Re: linux-next: build failure after merge of the bpf-next tree

From: Stephen Rothwell
Date: Thu Sep 12 2024 - 23:49:05 EST

Hi all,

On Fri, 13 Sep 2024 13:45:04 +1000 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> After merging the bpf-next tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:

/home/sfr/next/next/fs/xattr.c: In function 'path_getxattrat':
/home/sfr/next/next/fs/xattr.c:832:23: error: 'class_fd_t' {aka 'struct fd'} has no member named 'file'
832 | if (!f.file)
| ^
/home/sfr/next/next/fs/xattr.c:834:29: error: 'class_fd_t' {aka 'struct fd'} has no member named 'file'
834 | audit_file(f.file);
| ^
/home/sfr/next/next/fs/xattr.c:835:49: error: 'class_fd_t' {aka 'struct fd'} has no member named 'file'
835 | return getxattr(file_mnt_idmap(f.file), file_dentry(f.file),
| ^
/home/sfr/next/next/fs/xattr.c:835:70: error: 'class_fd_t' {aka 'struct fd'} has no member named 'file'
835 | return getxattr(file_mnt_idmap(f.file), file_dentry(f.file),
| ^
/home/sfr/next/next/fs/xattr.c: In function 'path_listxattrat':
/home/sfr/next/next/fs/xattr.c:952:23: error: 'class_fd_t' {aka 'struct fd'} has no member named 'file'
952 | if (!f.file)
| ^
/home/sfr/next/next/fs/xattr.c:954:29: error: 'class_fd_t' {aka 'struct fd'} has no member named 'file'
954 | audit_file(f.file);
| ^
/home/sfr/next/next/fs/xattr.c:955:47: error: 'class_fd_t' {aka 'struct fd'} has no member named 'file'
955 | return listxattr(file_dentry(f.file), list, size);
| ^
/home/sfr/next/next/fs/xattr.c: In function 'do_fremovexattr':
/home/sfr/next/next/fs/xattr.c:1021:15: error: 'class_fd_t' {aka 'struct fd'} has no member named 'file'
1021 | if (!f.file)
| ^
/home/sfr/next/next/fs/xattr.c:1023:21: error: 'class_fd_t' {aka 'struct fd'} has no member named 'file'
1023 | audit_file(f.file);
| ^
/home/sfr/next/next/fs/xattr.c:1031:38: error: 'class_fd_t' {aka 'struct fd'} has no member named 'file'
1031 | error = mnt_want_write_file(f.file);
| ^
/home/sfr/next/next/fs/xattr.c:1033:53: error: 'class_fd_t' {aka 'struct fd'} has no member named 'file'
1033 | error = removexattr(file_mnt_idmap(f.file),
| ^
/home/sfr/next/next/fs/xattr.c:1034:38: error: 'class_fd_t' {aka 'struct fd'} has no member named 'file'
1034 | f.file->f_path.dentry, kname);
| ^
/home/sfr/next/next/fs/xattr.c:1035:38: error: 'class_fd_t' {aka 'struct fd'} has no member named 'file'
1035 | mnt_drop_write_file(f.file);
| ^

