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Diffstat (limited to 'fs/nfsd/vfs.c')
-rw-r--r--fs/nfsd/vfs.c37
1 files changed, 27 insertions, 10 deletions
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index f501a9b5c9df..965cffd17a0c 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -445,6 +445,16 @@ nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp, struct iattr *iap,
if (err)
goto out;
size_change = 1;
+
+ /*
+ * RFC5661, Section 18.30.4:
+ * Changing the size of a file with SETATTR indirectly
+ * changes the time_modify and change attributes.
+ *
+ * (and similar for the older RFCs)
+ */
+ if (iap->ia_size != i_size_read(inode))
+ iap->ia_valid |= ATTR_MTIME;
}
iap->ia_valid |= ATTR_CTIME;
@@ -649,6 +659,7 @@ nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, umode_t type,
{
struct path path;
struct inode *inode;
+ struct file *file;
int flags = O_RDONLY|O_LARGEFILE;
__be32 err;
int host_err = 0;
@@ -703,19 +714,25 @@ nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, umode_t type,
else
flags = O_WRONLY|O_LARGEFILE;
}
- *filp = dentry_open(&path, flags, current_cred());
- if (IS_ERR(*filp)) {
- host_err = PTR_ERR(*filp);
- *filp = NULL;
- } else {
- host_err = ima_file_check(*filp, may_flags);
- if (may_flags & NFSD_MAY_64BIT_COOKIE)
- (*filp)->f_mode |= FMODE_64BITHASH;
- else
- (*filp)->f_mode |= FMODE_32BITHASH;
+ file = dentry_open(&path, flags, current_cred());
+ if (IS_ERR(file)) {
+ host_err = PTR_ERR(file);
+ goto out_nfserr;
}
+ host_err = ima_file_check(file, may_flags);
+ if (host_err) {
+ nfsd_close(file);
+ goto out_nfserr;
+ }
+
+ if (may_flags & NFSD_MAY_64BIT_COOKIE)
+ file->f_mode |= FMODE_64BITHASH;
+ else
+ file->f_mode |= FMODE_32BITHASH;
+
+ *filp = file;
out_nfserr:
err = nfserrno(host_err);
out: