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authorShawn O. Pearce <spearce@spearce.org>2010-11-01 15:54:20 -0700
committerJunio C Hamano <gitster@pobox.com>2010-11-03 09:25:58 -0700
commit4865d2b6622bd95fc07fea06916eeddf3e13e29b (patch)
tree51a27f10489016256de7830ad4ad76884b4398b2 /sha1_file.c
parent3ba7a065527a27f45659398e882feaa1165cbb4c (diff)
downloadgit-4865d2b6622bd95fc07fea06916eeddf3e13e29b.tar.gz
Use git_open_noatime when accessing pack data
This utility function avoids an unnecessary update of the access time for a loose object file. Just as the atime isn't useful on a loose object, its not useful on the pack or the corresonding idx file. Signed-off-by: Shawn O. Pearce <spearce@spearce.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'sha1_file.c')
-rw-r--r--sha1_file.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/sha1_file.c b/sha1_file.c
index 25f6965294..e537782300 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -35,6 +35,8 @@ static size_t sz_fmt(size_t s) { return s; }
const unsigned char null_sha1[20];
+static int git_open_noatime(const char *name);
+
int safe_create_leading_directories(char *path)
{
char *pos = path + offset_1st_component(path);
@@ -298,7 +300,7 @@ static void read_info_alternates(const char * relative_base, int depth)
int fd;
sprintf(path, "%s/%s", relative_base, alt_file_name);
- fd = open(path, O_RDONLY);
+ fd = git_open_noatime(path);
if (fd < 0)
return;
if (fstat(fd, &st) || (st.st_size == 0)) {
@@ -411,7 +413,7 @@ static int check_packed_git_idx(const char *path, struct packed_git *p)
struct pack_idx_header *hdr;
size_t idx_size;
uint32_t version, nr, i, *index;
- int fd = open(path, O_RDONLY);
+ int fd = git_open_noatime(path);
struct stat st;
if (fd < 0)
@@ -655,9 +657,9 @@ static int open_packed_git_1(struct packed_git *p)
if (!p->index_data && open_pack_index(p))
return error("packfile %s index unavailable", p->pack_name);
- p->pack_fd = open(p->pack_name, O_RDONLY);
+ p->pack_fd = git_open_noatime(p->pack_name);
while (p->pack_fd < 0 && errno == EMFILE && unuse_one_window(p, -1))
- p->pack_fd = open(p->pack_name, O_RDONLY);
+ p->pack_fd = git_open_noatime(p->pack_name);
if (p->pack_fd < 0 || fstat(p->pack_fd, &st))
return -1;