On Sun, Jun 16, 2019 at 09:38:09PM +0530, Chandan Rajendra wrote:
> -/**
> - * fscrypt_get_ctx() - Get a decryption context
> - * @gfp_flags: The gfp flag for memory allocation
> - *
> - * Allocate and initialize a decryption context.
> - *
> - * Return: A new decryption context on success; an ERR_PTR() otherwise.
> - */
> -struct fscrypt_ctx *fscrypt_get_ctx(gfp_t gfp_flags)
> -{
> - struct fscrypt_ctx *ctx;
> - unsigned long flags;
> -
> - /*
> - * First try getting a ctx from the free list so that we don't have to
> - * call into the slab allocator.
> - */
> - spin_lock_irqsave(&fscrypt_ctx_lock, flags);
> - ctx = list_first_entry_or_null(&fscrypt_free_ctxs,
> - struct fscrypt_ctx, free_list);
> - if (ctx)
> - list_del(&ctx->free_list);
> - spin_unlock_irqrestore(&fscrypt_ctx_lock, flags);
> - if (!ctx) {
> - ctx = kmem_cache_zalloc(fscrypt_ctx_cachep, gfp_flags);
> - if (!ctx)
> - return ERR_PTR(-ENOMEM);
> - ctx->flags |= FS_CTX_REQUIRES_FREE_ENCRYPT_FL;
> - } else {
> - ctx->flags &= ~FS_CTX_REQUIRES_FREE_ENCRYPT_FL;
> - }
> - return ctx;
> -}
> -EXPORT_SYMBOL(fscrypt_get_ctx);
FS_CTX_REQUIRES_FREE_ENCRYPT_FL is no longer used, so should be removed.
- Eric
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