diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2024-11-29 13:34:22 +0000 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-12-23 08:17:15 -0700 |
| commit | 943d0609d0571af092dc13456cbca70351e4d20e (patch) | |
| tree | a350ecfbb452bd9111fad45aa18d4601983d6538 /io_uring/memmap.c | |
| parent | 4bbf9020becbfd8fc2c3da790855b7042fad455b (diff) | |
io_uring: rename ->resize_lock
->resize_lock is used for resizing rings, but it's a good idea to reuse
it in other cases as well. Rename it into mmap_lock as it's protects
from races with mmap.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/68f705306f3ac4d2fb999eb80ea1615015ce9f7f.1732886067.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/memmap.c')
| -rw-r--r-- | io_uring/memmap.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/io_uring/memmap.c b/io_uring/memmap.c index 57de9bccbf50..a0d4151d11af 100644 --- a/io_uring/memmap.c +++ b/io_uring/memmap.c @@ -329,7 +329,7 @@ __cold int io_uring_mmap(struct file *file, struct vm_area_struct *vma) unsigned int npages; void *ptr; - guard(mutex)(&ctx->resize_lock); + guard(mutex)(&ctx->mmap_lock); ptr = io_uring_validate_mmap_request(file, vma->vm_pgoff, sz); if (IS_ERR(ptr)) @@ -365,7 +365,7 @@ unsigned long io_uring_get_unmapped_area(struct file *filp, unsigned long addr, if (addr) return -EINVAL; - guard(mutex)(&ctx->resize_lock); + guard(mutex)(&ctx->mmap_lock); ptr = io_uring_validate_mmap_request(filp, pgoff, len); if (IS_ERR(ptr)) @@ -415,7 +415,7 @@ unsigned long io_uring_get_unmapped_area(struct file *file, unsigned long addr, struct io_ring_ctx *ctx = file->private_data; void *ptr; - guard(mutex)(&ctx->resize_lock); + guard(mutex)(&ctx->mmap_lock); ptr = io_uring_validate_mmap_request(file, pgoff, len); if (IS_ERR(ptr)) |