From 771187d61bb3cbaf62c492ec3b8b789933f7691e Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Fri, 2 Sep 2016 00:42:02 +0300 Subject: 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 Signed-off-by: Al Viro --- fs/proc/fd.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'fs/proc/fd.c') diff --git a/fs/proc/fd.c b/fs/proc/fd.c index 01df23cc81f6..d21dafef3102 100644 --- a/fs/proc/fd.c +++ b/fs/proc/fd.c @@ -31,7 +31,7 @@ static int seq_show(struct seq_file *m, void *v) put_task_struct(task); if (files) { - int fd = proc_fd(m->private); + unsigned int fd = proc_fd(m->private); spin_lock(&files->file_lock); file = fcheck_files(files, fd); @@ -86,7 +86,7 @@ static int tid_fd_revalidate(struct dentry *dentry, unsigned int flags) struct task_struct *task; const struct cred *cred; struct inode *inode; - int fd; + unsigned int fd; if (flags & LOOKUP_RCU) return -ECHILD; @@ -158,7 +158,7 @@ static int proc_fd_link(struct dentry *dentry, struct path *path) } if (files) { - int fd = proc_fd(d_inode(dentry)); + unsigned int fd = proc_fd(d_inode(dentry)); struct file *fd_file; spin_lock(&files->file_lock); @@ -253,7 +253,7 @@ static int proc_readfd_common(struct file *file, struct dir_context *ctx, continue; rcu_read_unlock(); - len = snprintf(name, sizeof(name), "%d", fd); + len = snprintf(name, sizeof(name), "%u", fd); if (!proc_fill_cache(file, ctx, name, len, instantiate, p, (void *)(unsigned long)fd)) -- cgit v1.2.3