.TH "libnvme_set_test_sysfs_dir" 9 "libnvme_set_test_sysfs_dir" "September 2026" "libnvme API manual" LINUX .SH NAME libnvme_set_test_sysfs_dir \- Set libnvme's lookup sysfs path for testing .SH SYNOPSIS .B "int" libnvme_set_test_sysfs_dir .BI "(struct libnvme_global_ctx *ctx " "," .BI "const char *path " ");" .SH ARGUMENTS .IP "ctx" 12 \fIstruct libnvme_global_ctx\fP object .IP "path" 12 Directory with sysfs or NULL to restore defaults .SH "RETURN" 0 on success, -EINVAL if \fIctx\fP is NULL, -ENOMEM on allocation failure.