From: Hao Xu <[email protected]>
To: [email protected], Jens Axboe <[email protected]>
Cc: Dominique Martinet <[email protected]>,
Pavel Begunkov <[email protected]>,
Christian Brauner <[email protected]>,
Alexander Viro <[email protected]>,
Stefan Roesch <[email protected]>, Clay Harris <[email protected]>,
Dave Chinner <[email protected]>,
"Darrick J . Wong" <[email protected]>,
[email protected], [email protected],
[email protected], [email protected],
[email protected], [email protected],
[email protected], [email protected],
[email protected], [email protected],
[email protected], [email protected],
[email protected], [email protected],
[email protected], [email protected],
[email protected], [email protected],
[email protected], [email protected],
[email protected], [email protected],
Wanpeng Li <[email protected]>
Subject: [PATCH 09/11] vfs: error out -EAGAIN if atime needs to be updated
Date: Sun, 27 Aug 2023 21:28:33 +0800 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
From: Hao Xu <[email protected]>
To enforce nowait semantics, error out -EAGAIN if atime needs to be
updated.
Signed-off-by: Hao Xu <[email protected]>
---
fs/inode.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/inode.c b/fs/inode.c
index e83b836f2d09..32d81be65cf9 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -1970,6 +1970,9 @@ int touch_atime(const struct path *path, bool nowait)
if (!atime_needs_update(path, inode))
return 0;
+ if (nowait)
+ return -EAGAIN;
+
if (!sb_start_write_trylock(inode->i_sb))
return 0;
--
2.25.1
next prev parent reply other threads:[~2023-08-27 13:36 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-27 13:28 [PATCH v6 00/11] io_uring getdents Hao Xu
2023-08-27 13:28 ` [PATCH 01/11] fs: split off vfs_getdents function of getdents64 syscall Hao Xu
2023-08-27 13:28 ` [PATCH 02/11] xfs: add NOWAIT semantics for readdir Hao Xu
2023-08-27 20:44 ` Matthew Wilcox
2023-08-29 7:41 ` Hao Xu
2023-08-29 13:05 ` Matthew Wilcox
2023-09-04 1:02 ` Dave Chinner
2023-08-27 13:28 ` [PATCH 03/11] vfs: add nowait flag for struct dir_context Hao Xu
2023-08-27 13:28 ` [PATCH 04/11] vfs: add a vfs helper for io_uring file pos lock Hao Xu
2023-08-27 20:47 ` Matthew Wilcox
2023-08-27 13:28 ` [PATCH 05/11] vfs: add file_pos_unlock() for io_uring usage Hao Xu
2023-08-27 13:28 ` [PATCH 06/11] vfs: add a nowait parameter for touch_atime() Hao Xu
2023-08-27 13:28 ` [PATCH 07/11] vfs: add nowait parameter for file_accessed() Hao Xu
2023-08-27 21:32 ` Matthew Wilcox
2023-08-29 7:46 ` Hao Xu
2023-08-29 11:53 ` Matthew Wilcox
2023-08-30 6:11 ` Hao Xu
2023-09-03 22:30 ` Dave Chinner
2023-09-08 0:29 ` Pavel Begunkov
2023-09-10 22:01 ` Dave Chinner
2023-09-04 9:51 ` Christian Brauner
2023-08-27 13:28 ` [PATCH 08/11] vfs: move file_accessed() to the beginning of iterate_dir() Hao Xu
2023-08-27 13:28 ` Hao Xu [this message]
2023-08-27 20:51 ` [PATCH 09/11] vfs: error out -EAGAIN if atime needs to be updated Matthew Wilcox
2023-08-27 13:28 ` [PATCH 10/11] vfs: trylock inode->i_rwsem in iterate_dir() to support nowait Hao Xu
2023-09-04 9:37 ` Christian Brauner
2023-08-27 13:28 ` [PATCH 11/11] io_uring: add support for getdents Hao Xu
2023-09-04 9:57 ` [PATCH v6 00/11] io_uring getdents Christian Brauner
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