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Ben Peart 883e248b8a fsmonitor: teach git to optionally utilize a file system monitor to speed up detecting new or changed files. 
When the index is read from disk, the fsmonitor index extension is used
to flag the last known potentially dirty index entries. The registered
core.fsmonitor command is called with the time the index was last
updated and returns the list of files changed since that time. This list
is used to flag any additional dirty cache entries and untracked cache
directories.

We can then use this valid state to speed up preload_index(),
ie_match_stat(), and refresh_cache_ent() as they do not need to lstat()
files to detect potential changes for those entries marked
CE_FSMONITOR_VALID.

In addition, if the untracked cache is turned on valid_cached_dir() can
skip checking directories for new or changed files as fsmonitor will
invalidate the cache only for those directories that have been
identified as having potential changes.

To keep the CE_FSMONITOR_VALID state accurate during git operations;
when git updates a cache entry to match the current state on disk,
it will now set the CE_FSMONITOR_VALID bit.

Inversely, anytime git changes a cache entry, the CE_FSMONITOR_VALID bit
is cleared and the corresponding untracked cache directory is marked
invalid.

Signed-off-by: Ben Peart <benpeart@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-10-01 17:23:01 +09:00
..
add.c Merge branch 'bw/submodule-config-cleanup' 2017-08-26 22:55:08 -07:00
am.c pack: move pack-closing functions 2017-08-23 15:12:06 -07:00
annotate.c
apply.c Convert read_mmblob to take struct object_id. 2016-09-07 12:59:42 -07:00
archive.c archive: read local configuration 2016-11-22 13:55:20 -08:00
bisect--helper.c
blame.c Merge branch 'po/read-graft-line' 2017-09-06 13:11:25 +09:00
branch.c builtin/branch: stop supporting the "--set-upstream" option 2017-08-17 13:33:20 -07:00
bundle.c bundle: use prefix_filename with bundle path 2017-03-21 11:18:41 -07:00
cat-file.c pack: move for_each_packed_object() 2017-08-23 15:12:07 -07:00
check-attr.c config: don't include config.h by default 2017-06-15 12:56:22 -07:00
check-ignore.c Merge branch 'bw/config-h' 2017-06-24 14:28:41 -07:00
check-mailmap.c config: don't include config.h by default 2017-06-15 12:56:22 -07:00
check-ref-format.c use xmallocz to avoid size arithmetic 2016-02-22 14:51:09 -08:00
checkout-index.c config: don't include config.h by default 2017-06-15 12:56:22 -07:00
checkout.c Merge branch 'bw/submodule-config-cleanup' 2017-08-26 22:55:08 -07:00
clean.c Merge branch 'jk/c99' 2017-08-11 13:26:58 -07:00
clone.c pack: move pack-closing functions 2017-08-23 15:12:06 -07:00
column.c config: don't include config.h by default 2017-06-15 12:56:22 -07:00
commit-tree.c sha1_name: convert get_sha1* to get_oid* 2017-07-17 13:54:51 -07:00
commit.c Merge branch 'bw/submodule-config-cleanup' 2017-08-26 22:55:08 -07:00
config.c Merge branch 'ab/free-and-null' 2017-06-24 14:28:41 -07:00
count-objects.c pack: move open_pack_index(), parse_pack_index() 2017-08-23 15:12:06 -07:00
credential.c credential: handle invalid arguments earlier 2017-05-30 14:45:03 +09:00
