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git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
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Tamir Duberstein
210b81578e
`XArray` is an efficient sparse array of pointers. Add a Rust abstraction for this type. This implementation bounds the element type on `ForeignOwnable` and requires explicit locking for all operations. Future work may leverage RCU to enable lockless operation. Inspired-by: Maíra Canal <[email protected]> Inspired-by: Asahi Lina <[email protected]> Reviewed-by: Andreas Hindborg <[email protected]> Reviewed-by: Alice Ryhl <[email protected]> Signed-off-by: Tamir Duberstein <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Andreas Hindborg <[email protected]>
29 lines
448 B
C
29 lines
448 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/xarray.h>
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int rust_helper_xa_err(void *entry)
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{
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return xa_err(entry);
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}
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void rust_helper_xa_init_flags(struct xarray *xa, gfp_t flags)
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{
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return xa_init_flags(xa, flags);
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}
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int rust_helper_xa_trylock(struct xarray *xa)
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{
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return xa_trylock(xa);
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}
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void rust_helper_xa_lock(struct xarray *xa)
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{
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return xa_lock(xa);
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}
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void rust_helper_xa_unlock(struct xarray *xa)
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{
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return xa_unlock(xa);
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}
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