Support device/file images if O_DIRECT cannot be used (1.5.1).

[platform/upstream/cryptsetup.git] / lib / luks1 / keymanage.c

diff --git a/lib/luks1/keymanage.c b/lib/luks1/keymanage.c
index 164ba4a..d82c471 100644 (file)
--- a/lib/luks1/keymanage.c
+++ b/lib/luks1/keymanage.c
@@ -170,7 +170,7 @@ int LUKS_hdr_backup(
        log_dbg("Storing backup of header (%u bytes) and keyslot area (%u bytes).",
                sizeof(*hdr), buffer_size - LUKS_ALIGN_KEYSLOTS);
 
-       devfd = open(device_path(device), O_RDONLY | O_DIRECT | O_SYNC);
+       devfd = device_open(device, O_RDONLY);
        if(devfd == -1) {
                log_err(ctx, _("Device %s is not a valid LUKS device.\n"), device_path(device));
                r = -EINVAL;
@@ -284,7 +284,7 @@ int LUKS_hdr_restore(
        log_dbg("Storing backup of header (%u bytes) and keyslot area (%u bytes) to device %s.",
                sizeof(*hdr), buffer_size - LUKS_ALIGN_KEYSLOTS, device_path(device));
 
-       devfd = open(device_path(device), O_RDWR | O_DIRECT | O_SYNC);
+       devfd = device_open(device, O_RDWR);
        if (devfd == -1) {
                if (errno == EACCES)
                        log_err(ctx, _("Cannot write to device %s, permission denied.\n"),
@@ -517,7 +517,7 @@ int LUKS_read_phdr(struct luks_phdr *hdr,
        log_dbg("Reading LUKS header of size %d from device %s",
                hdr_size, device_path(device));
 
-       devfd = open(device_path(device), O_RDONLY | O_DIRECT | O_SYNC);
+       devfd = device_open(device, O_RDONLY);
        if (devfd == -1) {
                log_err(ctx, _("Cannot open device %s.\n"), device_path(device));
                return -EINVAL;
@@ -553,7 +553,7 @@ int LUKS_write_phdr(struct luks_phdr *hdr,
        if (r)
                return r;
 
-       devfd = open(device_path(device), O_RDWR | O_DIRECT | O_SYNC);
+       devfd = device_open(device, O_RDWR);
        if(-1 == devfd) {
                if (errno == EACCES)
                        log_err(ctx, _("Cannot write to device %s, permission denied.\n"),