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authorJim Meyering <meyering@redhat.com>2009-07-12 18:15:23 +0200
committerJim Meyering <meyering@redhat.com>2009-09-11 14:08:51 +0200
commit4f73ecaf7def2a7bdc381eee2036f6539df01e7d (patch)
treed1affca9ff5c75e467b4c2b85ded6f329748d49d /NEWS
parent880a6e7723a9e222318ce065ee15968a1cbe1830 (diff)
downloadcoreutils-4f73ecaf7def2a7bdc381eee2036f6539df01e7d.tar.xz
rm: rewrite to use fts
* remove.c: Don't include "unlinkdir.h"; no longer used. Do not include <setjmp.h> or "cycle-check.h". Likewise. Include "xfts.h". (dir_name, dir_len): Remove definitions. (CONSECUTIVE_READDIR_UNLINK_THRESHOLD): Likewise. (INODE_SORT_DIR_ENTRIES_THRESHOLD, NEED_REWIND, D_TYPE): Likewise. (struct dirstack_state, Dirstack_state): Likewise. (g_buf, g_n_allocated): Remove declarations. (hash_freer, hash_compare_strings, rm_malloc): Remove functions. (rm_free, push_dir, top_dir, pop_dir, right_justify): Likewise. (full_filename0, xfull_filename, full_filename_): Likewise. (AD_stack_height, AD_stack_top, AD_stack_pop, AD_stack_clear): Likewise. (obstack_init_minimal, ds_init, ds_clear, ds_free): Likewise. (AD_pop_and_chdir, AD_ensure_initialized, AD_mark_helper): Likewise. (AD_mark_as_unremovable, AD_mark_current_as_unremovable): Likewise. (AD_push_initial, AD_push, AD_push, AD_is_removable): Likewise. (write_protected_non_symlink): Change 3rd parameter from dirstack_state "ds" to full_name. (prompt): Adjust parameters. Now, state comes from FTS/FTSENT pair. Those replace fd_cwd and "ds". Remove "filename". Remove pdirent_type in favor of new "is_dir" parameter. Rename is_empty to is_empty_p. (DO_RMDIR, DO_UNLINK): Remove definitions. (remove_entry, fd_to_subdirp, compare_ino): Remove functions. (dirent_count, dirent_inode_sort_may_be_useful): Likewise. (preprocess_dir): Likewise. (fts_skip_tree, mark_ancestor_dirs, excise, rm_fts): New functions. (remove_cwd_entries, remove_dir, rm_1): Remove functions. (rm): Rewrite as a simple loop calling fts_read and dispatching each entry via rm_fts. * src/rm.c (main): Adapt to new signature of rm(). * bootstrap.conf (gnulib_modules): Remove unlinkdir, no longer used. * src/Makefile.am (sc_tight_scope): Also recognize an extern "enum" declaration. * tests/rm/empty-name: Adjust expected output to match new diagnostic. * NEWS (Improvements): Mention it.
Diffstat (limited to 'NEWS')
-rw-r--r--NEWS6
1 files changed, 6 insertions, 0 deletions
diff --git a/NEWS b/NEWS
index 0b8ef9ee0..1825beccb 100644
--- a/NEWS
+++ b/NEWS
@@ -2,6 +2,12 @@ GNU coreutils NEWS -*- outline -*-
* Noteworthy changes in release ?.? (????-??-??) [?]
+** Improvements
+
+ rm: rewrite to use gnulib's fts
+ This makes rm -rf significantly faster (400-500%) in some pathological
+ cases, and slightly slower (20%) in at least one pathological case.
+
* Noteworthy changes in release 7.6 (2009-09-11) [stable]