describe.c Merge branch 'sb/hashmap-cleanup' 2017-08-11 13:27:01 -07:00
diff-files.c submodule: remove gitmodules_config 2017-08-03 13:11:02 -07:00
diff-index.c submodule: remove gitmodules_config 2017-08-03 13:11:02 -07:00
diff-tree.c submodule: remove gitmodules_config 2017-08-03 13:11:02 -07:00
diff.c submodule: remove gitmodules_config 2017-08-03 13:11:02 -07:00
difftool.c sha1_file: convert index_fd to struct object_id 2017-08-20 21:52:08 -07:00
fast-export.c hashmap.h: compare function has access to a data field 2017-06-30 12:49:28 -07:00
fetch-pack.c Rename sha1_array to oid_array 2017-03-31 08:33:56 -07:00
fetch.c Merge branch 'jt/packmigrate' 2017-08-26 22:55:09 -07:00
fmt-merge-msg.c Merge branch 'dc/fmt-merge-msg-microcleanup' 2017-08-11 13:27:05 -07:00
for-each-ref.c for-each-ref: load config earlier 2017-07-13 12:42:51 -07:00
fsck.c Merge branch 'jt/packmigrate' 2017-08-26 22:55:09 -07:00
gc.c pack: move {,re}prepare_packed_git and approximate_object_count 2017-08-23 15:12:07 -07:00
get-tar-commit-id.c usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
grep.c Merge branch 'bw/submodule-config-cleanup' 2017-08-26 22:55:08 -07:00
hash-object.c sha1_file: convert hash_sha1_file_literally to struct object_id 2017-08-20 21:52:53 -07:00
help.c config: don't include config.h by default 2017-06-15 12:56:22 -07:00
index-pack.c pack: move pack name-related functions 2017-08-23 15:12:06 -07:00
init-db.c config: don't include config.h by default 2017-06-15 12:56:22 -07:00
interpret-trailers.c Merge branch 'jk/trailers-parse' 2017-08-26 22:55:04 -07:00
log.c Merge branch 'jc/simplify-progress' 2017-08-24 10:20:02 -07:00
ls-files.c Merge branch 'bw/submodule-config-cleanup' 2017-08-26 22:55:08 -07:00
ls-remote.c wildmatch: remove unused wildopts parameter 2017-06-23 18:27:07 -07:00
ls-tree.c Merge branch 'bw/config-h' 2017-06-24 14:28:41 -07:00
mailinfo.c prefix_filename: return newly allocated string 2017-03-21 11:18:41 -07:00
mailsplit.c mailinfo & mailsplit: check for EOF while parsing 2017-05-08 12:18:19 +09:00
merge-base.c Merge branch 'bw/config-h' 2017-06-24 14:28:41 -07:00
merge-file.c config: don't include config.h by default 2017-06-15 12:56:22 -07:00
merge-index.c Convert GIT_SHA1_HEXSZ used for allocation to GIT_MAX_HEXSZ 2017-03-26 22:08:21 -07:00
merge-ours.c
merge-recursive.c i18n: merge-recursive: mark verbose message for translation 2016-09-15 13:17:32 -07:00
merge-tree.c tree-walk: convert fill_tree_descriptor() to object_id 2017-08-14 12:38:54 -07:00
merge.c Merge branch 'ma/up-to-date' 2017-09-10 17:08:22 +09:00
mktag.c usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
mktree.c mktree: plug memory leaks reported by Coverity 2017-05-08 12:18:19 +09:00
mv.c submodule: remove gitmodules_config 2017-08-03 13:11:02 -07:00
name-rev.c Merge branch 'ab/wildmatch' 2017-07-10 13:42:51 -07:00
notes.c Merge branch 'bw/object-id' 2017-08-11 13:26:56 -07:00
pack-objects.c Merge branch 'ma/ts-cleanups' 2017-09-10 17:08:22 +09:00
pack-redundant.c pack: move pack name-related functions 2017-08-23 15:12:06 -07:00
pack-refs.c refs: delete pack_refs() in favor of refs_pack_refs() 2017-04-14 03:53:25 -07:00
