xiaoxiang781216 commented on code in PR #20858:
URL: https://github.com/apache/nuttx/pull/20858#discussion_r4336406471
##########
fs/rpmsgfs/rpmsgfs.c:
##########
@@ -241,18 +241,28 @@ static void rpmsgfs_mkpath(FAR struct rpmsgfs_mountpt_s
*fs,
strlcpy(path, fs->fs_root, pathlen);
strlcat(path, relpath, pathlen);
+ /* The remote root check can block and sleep while waiting for the remote
+ * endpoint to become ready. Do not hold the mount lock across that slow
+ * path; callers only need the lock for local state updates.
+ */
+
while (fs->timeout > 0)
{
struct stat buf;
int ret;
+ nxmutex_unlock(&fs->fs_lock);
Review Comment:
yes, but we can drop mutex, the lock isn't nesssary
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