qemu/0027-9pfs-add-xattrwalk_fid...

71 lines
2.5 KiB
Diff

From: Li Qiang <liqiang6-s@360.cn>
Date: Tue, 1 Nov 2016 12:00:40 +0100
Subject: [PATCH] 9pfs: add xattrwalk_fid field in V9fsXattr struct
Currently, 9pfs sets the 'copied_len' field in V9fsXattr
to -1 to tag xattr walk fid. As the 'copied_len' is also
used to account for copied bytes, this may make confusion. This patch
add a bool 'xattrwalk_fid' to tag the xattr walk fid.
Suggested-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Li Qiang <liqiang6-s@360.cn>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Greg Kurz <groug@kaod.org>
(cherry picked from commit dd28fbbc2edc0822965d402d927ce646326d6954)
---
hw/9pfs/9p.c | 7 ++++---
hw/9pfs/9p.h | 1 +
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c
index 54e5ed4..22690f2 100644
--- a/hw/9pfs/9p.c
+++ b/hw/9pfs/9p.c
@@ -308,7 +308,7 @@ static int v9fs_xattr_fid_clunk(V9fsPDU *pdu, V9fsFidState *fidp)
{
int retval = 0;
- if (fidp->fs.xattr.copied_len == -1) {
+ if (fidp->fs.xattr.xattrwalk_fid) {
/* getxattr/listxattr fid */
goto free_value;
}
@@ -3166,7 +3166,7 @@ static void v9fs_xattrwalk(void *opaque)
*/
xattr_fidp->fs.xattr.len = size;
xattr_fidp->fid_type = P9_FID_XATTR;
- xattr_fidp->fs.xattr.copied_len = -1;
+ xattr_fidp->fs.xattr.xattrwalk_fid = true;
if (size) {
xattr_fidp->fs.xattr.value = g_malloc(size);
err = v9fs_co_llistxattr(pdu, &xattr_fidp->path,
@@ -3199,7 +3199,7 @@ static void v9fs_xattrwalk(void *opaque)
*/
xattr_fidp->fs.xattr.len = size;
xattr_fidp->fid_type = P9_FID_XATTR;
- xattr_fidp->fs.xattr.copied_len = -1;
+ xattr_fidp->fs.xattr.xattrwalk_fid = true;
if (size) {
xattr_fidp->fs.xattr.value = g_malloc(size);
err = v9fs_co_lgetxattr(pdu, &xattr_fidp->path,
@@ -3255,6 +3255,7 @@ static void v9fs_xattrcreate(void *opaque)
xattr_fidp = file_fidp;
xattr_fidp->fid_type = P9_FID_XATTR;
xattr_fidp->fs.xattr.copied_len = 0;
+ xattr_fidp->fs.xattr.xattrwalk_fid = false;
xattr_fidp->fs.xattr.len = size;
xattr_fidp->fs.xattr.flags = flags;
v9fs_string_init(&xattr_fidp->fs.xattr.name);
diff --git a/hw/9pfs/9p.h b/hw/9pfs/9p.h
index 589b3a5..5750d67 100644
--- a/hw/9pfs/9p.h
+++ b/hw/9pfs/9p.h
@@ -167,6 +167,7 @@ typedef struct V9fsXattr
void *value;
V9fsString name;
int flags;
+ bool xattrwalk_fid;
} V9fsXattr;
/*