repo: Hold an fd "repo_dir_fd" open for the toplevel too

We could just make everything relative to this, but the objects/ and
tmp/ are accessed very often, so I think it's worth holding individual
fds.

This fd can cover everything else: refs, deltas, etc.
This commit is contained in:
Colin Walters 2015-02-02 14:56:39 -05:00
parent e739677ea1
commit 3b8ed12ab2
2 changed files with 14 additions and 3 deletions

View File

@ -37,6 +37,7 @@ struct OstreeRepo {
char *boot_id;
GFile *repodir;
int repo_dir_fd;
GFile *tmp_dir;
int tmp_dir_fd;
GFile *local_heads_dir;

View File

@ -328,6 +328,8 @@ ostree_repo_finalize (GObject *object)
g_free (self->boot_id);
g_clear_object (&self->repodir);
if (self->repo_dir_fd != -1)
(void) close (self->repo_dir_fd);
g_clear_object (&self->tmp_dir);
if (self->tmp_dir_fd)
(void) close (self->tmp_dir_fd);
@ -453,6 +455,7 @@ ostree_repo_init (OstreeRepo *self)
(GDestroyNotify) ost_remote_unref);
g_mutex_init (&self->remotes_lock);
self->repo_dir_fd = -1;
self->objects_dir_fd = -1;
self->uncompressed_objects_dir_fd = -1;
}
@ -1288,13 +1291,20 @@ ostree_repo_open (OstreeRepo *self,
goto out;
g_strdelimit (self->boot_id, "\n", '\0');
if (!gs_file_open_dir_fd (self->objects_dir, &self->objects_dir_fd, cancellable, error))
if (!gs_file_open_dir_fd (self->repodir, &self->repo_dir_fd, cancellable, error))
{
g_prefix_error (error, "Reading objects/ directory: ");
g_prefix_error (error, "%s: ", gs_file_get_path_cached (self->repodir));
goto out;
}
self->writable = faccessat (AT_FDCWD, gs_file_get_path_cached (self->objects_dir), W_OK, 0) == 0;
if (!gs_file_open_dir_fd_at (self->repo_dir_fd, "objects",
&self->objects_dir_fd, cancellable, error))
{
g_prefix_error (error, "Opening objects/ directory: ");
goto out;
}
self->writable = faccessat (self->objects_dir_fd, ".", W_OK, 0) == 0;
if (fstat (self->objects_dir_fd, &stbuf) != 0)
{