patch-id.c config: don't include config.h by default 2017-06-15 12:56:22 -07:00
prune-packed.c Merge branch 'jt/packmigrate' 2017-08-26 22:55:09 -07:00
prune.c progress: simplify "delayed" progress API 2017-08-19 14:01:34 -07:00
pull.c Merge branch 'ma/parse-maybe-bool' 2017-08-22 10:29:03 -07:00
push.c Merge branch 'ma/parse-maybe-bool' 2017-08-22 10:29:03 -07:00
read-tree.c submodule: remove gitmodules_config 2017-08-03 13:11:02 -07:00
rebase--helper.c config: don't include config.h by default 2017-06-15 12:56:22 -07:00
receive-pack.c pack: move pack-closing functions 2017-08-23 15:12:06 -07:00
reflog.c Merge branch 'ab/wildmatch' 2017-07-10 13:42:51 -07:00
remote-ext.c remote-{ext,fd}: print usage message on invalid arguments 2017-05-30 14:45:04 +09:00
remote-fd.c remote-{ext,fd}: print usage message on invalid arguments 2017-05-30 14:45:04 +09:00
remote.c Merge branch 'ma/parse-maybe-bool' 2017-08-22 10:29:03 -07:00
repack.c Merge branch 'bw/config-h' 2017-06-24 14:28:41 -07:00
replace.c sha1_file: convert index_fd to struct object_id 2017-08-20 21:52:08 -07:00
rerere.c config: don't include config.h by default 2017-06-15 12:56:22 -07:00
reset.c Merge branch 'bw/submodule-config-cleanup' 2017-08-26 22:55:08 -07:00
rev-list.c Merge branch 'jc/simplify-progress' 2017-08-24 10:20:02 -07:00
rev-parse.c sha1_name: convert GET_SHA1* flags to GET_OID* 2017-07-17 13:54:51 -07:00
revert.c cherry-pick/revert: reject --rerere-autoupdate when continuing 2017-08-02 15:16:09 -07:00
rm.c submodule: remove gitmodules_config 2017-08-03 13:11:02 -07:00
send-pack.c Merge branch 'ma/parse-maybe-bool' 2017-08-22 10:29:03 -07:00
shortlog.c config: don't include config.h by default 2017-06-15 12:56:22 -07:00
show-branch.c Merge branch 'jk/ref-filter-colors' 2017-08-11 13:26:58 -07:00
show-ref.c show-ref: remove a stale comment 2017-01-23 18:51:56 -08:00
stripspace.c config: don't include config.h by default 2017-06-15 12:56:22 -07:00
submodule--helper.c Merge branch 'bw/submodule-config-cleanup' 2017-08-26 22:55:08 -07:00
symbolic-ref.c config: don't include config.h by default 2017-06-15 12:56:22 -07:00
tag.c Merge branch 'ma/pager-per-subcommand-action' 2017-08-11 13:27:07 -07:00
unpack-file.c builtin/unpack-file: convert to struct object_id 2017-07-17 13:54:38 -07:00
unpack-objects.c Merge branch 'ab/free-and-null' 2017-06-24 14:28:41 -07:00
update-index.c fsmonitor: teach git to optionally utilize a file system monitor to speed up detecting new or changed files. 2017-10-01 17:23:01 +09:00
update-ref.c builtin/update_ref: convert to struct object_id 2017-07-17 13:54:38 -07:00
update-server-info.c config: don't include config.h by default 2017-06-15 12:56:22 -07:00
upload-archive.c upload-archive: handle "-h" option early 2017-05-30 14:45:04 +09:00
var.c config: don't include config.h by default 2017-06-15 12:56:22 -07:00
verify-commit.c Merge branch 'bw/config-h' 2017-06-24 14:28:41 -07:00
verify-pack.c config: don't include config.h by default 2017-06-15 12:56:22 -07:00
verify-tag.c Merge branch 'jk/ref-filter-colors' 2017-08-11 13:26:58 -07:00
worktree.c Merge branch 'ab/free-and-null' 2017-06-24 14:28:41 -07:00
write-tree.c config: don't include config.h by default 2017-06-15 12:56:22 -07:00