am c3e69903: am 97919656: Add support for the utime(2) family of system calls to the sdcard fuse filesystem.
* commit 'c3e69903ed5f9e406fe51093fc41917512aa4036':
Add support for the utime(2) family of system calls to the sdcard fuse filesystem.
diff --git a/sdcard/sdcard.c b/sdcard/sdcard.c
index 0b8f656..7112ebf 100644
--- a/sdcard/sdcard.c
+++ b/sdcard/sdcard.c
@@ -581,17 +581,50 @@
struct fuse_attr_out out;
char *path, buffer[PATH_BUFFER_SIZE];
int res = 0;
+ struct timespec times[2];
TRACE("SETATTR fh=%llx id=%llx valid=%x\n",
req->fh, hdr->nodeid, req->valid);
- /* XXX: incomplete implementation -- truncate only. chmod/chown
- * should NEVER be implemented. */
+ /* XXX: incomplete implementation on purpose. chmod/chown
+ * should NEVER be implemented.*/
path = node_get_path(node, buffer, 0);
if (req->valid & FATTR_SIZE)
res = truncate(path, req->size);
+ if (res)
+ goto getout;
+ /* Handle changing atime and mtime. If FATTR_ATIME_and FATTR_ATIME_NOW
+ * are both set, then set it to the current time. Else, set it to the
+ * time specified in the request. Same goes for mtime. Use utimensat(2)
+ * as it allows ATIME and MTIME to be changed independently, and has
+ * nanosecond resolution which fuse also has.
+ */
+ if (req->valid & (FATTR_ATIME | FATTR_MTIME)) {
+ times[0].tv_nsec = UTIME_OMIT;
+ times[1].tv_nsec = UTIME_OMIT;
+ if (req->valid & FATTR_ATIME) {
+ if (req->valid & FATTR_ATIME_NOW) {
+ times[0].tv_nsec = UTIME_NOW;
+ } else {
+ times[0].tv_sec = req->atime;
+ times[0].tv_nsec = req->atimensec;
+ }
+ }
+ if (req->valid & FATTR_MTIME) {
+ if (req->valid & FATTR_MTIME_NOW) {
+ times[1].tv_nsec = UTIME_NOW;
+ } else {
+ times[1].tv_sec = req->mtime;
+ times[1].tv_nsec = req->mtimensec;
+ }
+ }
+ TRACE("Calling utimensat on %s with atime %ld, mtime=%ld\n", path, times[0].tv_sec, times[1].tv_sec);
+ res = utimensat(-1, path, times, 0);
+ }
+
+ getout:
memset(&out, 0, sizeof(out));
node_get_attr(node, &out.attr);
out.attr_valid = 10;