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entry: move conv_attrs lookup up to checkout_entry()

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In a following patch, checkout_entry() will use conv_attrs to decide
whether an entry should be enqueued for parallel checkout or not. But
the attributes lookup only happens lower in this call stack. To avoid
the unnecessary work of loading the attributes twice, let's move it up
to checkout_entry(), and pass the loaded struct down to write_entry().

Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Matheus Tavares 2021-03-23 11:19:35 -03:00 committed by Junio C Hamano
parent 584a0d13f2
commit 30419e7e1d
1 changed files with 27 additions and 11 deletions
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38
entry.c
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@ -263,8 +263,9 @@ void update_ce_after_write(const struct checkout *state, struct cache_entry *ce,
}
}
static int write_entry(struct cache_entry *ce,
char *path, const struct checkout *state, int to_tempfile)
/* Note: ca is used (and required) iff the entry refers to a regular file. */
static int write_entry(struct cache_entry *ce, char *path, struct conv_attrs *ca,
const struct checkout *state, int to_tempfile)
{
unsigned int ce_mode_s_ifmt = ce->ce_mode & S_IFMT;
struct delayed_checkout *dco = state->delayed_checkout;
@ -281,8 +282,7 @@ static int write_entry(struct cache_entry *ce,
clone_checkout_metadata(&meta, &state->meta, &ce->oid);
if (ce_mode_s_ifmt == S_IFREG) {
struct stream_filter *filter = get_stream_filter(state->istate, ce->name,
&ce->oid);
struct stream_filter *filter = get_stream_filter_ca(ca, &ce->oid);
if (filter &&
!streaming_write_entry(ce, path, filter,
state, to_tempfile,
@ -329,14 +329,17 @@ static int write_entry(struct cache_entry *ce,
* Convert from git internal format to working tree format
*/
if (dco && dco->state != CE_NO_DELAY) {
ret = async_convert_to_working_tree(state->istate, ce->name, new_blob,
size, &buf, &meta, dco);
ret = async_convert_to_working_tree_ca(ca, ce->name,
new_blob, size,
&buf, &meta, dco);
if (ret && string_list_has_string(&dco->paths, ce->name)) {
free(new_blob);
goto delayed;
}
} else
ret = convert_to_working_tree(state->istate, ce->name, new_blob, size, &buf, &meta);
} else {
ret = convert_to_working_tree_ca(ca, ce->name, new_blob,
size, &buf, &meta);
}
if (ret) {
free(new_blob);
@ -442,6 +445,7 @@ int checkout_entry(struct cache_entry *ce, const struct checkout *state,
{
static struct strbuf path = STRBUF_INIT;
struct stat st;
struct conv_attrs ca_buf, *ca = NULL;
if (ce->ce_flags & CE_WT_REMOVE) {
if (topath)
@ -454,8 +458,13 @@ int checkout_entry(struct cache_entry *ce, const struct checkout *state,
return 0;
}
if (topath)
return write_entry(ce, topath, state, 1);
if (topath) {
if (S_ISREG(ce->ce_mode)) {
convert_attrs(state->istate, &ca_buf, ce->name);
ca = &ca_buf;
}
return write_entry(ce, topath, ca, state, 1);
}
strbuf_reset(&path);
strbuf_add(&path, state->base_dir, state->base_dir_len);
@ -517,9 +526,16 @@ int checkout_entry(struct cache_entry *ce, const struct checkout *state,
return 0;
create_directories(path.buf, path.len, state);
if (nr_checkouts)
(*nr_checkouts)++;
return write_entry(ce, path.buf, state, 0);
if (S_ISREG(ce->ce_mode)) {
convert_attrs(state->istate, &ca_buf, ce->name);
ca = &ca_buf;
}
return write_entry(ce, path.buf, ca, state, 0);
}
void unlink_entry(const struct cache_entry *ce)