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authorFrank Sorenson <sorenson@redhat.com>2021-03-08 12:12:13 -0600
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-03-30 14:44:59 +0200
commit231fa327153fbadd815a4060ae55653728ef1b92 (patch)
tree40e03f234c5fb984a23900a59bfb004694222bab
parent1f02de287c3d9ec13bdbe62189e47264b6761623 (diff)
NFS: Correct size calculation for create reply length
[ Upstream commit ad3dbe35c833c2d4d0bbf3f04c785d32f931e7c9 ] CREATE requests return a post_op_fh3, rather than nfs_fh3. The post_op_fh3 includes an extra word to indicate 'handle_follows'. Without that additional word, create fails when full 64-byte filehandles are in use. Add NFS3_post_op_fh_sz, and correct the size calculation for NFS3_createres_sz. Signed-off-by: Frank Sorenson <sorenson@redhat.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--fs/nfs/nfs3xdr.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c
index 267126d32ec0..4a68837e92ea 100644
--- a/fs/nfs/nfs3xdr.c
+++ b/fs/nfs/nfs3xdr.c
@@ -33,6 +33,7 @@
*/
#define NFS3_fhandle_sz (1+16)
#define NFS3_fh_sz (NFS3_fhandle_sz) /* shorthand */
+#define NFS3_post_op_fh_sz (1+NFS3_fh_sz)
#define NFS3_sattr_sz (15)
#define NFS3_filename_sz (1+(NFS3_MAXNAMLEN>>2))
#define NFS3_path_sz (1+(NFS3_MAXPATHLEN>>2))
@@ -70,7 +71,7 @@
#define NFS3_readlinkres_sz (1+NFS3_post_op_attr_sz+1)
#define NFS3_readres_sz (1+NFS3_post_op_attr_sz+3)
#define NFS3_writeres_sz (1+NFS3_wcc_data_sz+4)
-#define NFS3_createres_sz (1+NFS3_fh_sz+NFS3_post_op_attr_sz+NFS3_wcc_data_sz)
+#define NFS3_createres_sz (1+NFS3_post_op_fh_sz+NFS3_post_op_attr_sz+NFS3_wcc_data_sz)
#define NFS3_renameres_sz (1+(2 * NFS3_wcc_data_sz))
#define NFS3_linkres_sz (1+NFS3_post_op_attr_sz+NFS3_wcc_data_sz)
#define NFS3_readdirres_sz (1+NFS3_post_op_attr_sz+2)