> Caused by commit
>
> 1da91ea87aef ("introduce fd_file(), convert all accessors to it.")
>
> interacting with commits
>
> 1a61c9d6ec1d ("xattr: handle AT_EMPTY_PATH when setting xattrs")
> 278397b2c592 ("xattr: handle AT_EMPTY_PATH when getting xattrs")
> 5560ab7ee32e ("xattr: handle AT_EMPTY_PATH when listing xattrs")
> 33fce6444e7d ("xattr: handle AT_EMPTY_PATH when removing xattrs")
>
> I have applied the following patch for today.
>
> From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Date: Fri, 13 Sep 2024 13:40:17 +1000
> Subject: [PATCH] fix up 2 for "introduce fd_file(), convert all accessors to it."
>
> interacting with commits
>
> 1a61c9d6ec1d ("xattr: handle AT_EMPTY_PATH when setting xattrs")
> 278397b2c592 ("xattr: handle AT_EMPTY_PATH when getting xattrs")
> 5560ab7ee32e ("xattr: handle AT_EMPTY_PATH when listing xattrs")
> 33fce6444e7d ("xattr: handle AT_EMPTY_PATH when removing xattrs")
>
> from the vfs-brauner tree.
>
> Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> ---
> fs/xattr.c | 32 ++++++++++++++++----------------
> 1 file changed, 16 insertions(+), 16 deletions(-)
>
> diff --git a/fs/xattr.c b/fs/xattr.c
> index fa992953fa78..f3559ed3279f 100644
> --- a/fs/xattr.c
> +++ b/fs/xattr.c
> @@ -645,7 +645,7 @@ static int do_fsetxattr(int fd, const char __user *name,
> int error;
>
> CLASS(fd, f)(fd);
> - if (!fd_file(f))
> + if (fd_empty(f))
> return -EBADF;
>
> audit_file(fd_file(f));
> @@ -829,10 +829,10 @@ static ssize_t path_getxattrat(int dfd, const char __user *pathname,
>
> if (at_flags & AT_EMPTY_PATH && vfs_empty_path(dfd, pathname)) {
> CLASS(fd, f)(dfd);
> - if (!f.file)
> + if (fd_empty(f))
> return -EBADF;
> - audit_file(f.file);
> - return getxattr(file_mnt_idmap(f.file), file_dentry(f.file),
> + audit_file(fd_file(f));
> + return getxattr(file_mnt_idmap(fd_file(f)), file_dentry(fd_file(f)),
> name, value, size);
> }
>
> @@ -895,7 +895,7 @@ SYSCALL_DEFINE4(fgetxattr, int, fd, const char __user *, name,
> struct fd f = fdget(fd);
> ssize_t error = -EBADF;
>
> - if (!fd_file(f))
> + if (fd_empty(f))
> return error;
> audit_file(fd_file(f));
> error = getxattr(file_mnt_idmap(fd_file(f)), fd_file(f)->f_path.dentry,
> @@ -949,10 +949,10 @@ static ssize_t path_listxattrat(int dfd, const char __user *pathname,
>
> if (at_flags & AT_EMPTY_PATH && vfs_empty_path(dfd, pathname)) {
> CLASS(fd, f)(dfd);
> - if (!f.file)
> + if (fd_empty(f))
> return -EBADF;
> - audit_file(f.file);
> - return listxattr(file_dentry(f.file), list, size);
> + audit_file(fd_file(f));
> + return listxattr(file_dentry(fd_file(f)), list, size);
> }
>
> lookup_flags = (at_flags & AT_SYMLINK_NOFOLLOW) ? 0 : LOOKUP_FOLLOW;
> @@ -993,7 +993,7 @@ SYSCALL_DEFINE3(flistxattr, int, fd, char __user *, list, size_t, size)
> struct fd f = fdget(fd);
> ssize_t error = -EBADF;
>
> - if (!fd_file(f))
> + if (fd_empty(f))
> return error;
> audit_file(fd_file(f));
> error = listxattr(fd_file(f)->f_path.dentry, list, size);
> @@ -1018,9 +1018,9 @@ static int do_fremovexattr(int fd, const char __user *name)
> int error = -EBADF;
>
> CLASS(fd, f)(fd);
> - if (!f.file)
> + if (fd_empty(f))
> return error;
> - audit_file(f.file);
> + audit_file(fd_file(f));
>
> error = strncpy_from_user(kname, name, sizeof(kname));
> if (error == 0 || error == sizeof(kname))
> @@ -1028,11 +1028,11 @@ static int do_fremovexattr(int fd, const char __user *name)
> if (error < 0)
> return error;
>
> - error = mnt_want_write_file(f.file);
> + error = mnt_want_write_file(fd_file(f));
> if (!error) {
> - error = removexattr(file_mnt_idmap(f.file),
> - f.file->f_path.dentry, kname);
> - mnt_drop_write_file(f.file);
> + error = removexattr(file_mnt_idmap(fd_file(f)),
> + fd_file(f)->f_path.dentry, kname);
> + mnt_drop_write_file(fd_file(f));
> }
> return error;
> }
> @@ -1099,7 +1099,7 @@ SYSCALL_DEFINE2(fremovexattr, int, fd, const char __user *, name)
> char kname[XATTR_NAME_MAX + 1];
> int error = -EBADF;
>
> - if (!fd_file(f))
> + if (fd_empty(f))
> return error;
> audit_file(fd_file(f));
>
> --
> 2.45.2

--
Cheers,
Stephen Rothwell

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