From: Al Viro <[email protected]>
To: Jens Axboe <[email protected]>
Cc: [email protected],
"Christian Brauner" <[email protected]>,
[email protected],
"Christian Göttsche" <[email protected]>,
"Arnd Bergmann" <[email protected]>
Subject: Re: [RFC][PATCHES v2] xattr stuff and interactions with io_uring
Date: Sun, 3 Nov 2024 06:51:56 +0000 [thread overview]
Message-ID: <20241103065156.GS1350452@ZenIV> (raw)
In-Reply-To: <[email protected]>
On Sat, Nov 02, 2024 at 08:43:31AM -0600, Jens Axboe wrote:
> On 11/2/24 1:28 AM, Al Viro wrote:
> > Changes since v1:
> > * moved on top of (and makes use of) getname_maybe_null() stuff
> > (first two commits here, form #base.getname-fixed)
> > * fixed a leak on io_uring side spotted by Jens
> > * putname(ERR_PTR(-E...)) is a no-op; allows to simplify things on
> > io_uring side.
> > * applied reviewed-by
> > * picked a generic_listxattr() cleanup from Colin Ian King
> >
> > Help with review and testing would be welcome; if nobody objects,
> > to #for-next it goes...
>
> Tested on arm64, fwiw I get these:
>
> <stdin>:1603:2: warning: #warning syscall setxattrat not implemented [-Wcpp]
> <stdin>:1606:2: warning: #warning syscall getxattrat not implemented [-Wcpp]
> <stdin>:1609:2: warning: #warning syscall listxattrat not implemented [-Wcpp]
> <stdin>:1612:2: warning: #warning syscall removexattrat not implemented [-Wcpp]
arch/arm64/tools/syscall*.tbl bits are missing (as well as
arch/sparc/kernel/syscall_32.tbl ones, but that's less of an
issue).
AFAICS, the following should be the right incremental. Objections, anyone?
diff --git a/arch/arm64/tools/syscall_32.tbl b/arch/arm64/tools/syscall_32.tbl
index 9a37930d4e26..69a829912a05 100644
--- a/arch/arm64/tools/syscall_32.tbl
+++ b/arch/arm64/tools/syscall_32.tbl
@@ -474,3 +474,7 @@
460 common lsm_set_self_attr sys_lsm_set_self_attr
461 common lsm_list_modules sys_lsm_list_modules
462 common mseal sys_mseal
+463 common setxattrat sys_setxattrat
+464 common getxattrat sys_getxattrat
+465 common listxattrat sys_listxattrat
+466 common removexattrat sys_removexattrat
diff --git a/scripts/syscall.tbl b/scripts/syscall.tbl
index 845e24eb372e..ebbdb3c42e9f 100644
--- a/scripts/syscall.tbl
+++ b/scripts/syscall.tbl
@@ -403,3 +403,7 @@
460 common lsm_set_self_attr sys_lsm_set_self_attr
461 common lsm_list_modules sys_lsm_list_modules
462 common mseal sys_mseal
+463 common setxattrat sys_setxattrat
+464 common getxattrat sys_getxattrat
+465 common listxattrat sys_listxattrat
+466 common removexattrat sys_removexattrat
next prev parent reply other threads:[~2024-11-03 6:51 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-02 1:10 [RFC][PATCHES] xattr stuff and interactions with io_uring Al Viro
2024-10-02 1:22 ` [PATCH 1/9] xattr: switch to CLASS(fd) Al Viro
2024-10-02 1:22 ` [PATCH 2/9] fs: rename struct xattr_ctx to kernel_xattr_ctx Al Viro
2024-10-02 5:56 ` Christian Brauner
2024-10-02 1:22 ` [PATCH 3/9] io_[gs]etxattr_prep(): just use getname() Al Viro
2024-10-02 5:57 ` Christian Brauner
2024-10-02 1:22 ` [PATCH 4/9] new helper: import_xattr_name() Al Viro
2024-10-02 5:57 ` Christian Brauner
2024-10-02 1:22 ` [PATCH 5/9] replace do_setxattr() with saner helpers Al Viro
2024-10-02 1:34 ` Jens Axboe
2024-10-02 2:08 ` Al Viro
2024-10-02 18:00 ` Jens Axboe
2024-10-02 21:19 ` Al Viro
2024-10-02 22:55 ` Jens Axboe
2024-10-06 5:28 ` Al Viro
2024-10-07 18:09 ` Jens Axboe
2024-10-07 18:20 ` Jens Axboe
2024-10-07 21:20 ` Al Viro
2024-10-07 22:29 ` Jens Axboe
2024-10-07 23:58 ` Al Viro
2024-10-08 1:58 ` Jens Axboe
2024-10-08 4:08 ` Al Viro
2024-10-02 1:22 ` [PATCH 6/9] replace do_getxattr() " Al Viro
2024-10-02 5:59 ` Christian Brauner
2024-10-02 1:22 ` [PATCH 7/9] new helpers: file_listxattr(), filename_listxattr() Al Viro
2024-10-02 6:00 ` Christian Brauner
2024-10-02 1:22 ` [PATCH 8/9] new helpers: file_removexattr(), filename_removexattr() Al Viro
2024-10-02 6:01 ` Christian Brauner
2024-10-02 1:22 ` [PATCH 9/9] fs/xattr: add *at family syscalls Al Viro
2024-10-02 6:03 ` Christian Brauner
2024-10-02 5:56 ` [PATCH 1/9] xattr: switch to CLASS(fd) Christian Brauner
2024-11-02 7:28 ` [RFC][PATCHES v2] xattr stuff and interactions with io_uring Al Viro
2024-11-02 7:31 ` [PATCH v2 01/13] teach filename_lookup() to treat NULL filename as "" Al Viro
2024-11-02 7:31 ` [PATCH v2 02/13] getname_maybe_null() - the third variant of pathname copy-in Al Viro
2024-11-02 7:31 ` [PATCH v2 03/13] io_uring: IORING_OP_F[GS]ETXATTR is fine with REQ_F_FIXED_FILE Al Viro
2024-11-02 7:31 ` [PATCH v2 04/13] io_[gs]etxattr_prep(): just use getname() Al Viro
2024-11-02 14:44 ` Jens Axboe
2024-11-02 7:31 ` [PATCH v2 05/13] xattr: switch to CLASS(fd) Al Viro
2024-11-02 7:31 ` [PATCH v2 06/13] fs: rename struct xattr_ctx to kernel_xattr_ctx Al Viro
2024-11-02 7:31 ` [PATCH v2 07/13] new helper: import_xattr_name() Al Viro
2024-11-02 7:31 ` [PATCH v2 08/13] replace do_setxattr() with saner helpers Al Viro
2024-11-02 7:31 ` [PATCH v2 09/13] replace do_getxattr() " Al Viro
2024-11-02 7:31 ` [PATCH v2 10/13] new helpers: file_listxattr(), filename_listxattr() Al Viro
2024-11-02 7:31 ` [PATCH v2 11/13] new helpers: file_removexattr(), filename_removexattr() Al Viro
2024-11-02 7:31 ` [PATCH v2 12/13] fs/xattr: add *at family syscalls Al Viro
2024-11-02 7:31 ` [PATCH v2 13/13] xattr: remove redundant check on variable err Al Viro
2024-11-02 14:43 ` [RFC][PATCHES v2] xattr stuff and interactions with io_uring Jens Axboe
2024-11-03 6:51 ` Al Viro [this message]
2024-11-03 13:57 ` Arnd Bergmann
2024-11-03 18:32 ` Al Viro
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