[PATCH v3 15/20] insert: fsync parent directory after mkdir

[Peter Wang]

After creating a subdirectory, fsync on its parent directory for
durability.
---
 notmuch-insert.c | 14 +-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/notmuch-insert.c b/notmuch-insert.c
index c4d5e75..8012eb4 100644
--- a/notmuch-insert.c
+++ b/notmuch-insert.c
@@ -82,9 +82,21 @@ sync_dir (const char *dir)
 static notmuch_bool_t
 make_directory (char *path, int mode)
 {
+notmuch_bool_t ret;
+char *slash;
+
 if (mkdir (path, mode) != 0)
return (errno == EEXIST);
-return TRUE;
+
+/* Sync the parent directory for durability. */
+ret = TRUE;
+slash = strrchr (path, '/');
+if (slash) {
+   *slash = '\0';
+   ret = sync_dir (path);
+   *slash = '/';
+}
+return ret;
 }

 /* Make the given directory including its parent directories as necessary.
-- 
1.7.12.1

[PATCH v3 15/20] insert: fsync parent directory after mkdir

[Peter Wang]

After creating a subdirectory, fsync on its parent directory for
durability.
---
 notmuch-insert.c | 14 +-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/notmuch-insert.c b/notmuch-insert.c
index c4d5e75..8012eb4 100644
--- a/notmuch-insert.c
+++ b/notmuch-insert.c
@@ -82,9 +82,21 @@ sync_dir (const char *dir)
 static notmuch_bool_t
 make_directory (char *path, int mode)
 {
+notmuch_bool_t ret;
+char *slash;
+
 if (mkdir (path, mode) != 0)
return (errno == EEXIST);
-return TRUE;
+
+/* Sync the parent directory for durability. */
+ret = TRUE;
+slash = strrchr (path, '/');
+if (slash) {
+   *slash = '\0';
+   ret = sync_dir (path);
+   *slash = '/';
+}
+return ret;
 }
 
 /* Make the given directory including its parent directories as necessary.
-- 
1.7.12.1

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