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Diffstat (limited to 'fs/9p')
-rw-r--r--fs/9p/acl.c2
-rw-r--r--fs/9p/vfs_addr.c6
-rw-r--r--fs/9p/vfs_file.c3
3 files changed, 8 insertions, 3 deletions
diff --git a/fs/9p/acl.c b/fs/9p/acl.c
index 082d227fa56b..6261719f6f2a 100644
--- a/fs/9p/acl.c
+++ b/fs/9p/acl.c
@@ -276,7 +276,7 @@ static int v9fs_xattr_set_acl(const struct xattr_handler *handler,
switch (handler->flags) {
case ACL_TYPE_ACCESS:
if (acl) {
- struct iattr iattr;
+ struct iattr iattr = { 0 };
struct posix_acl *old_acl = acl;
retval = posix_acl_update_mode(inode, &iattr.ia_mode, &acl);
diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c
index e1cbdfdb7c68..197069303510 100644
--- a/fs/9p/vfs_addr.c
+++ b/fs/9p/vfs_addr.c
@@ -50,8 +50,9 @@
* @page: structure to page
*
*/
-static int v9fs_fid_readpage(struct p9_fid *fid, struct page *page)
+static int v9fs_fid_readpage(void *data, struct page *page)
{
+ struct p9_fid *fid = data;
struct inode *inode = page->mapping->host;
struct bio_vec bvec = {.bv_page = page, .bv_len = PAGE_SIZE};
struct iov_iter to;
@@ -122,7 +123,8 @@ static int v9fs_vfs_readpages(struct file *filp, struct address_space *mapping,
if (ret == 0)
return ret;
- ret = read_cache_pages(mapping, pages, (void *)v9fs_vfs_readpage, filp);
+ ret = read_cache_pages(mapping, pages, v9fs_fid_readpage,
+ filp->private_data);
p9_debug(P9_DEBUG_VFS, " = %d\n", ret);
return ret;
}
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 89e69904976a..2651192f0166 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -528,6 +528,7 @@ v9fs_mmap_file_mmap(struct file *filp, struct vm_area_struct *vma)
v9inode = V9FS_I(inode);
mutex_lock(&v9inode->v_mutex);
if (!v9inode->writeback_fid &&
+ (vma->vm_flags & VM_SHARED) &&
(vma->vm_flags & VM_WRITE)) {
/*
* clone a fid and add it to writeback_fid
@@ -629,6 +630,8 @@ static void v9fs_mmap_vm_close(struct vm_area_struct *vma)
(vma->vm_end - vma->vm_start - 1),
};
+ if (!(vma->vm_flags & VM_SHARED))
+ return;
p9_debug(P9_DEBUG_VFS, "9p VMA close, %p, flushing", vma);