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Commit 7add697a authored Mar 08, 2011 by Aneesh Kumar K.V Committed by Eric Van Hensbergen Mar 22, 2011

fs/9p: Attach writeback_fid on first open with WR flag

We don't need writeback fid if we are only doing O_RDONLY open

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>

parent ea59bb75

fs/9p/vfs_file.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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

fs/9p/vfs_inode.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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

fs/9p/vfs_inode_dotl.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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