Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh...

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:
  9p: fix O_APPEND in legacy mode

diff --git a/fs/9p/v9fs_vfs.h b/fs/9p/v9fs_vfs.h
index fd01d90..57997fa 100644 (file)
--- a/fs/9p/v9fs_vfs.h
+++ b/fs/9p/v9fs_vfs.h
@@ -51,4 +51,4 @@ int v9fs_dir_release(struct inode *inode, struct file *filp);
 int v9fs_file_open(struct inode *inode, struct file *file);
 void v9fs_inode2stat(struct inode *inode, struct p9_stat *stat);
 void v9fs_dentry_release(struct dentry *);
-int v9fs_uflags2omode(int uflags);
+int v9fs_uflags2omode(int uflags, int extended);

diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 0d55aff..52944d2 100644 (file)
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -59,7 +59,7 @@ int v9fs_file_open(struct inode *inode, struct file *file)
 
        P9_DPRINTK(P9_DEBUG_VFS, "inode: %p file: %p \n", inode, file);
        v9ses = v9fs_inode2v9ses(inode);
-       omode = v9fs_uflags2omode(file->f_flags);
+       omode = v9fs_uflags2omode(file->f_flags, v9fs_extended(v9ses));
        fid = file->private_data;
        if (!fid) {
                fid = v9fs_fid_clone(file->f_path.dentry);
@@ -75,6 +75,8 @@ int v9fs_file_open(struct inode *inode, struct file *file)
                        inode->i_size = 0;
                        inode->i_blocks = 0;
                }
+               if ((file->f_flags & O_APPEND) && (!v9fs_extended(v9ses)))
+                       generic_file_llseek(file, 0, SEEK_END);
        }
 
        file->private_data = fid;

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 40fa807..c95295c 100644 (file)
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -132,10 +132,10 @@ static int p9mode2unixmode(struct v9fs_session_info *v9ses, int mode)
 /**
  * v9fs_uflags2omode- convert posix open flags to plan 9 mode bits
  * @uflags: flags to convert
- *
+ * @extended: if .u extensions are active
  */
 
-int v9fs_uflags2omode(int uflags)
+int v9fs_uflags2omode(int uflags, int extended)
 {
        int ret;
 
@@ -155,14 +155,16 @@ int v9fs_uflags2omode(int uflags)
                break;
        }
 
-       if (uflags & O_EXCL)
-               ret |= P9_OEXCL;
-
        if (uflags & O_TRUNC)
                ret |= P9_OTRUNC;
 
-       if (uflags & O_APPEND)
-               ret |= P9_OAPPEND;
+       if (extended) {
+               if (uflags & O_EXCL)
+                       ret |= P9_OEXCL;
+
+               if (uflags & O_APPEND)
+                       ret |= P9_OAPPEND;
+       }
 
        return ret;
 }
@@ -506,7 +508,7 @@ v9fs_vfs_create(struct inode *dir, struct dentry *dentry, int mode,
                flags = O_RDWR;
 
        fid = v9fs_create(v9ses, dir, dentry, NULL, perm,
-                                               v9fs_uflags2omode(flags));
+                               v9fs_uflags2omode(flags, v9fs_extended(v9ses)));
        if (IS_ERR(fid)) {
                err = PTR_ERR(fid);
                fid = NULL;