We don't need writeback fid if we are only doing O_RDONLY open
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
---
fs/9p/vfs_file.c | 3 ++-
fs/9p/vfs_inode.c | 3 ++-
fs/9p/vfs_inode_dotl.c | 3 ++-
3 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 3337d58..6997eb6 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -91,7 +91,8 @@ int v9fs_file_open(struct inode *inode, struct file *file)
file->private_data = fid;
mutex_lock(&v9inode->v_mutex);
- if (v9ses->cache && !v9inode->writeback_fid) {
+ if (v9ses->cache && !v9inode->writeback_fid &&
+ ((file->f_flags & O_ACCMODE) != O_RDONLY)) {
/*
* clone a fid and add it to writeback_fid
* we do it during open time instead of
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 0afbbb4..774a20a 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -652,7 +652,8 @@ v9fs_vfs_create(struct inode *dir, struct dentry *dentry, int mode,
if (nd && nd->flags & LOOKUP_OPEN) {
v9inode = V9FS_I(dentry->d_inode);
mutex_lock(&v9inode->v_mutex);
- if (v9ses->cache && !v9inode->writeback_fid) {
+ if (v9ses->cache && !v9inode->writeback_fid &&
+ ((flags & O_ACCMODE) != O_RDONLY)) {
/*
* clone a fid and add it to writeback_fid
* we do it during open time instead of
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 0a0ac30..8b616dc 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -246,7 +246,8 @@ v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, int omode,
v9inode = V9FS_I(inode);
mutex_lock(&v9inode->v_mutex);
- if (v9ses->cache && !v9inode->writeback_fid) {
+ if (v9ses->cache && !v9inode->writeback_fid &&
+ ((flags & O_ACCMODE) != O_RDONLY)) {
/*
* clone a fid and add it to writeback_fid
* we do it during open time instead of
--
1.7.1
--
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