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Subject[PATCH 09/14] fs/9p: Mark inode attr invalid on setattr
Date
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
fs/9p/vfs_inode.c | 9 ++++++++-
fs/9p/vfs_inode_dotl.c | 8 +++++++-
2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 21d36c7..e3597eb 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -958,9 +958,10 @@ v9fs_vfs_getattr(struct vfsmount *mnt, struct dentry *dentry,
static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr)
{
int retval;
- struct v9fs_session_info *v9ses;
struct p9_fid *fid;
struct p9_wstat wstat;
+ struct v9fs_session_info *v9ses;
+

P9_DPRINTK(P9_DEBUG_VFS, "\n");
retval = -EPERM;
@@ -993,6 +994,12 @@ static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr)
retval = p9_client_wstat(fid, &wstat);
if (retval < 0)
return retval;
+ /*
+ * Changing some of the attribute can result in
+ * implicit update of other attributes. So mark
+ * all of them invalid
+ */
+ v9fs_invalidate_inode_attr(dentry->d_inode);

if ((iattr->ia_valid & ATTR_SIZE) &&
iattr->ia_size != i_size_read(dentry->d_inode)) {
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 1cab2b5..81b2b4f 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -436,9 +436,9 @@ v9fs_vfs_getattr_dotl(struct vfsmount *mnt, struct dentry *dentry,
int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr)
{
int retval;
- struct v9fs_session_info *v9ses;
struct p9_fid *fid;
struct p9_iattr_dotl p9attr;
+ struct v9fs_session_info *v9ses;

P9_DPRINTK(P9_DEBUG_VFS, "\n");

@@ -465,6 +465,12 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr)
retval = p9_client_setattr(fid, &p9attr);
if (retval < 0)
return retval;
+ /*
+ * Changing some of the attribute can result in
+ * implicit update of other attributes. So mark
+ * all of them invalid
+ */
+ v9fs_invalidate_inode_attr(dentry->d_inode);

if ((iattr->ia_valid & ATTR_SIZE) &&
iattr->ia_size != i_size_read(dentry->d_inode)) {
--
1.7.1


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