diff options
Diffstat (limited to 'fs/nfsd/vfs.c')
| -rw-r--r-- | fs/nfsd/vfs.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index e85b463fac4a..a41302a00650 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -207,7 +207,12 @@ nfsd_lookup_dentry(struct svc_rqst *rqstp, struct svc_fh *fhp, goto out_nfserr; } } else { - fh_lock(fhp); + /* + * In the nfsd4_open() case, this may be held across + * subsequent open and delegation acquisition which may + * need to take the child's i_mutex: + */ + fh_lock_nested(fhp, I_MUTEX_PARENT); dentry = lookup_one_len(name, dparent, len); host_err = PTR_ERR(dentry); if (IS_ERR(dentry)) |