diff options
author | V3n3RiX <venerix@redcorelinux.org> | 2017-10-09 18:53:29 +0100 |
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committer | V3n3RiX <venerix@redcorelinux.org> | 2017-10-09 18:53:29 +0100 |
commit | 4f2d7949f03e1c198bc888f2d05f421d35c57e21 (patch) | |
tree | ba5f07bf3f9d22d82e54a462313f5d244036c768 /sys-fs/copyfs/files/copyfs-1.0-unlink.patch |
reinit the tree, so we can have metadata
Diffstat (limited to 'sys-fs/copyfs/files/copyfs-1.0-unlink.patch')
-rw-r--r-- | sys-fs/copyfs/files/copyfs-1.0-unlink.patch | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/sys-fs/copyfs/files/copyfs-1.0-unlink.patch b/sys-fs/copyfs/files/copyfs-1.0-unlink.patch new file mode 100644 index 000000000000..f4ee28fae148 --- /dev/null +++ b/sys-fs/copyfs/files/copyfs-1.0-unlink.patch @@ -0,0 +1,158 @@ +diff -u --recursive copyfs-1.0-orig/cache.c copyfs-1.0/cache.c +--- copyfs-1.0-orig/cache.c 2004-12-10 13:34:08.000000000 +0000 ++++ copyfs-1.0/cache.c 2004-12-18 20:30:17.945445677 +0000 +@@ -94,6 +94,61 @@ + } + + /* ++ * Remove metadata from the cache ++ */ ++void cache_remove_metadata(metadata_t *metadata) ++{ ++ version_t * version; ++ ++ int atHead = 1; ++ int atTail = 1; ++ ++ if (NULL == metadata) ++ return ; ++ ++ /* Disconnect it from the list */ ++ if (metadata->md_previous) ++ { ++ metadata->md_previous->md_next = metadata->md_next; ++ atHead = 0; ++ } ++ ++ if (metadata->md_next) ++ { ++ metadata->md_next->md_previous = metadata->md_previous; ++ atTail = 0; ++ } ++ ++ if (atHead) ++ { ++ metadata->md_bucket->b_contents = metadata->md_next; ++ if (metadata->md_next != NULL) ++ metadata->md_next->md_previous = NULL; ++ } ++ ++ metadata->md_bucket->b_count--; ++ if (metadata->md_bucket->b_count == 0) ++ metadata->md_bucket->b_contents = NULL; ++ ++ version = metadata->md_versions; ++ ++ while (NULL != version) ++ { ++ metadata->md_versions = version->v_next; ++ free(version); ++ version = metadata->md_versions; ++ } ++ ++ if (metadata->md_vfile != NULL) ++ free (metadata->md_vfile); ++ ++ if (metadata->md_vpath != NULL) ++ free (metadata->md_vpath); ++ ++ free(metadata); ++} ++ ++/* + * Clean the older items out of the cache to free space. The goal is to + * half the number of items, so that we don't get called constantly. + */ +@@ -122,6 +177,7 @@ + bucket = &cache_hash_table[CACHE_HASH(metadata->md_vfile)]; + metadata->md_previous = NULL; + metadata->md_next = bucket->b_contents; ++ metadata->md_bucket = bucket; + if (bucket->b_contents) + bucket->b_contents->md_previous = metadata; + bucket->b_contents = metadata; +diff -u --recursive copyfs-1.0-orig/cache.h copyfs-1.0/cache.h +--- copyfs-1.0-orig/cache.h 2004-12-10 13:34:08.000000000 +0000 ++++ copyfs-1.0/cache.h 2004-12-18 20:04:32.072307652 +0000 +@@ -11,6 +11,7 @@ + void cache_initialize(void); + void cache_finalize(void); + metadata_t *cache_get_metadata(const char *vpath); ++void cache_remove_metadata(metadata_t *metadata); + void cache_add_metadata(metadata_t *metadata); + int cache_find_maximal_match(char **array, metadata_t **result); + +diff -u --recursive copyfs-1.0-orig/interface.c copyfs-1.0/interface.c +--- copyfs-1.0-orig/interface.c 2004-12-18 20:04:21.560474299 +0000 ++++ copyfs-1.0/interface.c 2004-12-18 20:17:22.367357210 +0000 +@@ -137,6 +137,7 @@ + file = helper_build_composite("-S", "/", entry->d_name + + strlen(METADATA_PREFIX)); + metadata = rcs_translate_to_metadata(file, rcs_version_path); ++ + free(file); + if (metadata && !metadata->md_deleted) + { +@@ -176,18 +177,42 @@ + metadata = rcs_translate_to_metadata(path, rcs_version_path); + if (!metadata || metadata->md_deleted) + return -ENOENT; +- version = rcs_find_version(metadata, LATEST, LATEST); +- if (lstat(version->v_rfile, &st_rfile) == -1) +- return -errno; +- if (S_ISDIR(st_rfile.st_mode)) +- return -EISDIR; ++ ++ /* remove all of the versions that we know about */ ++ ++ version = metadata->md_versions; ++ ++ while (NULL != version) ++ { ++ /* if we can't stat the file, we assume it's already toast */ ++ ++ if (lstat(version->v_rfile, &st_rfile) == 0) ++ { ++ if (S_ISDIR(st_rfile.st_mode)) ++ { ++ return -EISDIR; ++ } ++ ++ if (unlink(version->v_rfile) == -1) ++ return -errno; ++ } ++ ++ /* move on to the next version */ ++ metadata->md_versions = version->v_next; ++ free(version); ++ ++ version = metadata->md_versions; ++ } ++ ++ /* if we get to here, we've released all the versions */ + metadata->md_deleted = 1; + metafile = create_meta_name(metadata->md_vfile, "metadata"); +- if (write_metadata_file(metafile, metadata) == -1) { +- free(metafile); ++ if (unlink(metafile) == -1) + return -errno; +- } + free(metafile); ++ ++ cache_remove_metadata(metadata); ++ + return 0; + } + +diff -u --recursive copyfs-1.0-orig/structs.h copyfs-1.0/structs.h +--- copyfs-1.0-orig/structs.h 2004-12-10 13:34:08.000000000 +0000 ++++ copyfs-1.0/structs.h 2004-12-18 20:04:32.073307446 +0000 +@@ -38,6 +38,8 @@ + + metadata_t *md_next; /* Next file in bucket */ + metadata_t *md_previous; /* Previous " */ ++ ++ bucket_t *md_bucket; /* Our container */ + }; + + struct bucket_t |