From 4f3d6d026176a48991c4e5ff95c8db583af38148 Mon Sep 17 00:00:00 2001 From: Nipunn Koorapati Date: Wed, 17 Mar 2021 21:22:21 +0000 Subject: fsmonitor: skip lstat deletion check during git diff-index Teach git to honor fsmonitor rather than issuing an lstat when checking for dirty local deletes. Eliminates O(files) lstats during `git diff HEAD` Signed-off-by: Nipunn Koorapati Signed-off-by: Junio C Hamano --- diff-lib.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'diff-lib.c') diff --git a/diff-lib.c b/diff-lib.c index b73cc1859a..3fb538ad18 100644 --- a/diff-lib.c +++ b/diff-lib.c @@ -30,7 +30,7 @@ */ static int check_removed(const struct cache_entry *ce, struct stat *st) { - if (lstat(ce->name, st) < 0) { + if (!(ce->ce_flags & CE_FSMONITOR_VALID) && lstat(ce->name, st) < 0) { if (!is_missing_file_error(errno)) return -1; return 1; @@ -574,6 +574,7 @@ int run_diff_index(struct rev_info *revs, unsigned int option) struct object_id oid; const char *name; char merge_base_hex[GIT_MAX_HEXSZ + 1]; + struct index_state *istate = revs->diffopt.repo->index; if (revs->pending.nr != 1) BUG("run_diff_index must be passed exactly one tree"); @@ -581,6 +582,8 @@ int run_diff_index(struct rev_info *revs, unsigned int option) trace_performance_enter(); ent = revs->pending.objects; + refresh_fsmonitor(istate); + if (merge_base) { diff_get_merge_base(revs, &oid); name = oid_to_hex_r(merge_base_hex, &oid); -- cgit v1.2.3