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| author | noah <goldstein.w.n@gmail.com> | 2021-01-26 15:23:28 -0500 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-02-01 10:02:43 -0700 |
| commit | 4e0377a1c5c633852f443a562ec55f7dfea65350 (patch) | |
| tree | da82d3cfe9c6b612d7e0bacc32408ca7c9816634 /fs | |
| parent | 67973b933e347c38478b591d6c9dc076bea7c9dc (diff) | |
| download | linux-stable-4e0377a1c5c633852f443a562ec55f7dfea65350.tar.gz linux-stable-4e0377a1c5c633852f443a562ec55f7dfea65350.tar.bz2 linux-stable-4e0377a1c5c633852f443a562ec55f7dfea65350.zip | |
io_uring: Add skip option for __io_sqe_files_update
This patch adds support for skipping a file descriptor when using
IORING_REGISTER_FILES_UPDATE. __io_sqe_files_update will skip fds set
to IORING_REGISTER_FILES_SKIP. IORING_REGISTER_FILES_SKIP is inturn
added as a #define in io_uring.h
Signed-off-by: noah <goldstein.w.n@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/io_uring.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 0ca99bd5c316..dd83a64ba709 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -8038,6 +8038,9 @@ static int __io_sqe_files_update(struct io_ring_ctx *ctx, err = -EFAULT; break; } + if (fd == IORING_REGISTER_FILES_SKIP) + continue; + i = array_index_nospec(up->offset + done, ctx->nr_user_files); table = &ctx->file_data->table[i >> IORING_FILE_TABLE_SHIFT]; index = i & IORING_FILE_TABLE_MASK; |