proc: unsigned file descriptors
Make struct proc_inode::fd unsigned. This allows better code generation on x86_64 (less sign extensions). Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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9b80a184ea
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3 changed files with 6 additions and 6 deletions
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@ -31,7 +31,7 @@ static int seq_show(struct seq_file *m, void *v)
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put_task_struct(task);
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if (files) {
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int fd = proc_fd(m->private);
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unsigned int fd = proc_fd(m->private);
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spin_lock(&files->file_lock);
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file = fcheck_files(files, fd);
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@ -86,7 +86,7 @@ static int tid_fd_revalidate(struct dentry *dentry, unsigned int flags)
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struct task_struct *task;
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const struct cred *cred;
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struct inode *inode;
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int fd;
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unsigned int fd;
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if (flags & LOOKUP_RCU)
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return -ECHILD;
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@ -158,7 +158,7 @@ static int proc_fd_link(struct dentry *dentry, struct path *path)
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}
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if (files) {
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int fd = proc_fd(d_inode(dentry));
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unsigned int fd = proc_fd(d_inode(dentry));
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struct file *fd_file;
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spin_lock(&files->file_lock);
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@ -253,7 +253,7 @@ static int proc_readfd_common(struct file *file, struct dir_context *ctx,
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continue;
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rcu_read_unlock();
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len = snprintf(name, sizeof(name), "%d", fd);
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len = snprintf(name, sizeof(name), "%u", fd);
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if (!proc_fill_cache(file, ctx,
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name, len, instantiate, p,
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(void *)(unsigned long)fd))
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@ -11,7 +11,7 @@ extern const struct inode_operations proc_fdinfo_inode_operations;
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extern int proc_fd_permission(struct inode *inode, int mask);
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static inline int proc_fd(struct inode *inode)
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static inline unsigned int proc_fd(struct inode *inode)
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{
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return PROC_I(inode)->fd;
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}
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@ -60,7 +60,7 @@ union proc_op {
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struct proc_inode {
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struct pid *pid;
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int fd;
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unsigned int fd;
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union proc_op op;
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struct proc_dir_entry *pde;
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struct ctl_table_header *sysctl;
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