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| author | Zeng Chi <zengchi@kylinos.cn> | 2026-09-21 18:24:42 +0800 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2026-09-22 08:36:16 -0700 |
| commit | 119e9db233ad0f4cbd4cfb9f9385a7bca378b37d (patch) | |
| tree | 660d50d4139cb750fbde1ae3432452c20726c99d /io_uring/sync.h | |
| download | linux-stable-119e9db233ad0f4cbd4cfb9f9385a7bca378b37d.tar.gz linux-stable-119e9db233ad0f4cbd4cfb9f9385a7bca378b37d.zip | |
KVM: Don't pre-reserve xarray entries when storing empty/NULL attributesgrafted
Skip the xarray reservation loop when clearing all memory attributes, as
storing NULL only erases the entry and never needs to allocate, so no
reservation (and no cleanup of a failed one) is required in that case.
Suggested-by: Sean Christopherson <seanjc@google.com>
Cc: David Ballesteros <davimaba.v@proton.me>
Signed-off-by: Zeng Chi <zengchi@kylinos.cn>
Link: https://patch.msgid.link/20260921102442.1232375-1-zeng_chi911@163.com
[sean: split to separate patch]
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'io_uring/sync.h')
| -rw-r--r-- | io_uring/sync.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/io_uring/sync.h b/io_uring/sync.h new file mode 100644 index 000000000..e873c888d --- /dev/null +++ b/io_uring/sync.h @@ -0,0 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 + +int io_sfr_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); +int io_sync_file_range(struct io_kiocb *req, unsigned int issue_flags); + +int io_fsync_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); +int io_fsync(struct io_kiocb *req, unsigned int issue_flags); + +int io_fallocate(struct io_kiocb *req, unsigned int issue_flags); +int io_fallocate_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); |