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Merge tag 'pull-stable-struct_fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

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Pull 'struct fd' updates from Al Viro:
 "Just the 'struct fd' layout change, with conversion to accessor
  helpers"

* tag 'pull-stable-struct_fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  add struct fd constructors, get rid of __to_fd()
  struct fd: representation change
  introduce fd_file(), convert all accessors to it.
This commit is contained in:
Linus Torvalds
2024-09-23 09:35:36 -07:00
parent f8eb5bd9a8 de12c3391b
commit f8ffbc365f
83 changed files with 564 additions and 561 deletions
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kernel/events/core.c
+7 -7
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@@ -969,10 +969,10 @@ static inline int perf_cgroup_connect(int fd, struct perf_event *event,
struct fd f = fdget(fd);
int ret = 0;
if (!f.file)
if (!fd_file(f))
return -EBADF;
css = css_tryget_online_from_dir(f.file->f_path.dentry,
css = css_tryget_online_from_dir(fd_file(f)->f_path.dentry,
&perf_event_cgrp_subsys);
if (IS_ERR(css)) {
ret = PTR_ERR(css);
@@ -6001,10 +6001,10 @@ static const struct file_operations perf_fops;
static inline int perf_fget_light(int fd, struct fd *p)
{
struct fd f = fdget(fd);
if (!f.file)
if (!fd_file(f))
return -EBADF;
if (f.file->f_op != &perf_fops) {
if (fd_file(f)->f_op != &perf_fops) {
fdput(f);
return -EBADF;
}
@@ -6064,7 +6064,7 @@ static long _perf_ioctl(struct perf_event *event, unsigned int cmd, unsigned lon
ret = perf_fget_light(arg, &output);
if (ret)
return ret;
output_event = output.file->private_data;
output_event = fd_file(output)->private_data;
ret = perf_event_set_output(event, output_event);
fdput(output);
} else {
@@ -12665,7 +12665,7 @@ SYSCALL_DEFINE5(perf_event_open,
struct perf_event_attr attr;
struct perf_event_context *ctx;
struct file *event_file = NULL;
struct fd group = {NULL, 0};
struct fd group = EMPTY_FD;
struct task_struct *task = NULL;
struct pmu *pmu;
int event_fd;
@@ -12740,7 +12740,7 @@ SYSCALL_DEFINE5(perf_event_open,
err = perf_fget_light(group_fd, &group);
if (err)
goto err_fd;
group_leader = group.file->private_data;
group_leader = fd_file(group)->private_data;
if (flags & PERF_FLAG_FD_OUTPUT)
output_event = group_leader;
if (flags & PERF_FLAG_FD_NO_GROUP)