3.16.44-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Christoph Hellwig <hch@xxxxxx> commit 758e99fefe1d9230111296956335cd35995c0eaf upstream. Simplify exit paths, size_change use. Signed-off-by: Christoph Hellwig <hch@xxxxxx> Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx> [bwh: Backported to 3.16: adjust context] Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx> --- fs/nfsd/vfs.c | 29 ++++++++++++----------------- 1 file changed, 12 insertions(+), 17 deletions(-) --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -407,7 +407,7 @@ nfsd_setattr(struct svc_rqst *rqstp, str __be32 err; int host_err; bool get_write_count; - int size_change = 0; + bool size_change = (iap->ia_valid & ATTR_SIZE); if (iap->ia_valid & (ATTR_ATIME | ATTR_MTIME | ATTR_SIZE)) accmode |= NFSD_MAY_WRITE|NFSD_MAY_OWNER_OVERRIDE; @@ -420,11 +420,11 @@ nfsd_setattr(struct svc_rqst *rqstp, str /* Get inode */ err = fh_verify(rqstp, fhp, ftype, accmode); if (err) - goto out; + return err; if (get_write_count) { host_err = fh_want_write(fhp); if (host_err) - return nfserrno(host_err); + goto out; } dentry = fhp->fh_dentry; @@ -435,19 +435,21 @@ nfsd_setattr(struct svc_rqst *rqstp, str iap->ia_valid &= ~ATTR_MODE; if (!iap->ia_valid) - goto out; + return 0; nfsd_sanitize_attrs(dentry, iap); + if (check_guard && guardtime != inode->i_ctime.tv_sec) + return nfserr_notsync; + /* * The size case is special, it changes the file in addition to the * attributes. */ - if (iap->ia_valid & ATTR_SIZE) { + if (size_change) { err = nfsd_get_write_access(rqstp, fhp, iap); if (err) - goto out; - size_change = 1; + return err; /* * RFC5661, Section 18.30.4: @@ -462,23 +464,16 @@ nfsd_setattr(struct svc_rqst *rqstp, str iap->ia_valid |= ATTR_CTIME; - if (check_guard && guardtime != inode->i_ctime.tv_sec) { - err = nfserr_notsync; - goto out_put_write_access; - } - fh_lock(fhp); host_err = notify_change(dentry, iap, NULL); fh_unlock(fhp); - err = nfserrno(host_err); -out_put_write_access: if (size_change) put_write_access(inode); - if (!err) - commit_metadata(fhp); out: - return err; + if (!host_err) + commit_metadata(fhp); + return nfserrno(host_err); } #if defined(CONFIG_NFSD_V4)