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io_uring: add IORING_OP_FADVISE

This adds support for doing fadvise through io_uring. We assume that WILLNEED doesn't block, but that DONTNEED may block.

Jens Axboe committed 6 years ago

Commit 4840e411 parent ba042912 files · +55 −0Browse files

Showing the changes to include/uapi/linux (1 of 2 files). Show all

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include/uapi/linux/io_uring.h+2−0
@@ -36,6 +36,7 @@ struct io_uring_sqe { · 35 unmodified lines
36 __u32 cancel_flags;36 __u32 cancel_flags;
37 __u32 open_flags;37 __u32 open_flags;
38 __u32 statx_flags;38 __u32 statx_flags;
39 __u32 fadvise_advice;
39 };40 };
40 __u64 user_data; /* data to be passed back at completion time */41 __u64 user_data; /* data to be passed back at completion time */
41 union {42 union {
@@ -86,6 +87,7 @@ enum { · 44 unmodified lines
86 IORING_OP_STATX,87 IORING_OP_STATX,
87 IORING_OP_READ,88 IORING_OP_READ,
88 IORING_OP_WRITE,89 IORING_OP_WRITE,
90 IORING_OP_FADVISE,
89 91
90 /* this goes last, obviously */92 /* this goes last, obviously */
91 IORING_OP_LAST,93 IORING_OP_LAST,