` hack, to achieve the same thing. Note the join options are ordered so as to be compatible with other systems.
2011-01-29join: don't report disorder against an empty filePádraig Brady
This allows one to use join as a field extractor like: join -a1 -o 1.3,1.1 - /dev/null * src/join.c (join): Don't flag unpairable lines when one of the files is empty. * tests/misc/join: Add a new test for empty input, and adjust a previous test that was only checking against empty input. * doc/coreutils.texi (join invocation): Document the change. * NEWS: Likewise.
2011-01-29join: ensure --header skips the order check with empty filesPádraig Brady
* src/join.c: Skip the header even if one of the files is empty. * tests/misc/join: Add a test case. * NEWS: Mention the fix
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