static inline int fh_want_write(struct svc_fh *fh)
{
- return mnt_want_write(fh->fh_export->ex_path.mnt);
+ int ret = mnt_want_write(fh->fh_export->ex_path.mnt);
+
+ if (!ret)
+ fh->fh_want_write = 1;
+ return ret;
}
static inline void fh_drop_write(struct svc_fh *fh)
{
- mnt_drop_write(fh->fh_export->ex_path.mnt);
+ if (fh->fh_want_write) {
+ fh->fh_want_write = 0;
+ mnt_drop_write(fh->fh_export->ex_path.mnt);
+ }
}
#endif /* LINUX_NFSD_VFS_H */