diff options
| author | Alexey Dobriyan <adobriyan@gmail.com> | 2016-09-02 00:42:02 +0300 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-09-28 01:47:38 +0300 |
| commit | 771187d61bb3cbaf62c492ec3b8b789933f7691e (patch) | |
| tree | fd7a5835ed056cdcee8994484abfdc58f1d35d44 /fs/proc/fd.c | |
| parent | 9b80a184eaadc117f27faad522008f31d571621b (diff) | |
| download | linux-771187d61bb3cbaf62c492ec3b8b789933f7691e.tar.xz | |
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>
Diffstat (limited to 'fs/proc/fd.c')
| -rw-r--r-- | fs/proc/fd.c | 8 |
1 files changed, 4 insertions, 4 deletions
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)) |